./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX --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 d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:57:42,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:57:42,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:57:42,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:57:42,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:57:42,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:57:42,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:57:42,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:57:42,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:57:42,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:57:42,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:57:42,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:57:42,784 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:57:42,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:57:42,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:57:42,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:57:42,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:57:42,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:57:42,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:57:42,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:57:42,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:57:42,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:57:42,793 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:57:42,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:57:42,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:57:42,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:57:42,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:57:42,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:57:42,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:57:42,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:57:42,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:57:42,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:57:42,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:57:42,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:57:42,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:57:42,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:57:42,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:57:42,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:57:42,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:57:42,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:57:42,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:57:42,803 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_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 [2024-11-08 17:57:43,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:57:43,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:57:43,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:57:43,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:57:43,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:57:43,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c Unable to find full path for "g++" [2024-11-08 17:57:45,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:57:45,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:57:45,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2024-11-08 17:57:45,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/data/d93f122ea/c7f5175a90324e9f849e08c6fc27c0e9/FLAG279b30c8d [2024-11-08 17:57:45,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/data/d93f122ea/c7f5175a90324e9f849e08c6fc27c0e9 [2024-11-08 17:57:45,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:57:45,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:57:45,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:57:45,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:57:45,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:57:45,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:57:45" (1/1) ... [2024-11-08 17:57:45,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533c05b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:45, skipping insertion in model container [2024-11-08 17:57:45,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:57:45" (1/1) ... [2024-11-08 17:57:45,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:57:45,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:57:45,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:57:45,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:57:46,011 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:57:46,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46 WrapperNode [2024-11-08 17:57:46,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:57:46,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:57:46,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:57:46,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:57:46,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,066 INFO L138 Inliner]: procedures = 25, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 301 [2024-11-08 17:57:46,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:57:46,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:57:46,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:57:46,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:57:46,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:57:46,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:57:46,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:57:46,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:57:46,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (1/1) ... [2024-11-08 17:57:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:57:46,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:46,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:57:46,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:57:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:57:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:57:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:57:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:57:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:57:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 17:57:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 17:57:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:57:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:57:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 17:57:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 17:57:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:57:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:57:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:57:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:57:46,215 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:57:46,342 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:57:46,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:57:46,940 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:57:46,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:57:47,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:57:47,421 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:57:47,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:47 BoogieIcfgContainer [2024-11-08 17:57:47,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:57:47,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:57:47,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:57:47,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:57:47,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:57:45" (1/3) ... [2024-11-08 17:57:47,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f142e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:47, skipping insertion in model container [2024-11-08 17:57:47,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:46" (2/3) ... [2024-11-08 17:57:47,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f142e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:47, skipping insertion in model container [2024-11-08 17:57:47,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:47" (3/3) ... [2024-11-08 17:57:47,436 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-11-08 17:57:47,457 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:57:47,458 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-08 17:57:47,458 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:57:47,584 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 17:57:47,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 257 transitions, 535 flow [2024-11-08 17:57:47,780 INFO L124 PetriNetUnfolderBase]: 9/254 cut-off events. [2024-11-08 17:57:47,781 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 17:57:47,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 254 events. 9/254 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 356 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 190. Up to 2 conditions per place. [2024-11-08 17:57:47,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 257 transitions, 535 flow [2024-11-08 17:57:47,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 239 places, 237 transitions, 492 flow [2024-11-08 17:57:47,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:57:47,819 INFO L333 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, 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;@405d27c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:57:47,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-11-08 17:57:47,824 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:57:47,824 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-08 17:57:47,825 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:57:47,825 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:47,825 INFO L204 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] [2024-11-08 17:57:47,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:47,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2107792158, now seen corresponding path program 1 times [2024-11-08 17:57:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:47,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076378232] [2024-11-08 17:57:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:47,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:48,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:48,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076378232] [2024-11-08 17:57:48,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076378232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:48,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:48,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:48,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640608071] [2024-11-08 17:57:48,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:48,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:48,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:48,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 257 [2024-11-08 17:57:48,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 237 transitions, 492 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) [2024-11-08 17:57:48,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:48,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 257 [2024-11-08 17:57:48,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:48,386 INFO L124 PetriNetUnfolderBase]: 97/512 cut-off events. [2024-11-08 17:57:48,387 INFO L125 PetriNetUnfolderBase]: For 74/94 co-relation queries the response was YES. [2024-11-08 17:57:48,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 512 events. 97/512 cut-off events. For 74/94 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2250 event pairs, 71 based on Foata normal form. 2/456 useless extension candidates. Maximal degree in co-relation 548. Up to 160 conditions per place. [2024-11-08 17:57:48,398 INFO L140 encePairwiseOnDemand]: 227/257 looper letters, 16 selfloop transitions, 2 changer transitions 2/209 dead transitions. [2024-11-08 17:57:48,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 209 transitions, 472 flow [2024-11-08 17:57:48,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2024-11-08 17:57:48,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8690012970168612 [2024-11-08 17:57:48,421 INFO L175 Difference]: Start difference. First operand has 239 places, 237 transitions, 492 flow. Second operand 3 states and 670 transitions. [2024-11-08 17:57:48,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 209 transitions, 472 flow [2024-11-08 17:57:48,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 209 transitions, 460 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-08 17:57:48,435 INFO L231 Difference]: Finished difference. Result has 211 places, 207 transitions, 424 flow [2024-11-08 17:57:48,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=211, PETRI_TRANSITIONS=207} [2024-11-08 17:57:48,442 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -28 predicate places. [2024-11-08 17:57:48,442 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 207 transitions, 424 flow [2024-11-08 17:57:48,443 INFO L472 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) [2024-11-08 17:57:48,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:48,443 INFO L204 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] [2024-11-08 17:57:48,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:57:48,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:48,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:48,446 INFO L85 PathProgramCache]: Analyzing trace with hash -859216447, now seen corresponding path program 1 times [2024-11-08 17:57:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:48,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63850199] [2024-11-08 17:57:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:48,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:48,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63850199] [2024-11-08 17:57:48,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63850199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:48,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:48,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:48,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088591424] [2024-11-08 17:57:48,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:48,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:48,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:48,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:48,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2024-11-08 17:57:48,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 207 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:48,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:48,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2024-11-08 17:57:48,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:48,713 INFO L124 PetriNetUnfolderBase]: 44/730 cut-off events. [2024-11-08 17:57:48,713 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-08 17:57:48,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 730 events. 44/730 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3872 event pairs, 38 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 799. Up to 81 conditions per place. [2024-11-08 17:57:48,722 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 14 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-08 17:57:48,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 206 transitions, 454 flow [2024-11-08 17:57:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-08 17:57:48,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8391699092088197 [2024-11-08 17:57:48,726 INFO L175 Difference]: Start difference. First operand has 211 places, 207 transitions, 424 flow. Second operand 3 states and 647 transitions. [2024-11-08 17:57:48,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 206 transitions, 454 flow [2024-11-08 17:57:48,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 206 transitions, 450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:48,732 INFO L231 Difference]: Finished difference. Result has 208 places, 206 transitions, 422 flow [2024-11-08 17:57:48,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=208, PETRI_TRANSITIONS=206} [2024-11-08 17:57:48,736 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -31 predicate places. [2024-11-08 17:57:48,737 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 206 transitions, 422 flow [2024-11-08 17:57:48,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:48,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:48,738 INFO L204 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] [2024-11-08 17:57:48,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:57:48,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:48,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:48,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1852056200, now seen corresponding path program 1 times [2024-11-08 17:57:48,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:48,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004023534] [2024-11-08 17:57:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:48,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004023534] [2024-11-08 17:57:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004023534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:48,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:48,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:48,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260883960] [2024-11-08 17:57:48,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:48,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:48,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:48,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:48,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 257 [2024-11-08 17:57:48,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 206 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:48,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:48,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 257 [2024-11-08 17:57:48,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:48,996 INFO L124 PetriNetUnfolderBase]: 44/729 cut-off events. [2024-11-08 17:57:48,997 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-08 17:57:48,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 729 events. 44/729 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3862 event pairs, 38 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 792. Up to 82 conditions per place. [2024-11-08 17:57:49,002 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 15 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-11-08 17:57:49,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 205 transitions, 454 flow [2024-11-08 17:57:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2024-11-08 17:57:49,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8365758754863813 [2024-11-08 17:57:49,004 INFO L175 Difference]: Start difference. First operand has 208 places, 206 transitions, 422 flow. Second operand 3 states and 645 transitions. [2024-11-08 17:57:49,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 205 transitions, 454 flow [2024-11-08 17:57:49,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 205 transitions, 450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:49,009 INFO L231 Difference]: Finished difference. Result has 207 places, 205 transitions, 420 flow [2024-11-08 17:57:49,010 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=207, PETRI_TRANSITIONS=205} [2024-11-08 17:57:49,011 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -32 predicate places. [2024-11-08 17:57:49,011 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 205 transitions, 420 flow [2024-11-08 17:57:49,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,012 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:49,012 INFO L204 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] [2024-11-08 17:57:49,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:57:49,013 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:49,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:49,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1226650551, now seen corresponding path program 1 times [2024-11-08 17:57:49,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:49,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571017196] [2024-11-08 17:57:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:49,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:49,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571017196] [2024-11-08 17:57:49,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571017196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:49,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:49,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955598873] [2024-11-08 17:57:49,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:49,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:49,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:49,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:49,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:49,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 257 [2024-11-08 17:57:49,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 205 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:49,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 257 [2024-11-08 17:57:49,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:49,298 INFO L124 PetriNetUnfolderBase]: 80/766 cut-off events. [2024-11-08 17:57:49,298 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-08 17:57:49,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 766 events. 80/766 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4278 event pairs, 74 based on Foata normal form. 0/658 useless extension candidates. Maximal degree in co-relation 883. Up to 144 conditions per place. [2024-11-08 17:57:49,305 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 17 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-11-08 17:57:49,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 204 transitions, 456 flow [2024-11-08 17:57:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-11-08 17:57:49,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8313878080415046 [2024-11-08 17:57:49,308 INFO L175 Difference]: Start difference. First operand has 207 places, 205 transitions, 420 flow. Second operand 3 states and 641 transitions. [2024-11-08 17:57:49,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 204 transitions, 456 flow [2024-11-08 17:57:49,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 204 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:49,313 INFO L231 Difference]: Finished difference. Result has 206 places, 204 transitions, 418 flow [2024-11-08 17:57:49,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=206, PETRI_TRANSITIONS=204} [2024-11-08 17:57:49,315 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -33 predicate places. [2024-11-08 17:57:49,315 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 204 transitions, 418 flow [2024-11-08 17:57:49,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,316 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:49,317 INFO L204 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] [2024-11-08 17:57:49,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:57:49,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:49,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:49,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1286409441, now seen corresponding path program 1 times [2024-11-08 17:57:49,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:49,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953142911] [2024-11-08 17:57:49,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:49,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953142911] [2024-11-08 17:57:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953142911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:49,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:49,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395966989] [2024-11-08 17:57:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:49,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:49,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 257 [2024-11-08 17:57:49,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 204 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:49,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 257 [2024-11-08 17:57:49,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:49,588 INFO L124 PetriNetUnfolderBase]: 116/779 cut-off events. [2024-11-08 17:57:49,588 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-08 17:57:49,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 779 events. 116/779 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4362 event pairs, 110 based on Foata normal form. 0/696 useless extension candidates. Maximal degree in co-relation 947. Up to 203 conditions per place. [2024-11-08 17:57:49,594 INFO L140 encePairwiseOnDemand]: 253/257 looper letters, 17 selfloop transitions, 1 changer transitions 0/201 dead transitions. [2024-11-08 17:57:49,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 201 transitions, 448 flow [2024-11-08 17:57:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-08 17:57:49,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8326848249027238 [2024-11-08 17:57:49,597 INFO L175 Difference]: Start difference. First operand has 206 places, 204 transitions, 418 flow. Second operand 3 states and 642 transitions. [2024-11-08 17:57:49,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 201 transitions, 448 flow [2024-11-08 17:57:49,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 201 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:49,603 INFO L231 Difference]: Finished difference. Result has 203 places, 201 transitions, 410 flow [2024-11-08 17:57:49,603 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=203, PETRI_TRANSITIONS=201} [2024-11-08 17:57:49,604 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -36 predicate places. [2024-11-08 17:57:49,605 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 201 transitions, 410 flow [2024-11-08 17:57:49,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,606 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:49,606 INFO L204 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] [2024-11-08 17:57:49,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:57:49,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:49,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:49,607 INFO L85 PathProgramCache]: Analyzing trace with hash -447609964, now seen corresponding path program 1 times [2024-11-08 17:57:49,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:49,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900155607] [2024-11-08 17:57:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:49,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:49,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900155607] [2024-11-08 17:57:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900155607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:49,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:49,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:49,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491830453] [2024-11-08 17:57:49,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:49,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:49,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:49,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2024-11-08 17:57:49,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 201 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:49,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2024-11-08 17:57:49,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:49,817 INFO L124 PetriNetUnfolderBase]: 44/702 cut-off events. [2024-11-08 17:57:49,817 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-08 17:57:49,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 702 events. 44/702 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3662 event pairs, 38 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 747. Up to 81 conditions per place. [2024-11-08 17:57:49,823 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 14 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-11-08 17:57:49,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 200 transitions, 440 flow [2024-11-08 17:57:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-08 17:57:49,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8391699092088197 [2024-11-08 17:57:49,826 INFO L175 Difference]: Start difference. First operand has 203 places, 201 transitions, 410 flow. Second operand 3 states and 647 transitions. [2024-11-08 17:57:49,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 200 transitions, 440 flow [2024-11-08 17:57:49,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 200 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:57:49,831 INFO L231 Difference]: Finished difference. Result has 203 places, 200 transitions, 411 flow [2024-11-08 17:57:49,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=203, PETRI_TRANSITIONS=200} [2024-11-08 17:57:49,832 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -36 predicate places. [2024-11-08 17:57:49,832 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 200 transitions, 411 flow [2024-11-08 17:57:49,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:49,833 INFO L204 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] [2024-11-08 17:57:49,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:57:49,834 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:49,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:49,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1125785796, now seen corresponding path program 1 times [2024-11-08 17:57:49,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:49,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765262361] [2024-11-08 17:57:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:49,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:49,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765262361] [2024-11-08 17:57:49,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765262361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:49,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:49,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:49,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244664502] [2024-11-08 17:57:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:49,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:49,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:49,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2024-11-08 17:57:49,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:49,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:49,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2024-11-08 17:57:49,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:50,021 INFO L124 PetriNetUnfolderBase]: 44/701 cut-off events. [2024-11-08 17:57:50,021 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-08 17:57:50,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 701 events. 44/701 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3661 event pairs, 38 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 746. Up to 79 conditions per place. [2024-11-08 17:57:50,025 INFO L140 encePairwiseOnDemand]: 255/257 looper letters, 13 selfloop transitions, 1 changer transitions 0/199 dead transitions. [2024-11-08 17:57:50,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 199 transitions, 437 flow [2024-11-08 17:57:50,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2024-11-08 17:57:50,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8482490272373541 [2024-11-08 17:57:50,028 INFO L175 Difference]: Start difference. First operand has 203 places, 200 transitions, 411 flow. Second operand 3 states and 654 transitions. [2024-11-08 17:57:50,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 199 transitions, 437 flow [2024-11-08 17:57:50,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 199 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:50,032 INFO L231 Difference]: Finished difference. Result has 202 places, 199 transitions, 407 flow [2024-11-08 17:57:50,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=202, PETRI_TRANSITIONS=199} [2024-11-08 17:57:50,034 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -37 predicate places. [2024-11-08 17:57:50,034 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 199 transitions, 407 flow [2024-11-08 17:57:50,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:50,035 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:50,035 INFO L204 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] [2024-11-08 17:57:50,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:57:50,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:50,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:50,036 INFO L85 PathProgramCache]: Analyzing trace with hash -147315640, now seen corresponding path program 1 times [2024-11-08 17:57:50,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824972659] [2024-11-08 17:57:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:50,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:50,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824972659] [2024-11-08 17:57:50,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824972659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:50,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:50,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893071827] [2024-11-08 17:57:50,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:50,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:50,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:50,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:50,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 257 [2024-11-08 17:57:50,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 199 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) [2024-11-08 17:57:50,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:50,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 257 [2024-11-08 17:57:50,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:50,277 INFO L124 PetriNetUnfolderBase]: 80/738 cut-off events. [2024-11-08 17:57:50,277 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-08 17:57:50,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 738 events. 80/738 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3970 event pairs, 74 based on Foata normal form. 0/658 useless extension candidates. Maximal degree in co-relation 846. Up to 143 conditions per place. [2024-11-08 17:57:50,282 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 16 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-11-08 17:57:50,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 198 transitions, 441 flow [2024-11-08 17:57:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2024-11-08 17:57:50,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.833981841763943 [2024-11-08 17:57:50,285 INFO L175 Difference]: Start difference. First operand has 202 places, 199 transitions, 407 flow. Second operand 3 states and 643 transitions. [2024-11-08 17:57:50,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 198 transitions, 441 flow [2024-11-08 17:57:50,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 198 transitions, 440 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:57:50,289 INFO L231 Difference]: Finished difference. Result has 202 places, 198 transitions, 408 flow [2024-11-08 17:57:50,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=202, PETRI_TRANSITIONS=198} [2024-11-08 17:57:50,293 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -37 predicate places. [2024-11-08 17:57:50,293 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 198 transitions, 408 flow [2024-11-08 17:57:50,294 INFO L472 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) [2024-11-08 17:57:50,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:50,296 INFO L204 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] [2024-11-08 17:57:50,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:57:50,297 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:50,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1988401972, now seen corresponding path program 1 times [2024-11-08 17:57:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:50,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286411815] [2024-11-08 17:57:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:50,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:51,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286411815] [2024-11-08 17:57:51,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286411815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:51,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:51,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:57:51,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106104991] [2024-11-08 17:57:51,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:51,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:57:51,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:57:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:57:51,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 257 [2024-11-08 17:57:51,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 196.5) internal successors, (1179), 6 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:51,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 257 [2024-11-08 17:57:51,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:51,466 INFO L124 PetriNetUnfolderBase]: 188/851 cut-off events. [2024-11-08 17:57:51,466 INFO L125 PetriNetUnfolderBase]: For 40/41 co-relation queries the response was YES. [2024-11-08 17:57:51,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 851 events. 188/851 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5124 event pairs, 182 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 1156. Up to 334 conditions per place. [2024-11-08 17:57:51,472 INFO L140 encePairwiseOnDemand]: 251/257 looper letters, 27 selfloop transitions, 5 changer transitions 0/197 dead transitions. [2024-11-08 17:57:51,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 197 transitions, 470 flow [2024-11-08 17:57:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:57:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:57:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1203 transitions. [2024-11-08 17:57:51,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7801556420233463 [2024-11-08 17:57:51,476 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 408 flow. Second operand 6 states and 1203 transitions. [2024-11-08 17:57:51,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 197 transitions, 470 flow [2024-11-08 17:57:51,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 197 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:51,480 INFO L231 Difference]: Finished difference. Result has 204 places, 197 transitions, 412 flow [2024-11-08 17:57:51,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=204, PETRI_TRANSITIONS=197} [2024-11-08 17:57:51,481 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -35 predicate places. [2024-11-08 17:57:51,482 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 197 transitions, 412 flow [2024-11-08 17:57:51,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.5) internal successors, (1179), 6 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:51,483 INFO L204 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] [2024-11-08 17:57:51,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:57:51,483 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:51,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:51,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1371546518, now seen corresponding path program 1 times [2024-11-08 17:57:51,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:51,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945616685] [2024-11-08 17:57:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:51,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945616685] [2024-11-08 17:57:51,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945616685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:51,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:51,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:51,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182527207] [2024-11-08 17:57:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:51,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:51,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:51,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2024-11-08 17:57:51,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 197 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:51,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2024-11-08 17:57:51,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:51,687 INFO L124 PetriNetUnfolderBase]: 149/580 cut-off events. [2024-11-08 17:57:51,687 INFO L125 PetriNetUnfolderBase]: For 13/43 co-relation queries the response was YES. [2024-11-08 17:57:51,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 580 events. 149/580 cut-off events. For 13/43 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2718 event pairs, 44 based on Foata normal form. 1/547 useless extension candidates. Maximal degree in co-relation 844. Up to 236 conditions per place. [2024-11-08 17:57:51,691 INFO L140 encePairwiseOnDemand]: 253/257 looper letters, 19 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-11-08 17:57:51,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 200 transitions, 462 flow [2024-11-08 17:57:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2024-11-08 17:57:51,693 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8469520103761349 [2024-11-08 17:57:51,693 INFO L175 Difference]: Start difference. First operand has 204 places, 197 transitions, 412 flow. Second operand 3 states and 653 transitions. [2024-11-08 17:57:51,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 200 transitions, 462 flow [2024-11-08 17:57:51,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 200 transitions, 452 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:57:51,699 INFO L231 Difference]: Finished difference. Result has 200 places, 197 transitions, 412 flow [2024-11-08 17:57:51,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=200, PETRI_TRANSITIONS=197} [2024-11-08 17:57:51,700 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -39 predicate places. [2024-11-08 17:57:51,701 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 197 transitions, 412 flow [2024-11-08 17:57:51,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:51,702 INFO L204 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] [2024-11-08 17:57:51,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:57:51,702 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:51,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:51,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1693018443, now seen corresponding path program 1 times [2024-11-08 17:57:51,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:51,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863159115] [2024-11-08 17:57:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:51,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:51,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863159115] [2024-11-08 17:57:51,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863159115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:51,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:51,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:51,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523528150] [2024-11-08 17:57:51,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:51,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:51,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:51,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:51,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:51,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 257 [2024-11-08 17:57:51,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 197 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:51,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 257 [2024-11-08 17:57:51,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:51,950 INFO L124 PetriNetUnfolderBase]: 130/876 cut-off events. [2024-11-08 17:57:51,950 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-08 17:57:51,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 876 events. 130/876 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5236 event pairs, 38 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 1082. Up to 198 conditions per place. [2024-11-08 17:57:51,956 INFO L140 encePairwiseOnDemand]: 252/257 looper letters, 21 selfloop transitions, 3 changer transitions 0/203 dead transitions. [2024-11-08 17:57:51,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 203 transitions, 474 flow [2024-11-08 17:57:51,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 656 transitions. [2024-11-08 17:57:51,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8508430609597925 [2024-11-08 17:57:51,958 INFO L175 Difference]: Start difference. First operand has 200 places, 197 transitions, 412 flow. Second operand 3 states and 656 transitions. [2024-11-08 17:57:51,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 203 transitions, 474 flow [2024-11-08 17:57:51,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 203 transitions, 474 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:57:51,963 INFO L231 Difference]: Finished difference. Result has 201 places, 198 transitions, 429 flow [2024-11-08 17:57:51,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=429, PETRI_PLACES=201, PETRI_TRANSITIONS=198} [2024-11-08 17:57:51,964 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -38 predicate places. [2024-11-08 17:57:51,964 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 198 transitions, 429 flow [2024-11-08 17:57:51,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:51,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:51,965 INFO L204 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] [2024-11-08 17:57:51,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:57:51,968 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:51,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:51,969 INFO L85 PathProgramCache]: Analyzing trace with hash 241171675, now seen corresponding path program 1 times [2024-11-08 17:57:51,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:51,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994823128] [2024-11-08 17:57:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994823128] [2024-11-08 17:57:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994823128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:52,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:52,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:57:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8106785] [2024-11-08 17:57:52,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:52,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:52,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:52,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2024-11-08 17:57:52,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 198 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:52,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:52,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2024-11-08 17:57:52,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:52,251 INFO L124 PetriNetUnfolderBase]: 43/610 cut-off events. [2024-11-08 17:57:52,251 INFO L125 PetriNetUnfolderBase]: For 28/31 co-relation queries the response was YES. [2024-11-08 17:57:52,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 610 events. 43/610 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2736 event pairs, 16 based on Foata normal form. 7/574 useless extension candidates. Maximal degree in co-relation 707. Up to 60 conditions per place. [2024-11-08 17:57:52,255 INFO L140 encePairwiseOnDemand]: 253/257 looper letters, 18 selfloop transitions, 3 changer transitions 0/201 dead transitions. [2024-11-08 17:57:52,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 201 transitions, 476 flow [2024-11-08 17:57:52,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2024-11-08 17:57:52,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8573281452658884 [2024-11-08 17:57:52,257 INFO L175 Difference]: Start difference. First operand has 201 places, 198 transitions, 429 flow. Second operand 3 states and 661 transitions. [2024-11-08 17:57:52,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 201 transitions, 476 flow [2024-11-08 17:57:52,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 201 transitions, 476 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:57:52,262 INFO L231 Difference]: Finished difference. Result has 204 places, 197 transitions, 435 flow [2024-11-08 17:57:52,263 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=204, PETRI_TRANSITIONS=197} [2024-11-08 17:57:52,264 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -35 predicate places. [2024-11-08 17:57:52,264 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 197 transitions, 435 flow [2024-11-08 17:57:52,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:52,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:52,265 INFO L204 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] [2024-11-08 17:57:52,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:57:52,265 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:52,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:52,266 INFO L85 PathProgramCache]: Analyzing trace with hash -291074953, now seen corresponding path program 1 times [2024-11-08 17:57:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:52,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517509521] [2024-11-08 17:57:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:52,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:52,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517509521] [2024-11-08 17:57:52,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517509521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:52,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:52,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:57:52,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276849227] [2024-11-08 17:57:52,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:52,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:57:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:52,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:57:52,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:52,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2024-11-08 17:57:52,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 197 transitions, 435 flow. Second operand has 4 states, 4 states have (on average 215.25) internal successors, (861), 4 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:52,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:52,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2024-11-08 17:57:52,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:52,601 INFO L124 PetriNetUnfolderBase]: 32/368 cut-off events. [2024-11-08 17:57:52,601 INFO L125 PetriNetUnfolderBase]: For 50/53 co-relation queries the response was YES. [2024-11-08 17:57:52,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 368 events. 32/368 cut-off events. For 50/53 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 933 event pairs, 8 based on Foata normal form. 9/355 useless extension candidates. Maximal degree in co-relation 460. Up to 24 conditions per place. [2024-11-08 17:57:52,604 INFO L140 encePairwiseOnDemand]: 253/257 looper letters, 18 selfloop transitions, 5 changer transitions 0/203 dead transitions. [2024-11-08 17:57:52,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 203 transitions, 497 flow [2024-11-08 17:57:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:57:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 17:57:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 876 transitions. [2024-11-08 17:57:52,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8521400778210116 [2024-11-08 17:57:52,607 INFO L175 Difference]: Start difference. First operand has 204 places, 197 transitions, 435 flow. Second operand 4 states and 876 transitions. [2024-11-08 17:57:52,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 203 transitions, 497 flow [2024-11-08 17:57:52,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 203 transitions, 490 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:52,613 INFO L231 Difference]: Finished difference. Result has 206 places, 197 transitions, 444 flow [2024-11-08 17:57:52,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=444, PETRI_PLACES=206, PETRI_TRANSITIONS=197} [2024-11-08 17:57:52,614 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -33 predicate places. [2024-11-08 17:57:52,615 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 197 transitions, 444 flow [2024-11-08 17:57:52,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.25) internal successors, (861), 4 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:52,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:52,616 INFO L204 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] [2024-11-08 17:57:52,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:57:52,616 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:52,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1930823083, now seen corresponding path program 1 times [2024-11-08 17:57:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:52,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542169895] [2024-11-08 17:57:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:52,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:53,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:53,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542169895] [2024-11-08 17:57:53,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542169895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:53,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:53,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:57:53,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133966927] [2024-11-08 17:57:53,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:53,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:57:53,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:53,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:57:53,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:57:53,509 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 257 [2024-11-08 17:57:53,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 197 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:53,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:53,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 257 [2024-11-08 17:57:53,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:53,643 INFO L124 PetriNetUnfolderBase]: 43/386 cut-off events. [2024-11-08 17:57:53,643 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-11-08 17:57:53,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 386 events. 43/386 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1130 event pairs, 22 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 519. Up to 65 conditions per place. [2024-11-08 17:57:53,646 INFO L140 encePairwiseOnDemand]: 252/257 looper letters, 30 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2024-11-08 17:57:53,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 204 transitions, 534 flow [2024-11-08 17:57:53,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:57:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:57:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2024-11-08 17:57:53,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.811284046692607 [2024-11-08 17:57:53,650 INFO L175 Difference]: Start difference. First operand has 206 places, 197 transitions, 444 flow. Second operand 6 states and 1251 transitions. [2024-11-08 17:57:53,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 204 transitions, 534 flow [2024-11-08 17:57:53,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 522 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-08 17:57:53,657 INFO L231 Difference]: Finished difference. Result has 207 places, 196 transitions, 438 flow [2024-11-08 17:57:53,657 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=207, PETRI_TRANSITIONS=196} [2024-11-08 17:57:53,658 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -32 predicate places. [2024-11-08 17:57:53,659 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 196 transitions, 438 flow [2024-11-08 17:57:53,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:53,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:53,660 INFO L204 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] [2024-11-08 17:57:53,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:57:53,660 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:53,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:53,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2132605155, now seen corresponding path program 1 times [2024-11-08 17:57:53,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:53,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987326343] [2024-11-08 17:57:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:54,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:54,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987326343] [2024-11-08 17:57:54,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987326343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:54,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:54,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:57:54,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849943866] [2024-11-08 17:57:54,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:54,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:57:54,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:54,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:57:54,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:57:54,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 257 [2024-11-08 17:57:54,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 196 transitions, 438 flow. Second operand has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:54,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:54,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 257 [2024-11-08 17:57:54,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:54,711 INFO L124 PetriNetUnfolderBase]: 43/373 cut-off events. [2024-11-08 17:57:54,711 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-08 17:57:54,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 373 events. 43/373 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1076 event pairs, 22 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 492. Up to 65 conditions per place. [2024-11-08 17:57:54,713 INFO L140 encePairwiseOnDemand]: 252/257 looper letters, 30 selfloop transitions, 4 changer transitions 0/203 dead transitions. [2024-11-08 17:57:54,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 203 transitions, 528 flow [2024-11-08 17:57:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:57:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:57:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2024-11-08 17:57:54,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.811284046692607 [2024-11-08 17:57:54,717 INFO L175 Difference]: Start difference. First operand has 207 places, 196 transitions, 438 flow. Second operand 6 states and 1251 transitions. [2024-11-08 17:57:54,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 203 transitions, 528 flow [2024-11-08 17:57:54,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 203 transitions, 521 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 17:57:54,721 INFO L231 Difference]: Finished difference. Result has 207 places, 195 transitions, 437 flow [2024-11-08 17:57:54,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=437, PETRI_PLACES=207, PETRI_TRANSITIONS=195} [2024-11-08 17:57:54,722 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -32 predicate places. [2024-11-08 17:57:54,722 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 195 transitions, 437 flow [2024-11-08 17:57:54,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:54,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:54,723 INFO L204 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] [2024-11-08 17:57:54,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:57:54,724 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:54,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1179330790, now seen corresponding path program 1 times [2024-11-08 17:57:54,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:54,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028338336] [2024-11-08 17:57:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:54,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:54,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028338336] [2024-11-08 17:57:54,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028338336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:54,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:54,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:54,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556040707] [2024-11-08 17:57:54,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:54,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:54,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:54,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:54,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 257 [2024-11-08 17:57:54,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 195 transitions, 437 flow. Second operand has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:54,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:54,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 257 [2024-11-08 17:57:54,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:54,906 INFO L124 PetriNetUnfolderBase]: 41/362 cut-off events. [2024-11-08 17:57:54,906 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-08 17:57:54,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 362 events. 41/362 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1014 event pairs, 26 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 474. Up to 69 conditions per place. [2024-11-08 17:57:54,908 INFO L140 encePairwiseOnDemand]: 254/257 looper letters, 18 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2024-11-08 17:57:54,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 196 transitions, 481 flow [2024-11-08 17:57:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2024-11-08 17:57:54,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8456549935149157 [2024-11-08 17:57:54,911 INFO L175 Difference]: Start difference. First operand has 207 places, 195 transitions, 437 flow. Second operand 3 states and 652 transitions. [2024-11-08 17:57:54,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 196 transitions, 481 flow [2024-11-08 17:57:54,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 474 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 17:57:54,915 INFO L231 Difference]: Finished difference. Result has 204 places, 194 transitions, 432 flow [2024-11-08 17:57:54,915 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=204, PETRI_TRANSITIONS=194} [2024-11-08 17:57:54,916 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -35 predicate places. [2024-11-08 17:57:54,916 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 194 transitions, 432 flow [2024-11-08 17:57:54,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:54,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:57:54,917 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:54,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:57:54,917 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-08 17:57:54,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:54,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1655560127, now seen corresponding path program 1 times [2024-11-08 17:57:54,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:54,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084791953] [2024-11-08 17:57:54,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:54,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084791953] [2024-11-08 17:57:54,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084791953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:57:54,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883684650] [2024-11-08 17:57:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:54,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:54,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:55,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 257 [2024-11-08 17:57:55,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 194 transitions, 432 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) [2024-11-08 17:57:55,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:57:55,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 257 [2024-11-08 17:57:55,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:57:55,076 INFO L124 PetriNetUnfolderBase]: 35/348 cut-off events. [2024-11-08 17:57:55,076 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2024-11-08 17:57:55,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 348 events. 35/348 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 957 event pairs, 24 based on Foata normal form. 1/333 useless extension candidates. Maximal degree in co-relation 463. Up to 63 conditions per place. [2024-11-08 17:57:55,077 INFO L140 encePairwiseOnDemand]: 255/257 looper letters, 0 selfloop transitions, 0 changer transitions 193/193 dead transitions. [2024-11-08 17:57:55,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 193 transitions, 460 flow [2024-11-08 17:57:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:57:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2024-11-08 17:57:55,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8469520103761349 [2024-11-08 17:57:55,080 INFO L175 Difference]: Start difference. First operand has 204 places, 194 transitions, 432 flow. Second operand 3 states and 653 transitions. [2024-11-08 17:57:55,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 193 transitions, 460 flow [2024-11-08 17:57:55,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 193 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:57:55,083 INFO L231 Difference]: Finished difference. Result has 203 places, 0 transitions, 0 flow [2024-11-08 17:57:55,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=203, PETRI_TRANSITIONS=0} [2024-11-08 17:57:55,084 INFO L277 CegarLoopForPetriNet]: 239 programPoint places, -36 predicate places. [2024-11-08 17:57:55,084 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 0 transitions, 0 flow [2024-11-08 17:57:55,084 INFO L472 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) [2024-11-08 17:57:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (76 of 77 remaining) [2024-11-08 17:57:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 77 remaining) [2024-11-08 17:57:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 77 remaining) [2024-11-08 17:57:55,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (66 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (65 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (64 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 77 remaining) [2024-11-08 17:57:55,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (58 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (57 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (56 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (55 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (54 of 77 remaining) [2024-11-08 17:57:55,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (53 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (47 of 77 remaining) [2024-11-08 17:57:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (46 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (45 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 77 remaining) [2024-11-08 17:57:55,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 77 remaining) [2024-11-08 17:57:55,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 77 remaining) [2024-11-08 17:57:55,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (19 of 77 remaining) [2024-11-08 17:57:55,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (16 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (13 of 77 remaining) [2024-11-08 17:57:55,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 77 remaining) [2024-11-08 17:57:55,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 77 remaining) [2024-11-08 17:57:55,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 77 remaining) [2024-11-08 17:57:55,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 77 remaining) [2024-11-08 17:57:55,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 77 remaining) [2024-11-08 17:57:55,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 77 remaining) [2024-11-08 17:57:55,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 77 remaining) [2024-11-08 17:57:55,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:57:55,099 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:55,105 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:57:55,105 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:57:55,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:57:55 BasicIcfg [2024-11-08 17:57:55,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:57:55,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:57:55,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:57:55,111 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:57:55,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:47" (3/4) ... [2024-11-08 17:57:55,113 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:57:55,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 17:57:55,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 17:57:55,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 17:57:55,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-08 17:57:55,124 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:57:55,124 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:57:55,124 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:57:55,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:57:55,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:57:55,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:57:55,227 INFO L158 Benchmark]: Toolchain (without parser) took 9548.41ms. Allocated memory was 159.4MB in the beginning and 297.8MB in the end (delta: 138.4MB). Free memory was 119.4MB in the beginning and 164.8MB in the end (delta: -45.4MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,227 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:57:55,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.18ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 104.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,228 INFO L158 Benchmark]: Boogie Preprocessor took 53.21ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,228 INFO L158 Benchmark]: RCFGBuilder took 1300.98ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 99.5MB in the beginning and 137.1MB in the end (delta: -37.6MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,228 INFO L158 Benchmark]: TraceAbstraction took 7683.38ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 136.1MB in the beginning and 171.1MB in the end (delta: -35.0MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,229 INFO L158 Benchmark]: Witness Printer took 115.37ms. Allocated memory is still 297.8MB. Free memory was 171.1MB in the beginning and 164.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:57:55,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.18ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 104.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.21ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1300.98ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 99.5MB in the beginning and 137.1MB in the end (delta: -37.6MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7683.38ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 136.1MB in the beginning and 171.1MB in the end (delta: -35.0MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Witness Printer took 115.37ms. Allocated memory is still 297.8MB. Free memory was 171.1MB in the beginning and 164.8MB 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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 7 procedures, 346 locations, 77 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: 7.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 263 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1025 IncrementalHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 56 mSDtfsCounter, 1025 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=492occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1508 NumberOfCodeBlocks, 1508 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1491 ConstructedInterpolants, 0 QuantifiedInterpolants, 2108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:57:55,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34a5256-517a-4a33-a341-70071df7e112/bin/uautomizer-verify-jihMAELWvX/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