./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC --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 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:27:26,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:27:26,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 01:27:26,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:27:26,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:27:26,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:27:26,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:27:26,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:27:26,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:27:26,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:27:26,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:27:26,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:27:26,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:27:26,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:27:26,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:27:26,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:27:26,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:27:26,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:27:26,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:27:26,869 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:26,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:26,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:26,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:27:26,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:27:26,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:27:26,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:27:26,871 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC 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 -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-11-24 01:27:27,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:27:27,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:27:27,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:27:27,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:27:27,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:27:27,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-11-24 01:27:30,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/data/ba7a20d21/bf2fe8ccf74f4b41859d320806f831be/FLAGbaab62e40 [2024-11-24 01:27:30,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:27:30,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-11-24 01:27:30,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/data/ba7a20d21/bf2fe8ccf74f4b41859d320806f831be/FLAGbaab62e40 [2024-11-24 01:27:30,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/data/ba7a20d21/bf2fe8ccf74f4b41859d320806f831be [2024-11-24 01:27:30,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:27:30,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:27:30,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:30,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:27:31,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:27:31,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:30" (1/1) ... [2024-11-24 01:27:31,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508b877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31, skipping insertion in model container [2024-11-24 01:27:31,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:30" (1/1) ... [2024-11-24 01:27:31,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:27:31,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:31,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:27:31,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:31,391 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:27:31,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31 WrapperNode [2024-11-24 01:27:31,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:31,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:31,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:27:31,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:27:31,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,478 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 326 [2024-11-24 01:27:31,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:31,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:27:31,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:27:31,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:27:31,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:27:31,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:27:31,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:27:31,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:27:31,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (1/1) ... [2024-11-24 01:27:31,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:27:31,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:27:31,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:27:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 01:27:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 01:27:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 01:27:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:27:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:27:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:27:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 01:27:31,656 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:27:31,775 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:27:31,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:27:32,557 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:27:32,557 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:27:32,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:27:32,987 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:27:32,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:32 BoogieIcfgContainer [2024-11-24 01:27:32,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:27:32,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:27:32,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:27:33,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:27:33,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:27:30" (1/3) ... [2024-11-24 01:27:33,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad92a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:33, skipping insertion in model container [2024-11-24 01:27:33,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:31" (2/3) ... [2024-11-24 01:27:33,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad92a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:33, skipping insertion in model container [2024-11-24 01:27:33,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:32" (3/3) ... [2024-11-24 01:27:33,006 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2024-11-24 01:27:33,026 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:27:33,028 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-queue-add-2-nl.wvr.c that has 3 procedures, 271 locations, 1 initial locations, 3 loop locations, and 53 error locations. [2024-11-24 01:27:33,029 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:27:33,150 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-24 01:27:33,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 277 places, 282 transitions, 578 flow [2024-11-24 01:27:33,393 INFO L124 PetriNetUnfolderBase]: 12/280 cut-off events. [2024-11-24 01:27:33,396 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:27:33,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 280 events. 12/280 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 456 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 198. Up to 3 conditions per place. [2024-11-24 01:27:33,406 INFO L82 GeneralOperation]: Start removeDead. Operand has 277 places, 282 transitions, 578 flow [2024-11-24 01:27:33,414 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 260 transitions, 532 flow [2024-11-24 01:27:33,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:27:33,438 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;@41c64e25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:27:33,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2024-11-24 01:27:33,447 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:27:33,447 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-24 01:27:33,447 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:27:33,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:33,448 INFO L206 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] [2024-11-24 01:27:33,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:33,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:33,455 INFO L85 PathProgramCache]: Analyzing trace with hash 840315861, now seen corresponding path program 1 times [2024-11-24 01:27:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:33,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893960499] [2024-11-24 01:27:33,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:33,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:33,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893960499] [2024-11-24 01:27:33,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893960499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:33,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:33,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:33,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066154014] [2024-11-24 01:27:33,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:33,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:33,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:33,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:33,828 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 282 [2024-11-24 01:27:33,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 260 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:33,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:33,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 282 [2024-11-24 01:27:33,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:34,067 INFO L124 PetriNetUnfolderBase]: 25/388 cut-off events. [2024-11-24 01:27:34,068 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-11-24 01:27:34,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 388 events. 25/388 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1178 event pairs, 14 based on Foata normal form. 11/335 useless extension candidates. Maximal degree in co-relation 286. Up to 48 conditions per place. [2024-11-24 01:27:34,073 INFO L140 encePairwiseOnDemand]: 246/282 looper letters, 13 selfloop transitions, 2 changer transitions 3/226 dead transitions. [2024-11-24 01:27:34,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 226 transitions, 494 flow [2024-11-24 01:27:34,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-24 01:27:34,092 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8735224586288416 [2024-11-24 01:27:34,094 INFO L175 Difference]: Start difference. First operand has 257 places, 260 transitions, 532 flow. Second operand 3 states and 739 transitions. [2024-11-24 01:27:34,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 226 transitions, 494 flow [2024-11-24 01:27:34,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 486 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-24 01:27:34,108 INFO L231 Difference]: Finished difference. Result has 228 places, 223 transitions, 454 flow [2024-11-24 01:27:34,112 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=228, PETRI_TRANSITIONS=223} [2024-11-24 01:27:34,117 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -29 predicate places. [2024-11-24 01:27:34,117 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 223 transitions, 454 flow [2024-11-24 01:27:34,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:34,120 INFO L206 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] [2024-11-24 01:27:34,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:27:34,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:34,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:34,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1356199593, now seen corresponding path program 1 times [2024-11-24 01:27:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811059626] [2024-11-24 01:27:34,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:34,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:34,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811059626] [2024-11-24 01:27:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811059626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:34,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:34,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929332733] [2024-11-24 01:27:34,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:34,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:34,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:34,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:34,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:34,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 282 [2024-11-24 01:27:34,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 223 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:34,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 282 [2024-11-24 01:27:34,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:34,405 INFO L124 PetriNetUnfolderBase]: 12/306 cut-off events. [2024-11-24 01:27:34,406 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:27:34,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 306 events. 12/306 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 736 event pairs, 7 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 315. Up to 30 conditions per place. [2024-11-24 01:27:34,412 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 13 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-24 01:27:34,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 482 flow [2024-11-24 01:27:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2024-11-24 01:27:34,417 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.83451536643026 [2024-11-24 01:27:34,418 INFO L175 Difference]: Start difference. First operand has 228 places, 223 transitions, 454 flow. Second operand 3 states and 706 transitions. [2024-11-24 01:27:34,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 482 flow [2024-11-24 01:27:34,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:34,431 INFO L231 Difference]: Finished difference. Result has 224 places, 222 transitions, 452 flow [2024-11-24 01:27:34,434 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=224, PETRI_TRANSITIONS=222} [2024-11-24 01:27:34,435 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -33 predicate places. [2024-11-24 01:27:34,436 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 222 transitions, 452 flow [2024-11-24 01:27:34,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,436 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:34,436 INFO L206 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] [2024-11-24 01:27:34,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:27:34,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:34,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1322225211, now seen corresponding path program 1 times [2024-11-24 01:27:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:34,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896381832] [2024-11-24 01:27:34,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:34,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:34,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896381832] [2024-11-24 01:27:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896381832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:34,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606983500] [2024-11-24 01:27:34,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:34,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:34,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:34,561 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 282 [2024-11-24 01:27:34,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 222 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:34,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 282 [2024-11-24 01:27:34,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:34,675 INFO L124 PetriNetUnfolderBase]: 14/338 cut-off events. [2024-11-24 01:27:34,675 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-24 01:27:34,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 338 events. 14/338 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 747 event pairs, 5 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 335. Up to 27 conditions per place. [2024-11-24 01:27:34,678 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 11 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2024-11-24 01:27:34,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 476 flow [2024-11-24 01:27:34,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2024-11-24 01:27:34,684 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8392434988179669 [2024-11-24 01:27:34,685 INFO L175 Difference]: Start difference. First operand has 224 places, 222 transitions, 452 flow. Second operand 3 states and 710 transitions. [2024-11-24 01:27:34,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 476 flow [2024-11-24 01:27:34,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 221 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:34,698 INFO L231 Difference]: Finished difference. Result has 223 places, 221 transitions, 450 flow [2024-11-24 01:27:34,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=223, PETRI_TRANSITIONS=221} [2024-11-24 01:27:34,701 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -34 predicate places. [2024-11-24 01:27:34,702 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 221 transitions, 450 flow [2024-11-24 01:27:34,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:34,703 INFO L206 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] [2024-11-24 01:27:34,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:27:34,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:34,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:34,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2039067579, now seen corresponding path program 1 times [2024-11-24 01:27:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:34,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711786374] [2024-11-24 01:27:34,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:34,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:34,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711786374] [2024-11-24 01:27:34,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711786374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:34,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:34,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:34,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053966734] [2024-11-24 01:27:34,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:34,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:34,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:34,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:34,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:34,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 282 [2024-11-24 01:27:34,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:34,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 282 [2024-11-24 01:27:34,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:34,950 INFO L124 PetriNetUnfolderBase]: 14/337 cut-off events. [2024-11-24 01:27:34,950 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-24 01:27:34,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 337 events. 14/337 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 746 event pairs, 5 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 326. Up to 27 conditions per place. [2024-11-24 01:27:34,952 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 11 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2024-11-24 01:27:34,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 474 flow [2024-11-24 01:27:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2024-11-24 01:27:34,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8392434988179669 [2024-11-24 01:27:34,956 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 450 flow. Second operand 3 states and 710 transitions. [2024-11-24 01:27:34,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 474 flow [2024-11-24 01:27:34,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 220 transitions, 470 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:34,964 INFO L231 Difference]: Finished difference. Result has 222 places, 220 transitions, 448 flow [2024-11-24 01:27:34,964 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=222, PETRI_TRANSITIONS=220} [2024-11-24 01:27:34,965 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -35 predicate places. [2024-11-24 01:27:34,965 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 220 transitions, 448 flow [2024-11-24 01:27:34,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:34,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:34,966 INFO L206 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] [2024-11-24 01:27:34,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:27:34,966 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:34,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1880393675, now seen corresponding path program 1 times [2024-11-24 01:27:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:34,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904967393] [2024-11-24 01:27:34,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:35,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:35,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904967393] [2024-11-24 01:27:35,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904967393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:35,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:35,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:35,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519967041] [2024-11-24 01:27:35,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:35,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:35,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:35,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:35,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:35,099 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 282 [2024-11-24 01:27:35,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 220 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:35,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 282 [2024-11-24 01:27:35,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:35,217 INFO L124 PetriNetUnfolderBase]: 15/343 cut-off events. [2024-11-24 01:27:35,217 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-24 01:27:35,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 343 events. 15/343 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 779 event pairs, 2 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 324. Up to 16 conditions per place. [2024-11-24 01:27:35,221 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 12 selfloop transitions, 2 changer transitions 0/223 dead transitions. [2024-11-24 01:27:35,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 223 transitions, 483 flow [2024-11-24 01:27:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2024-11-24 01:27:35,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2024-11-24 01:27:35,225 INFO L175 Difference]: Start difference. First operand has 222 places, 220 transitions, 448 flow. Second operand 3 states and 723 transitions. [2024-11-24 01:27:35,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 223 transitions, 483 flow [2024-11-24 01:27:35,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 223 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:35,230 INFO L231 Difference]: Finished difference. Result has 222 places, 220 transitions, 452 flow [2024-11-24 01:27:35,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=222, PETRI_TRANSITIONS=220} [2024-11-24 01:27:35,232 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -35 predicate places. [2024-11-24 01:27:35,233 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 220 transitions, 452 flow [2024-11-24 01:27:35,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:35,234 INFO L206 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] [2024-11-24 01:27:35,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:27:35,235 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:35,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1107296249, now seen corresponding path program 1 times [2024-11-24 01:27:35,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:35,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799676462] [2024-11-24 01:27:35,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:35,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:35,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799676462] [2024-11-24 01:27:35,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799676462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:35,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:35,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:35,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405410142] [2024-11-24 01:27:35,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:35,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:35,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:35,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:35,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 282 [2024-11-24 01:27:35,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 220 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:35,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 282 [2024-11-24 01:27:35,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:35,450 INFO L124 PetriNetUnfolderBase]: 15/338 cut-off events. [2024-11-24 01:27:35,451 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-11-24 01:27:35,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 338 events. 15/338 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 761 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 183. Up to 29 conditions per place. [2024-11-24 01:27:35,455 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 11 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2024-11-24 01:27:35,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 219 transitions, 476 flow [2024-11-24 01:27:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-24 01:27:35,458 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2024-11-24 01:27:35,459 INFO L175 Difference]: Start difference. First operand has 222 places, 220 transitions, 452 flow. Second operand 3 states and 712 transitions. [2024-11-24 01:27:35,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 219 transitions, 476 flow [2024-11-24 01:27:35,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 219 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:27:35,464 INFO L231 Difference]: Finished difference. Result has 222 places, 219 transitions, 452 flow [2024-11-24 01:27:35,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=222, PETRI_TRANSITIONS=219} [2024-11-24 01:27:35,466 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -35 predicate places. [2024-11-24 01:27:35,467 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 219 transitions, 452 flow [2024-11-24 01:27:35,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,468 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:35,468 INFO L206 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] [2024-11-24 01:27:35,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:27:35,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:35,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2114621829, now seen corresponding path program 1 times [2024-11-24 01:27:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:35,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760284573] [2024-11-24 01:27:35,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:35,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:35,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:35,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760284573] [2024-11-24 01:27:35,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760284573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:35,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:35,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078141] [2024-11-24 01:27:35,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:35,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:35,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:35,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:35,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 282 [2024-11-24 01:27:35,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 219 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:35,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 282 [2024-11-24 01:27:35,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:35,648 INFO L124 PetriNetUnfolderBase]: 15/337 cut-off events. [2024-11-24 01:27:35,648 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-24 01:27:35,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 337 events. 15/337 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 758 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 319. Up to 27 conditions per place. [2024-11-24 01:27:35,650 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 10 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-11-24 01:27:35,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 218 transitions, 472 flow [2024-11-24 01:27:35,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2024-11-24 01:27:35,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8498817966903073 [2024-11-24 01:27:35,653 INFO L175 Difference]: Start difference. First operand has 222 places, 219 transitions, 452 flow. Second operand 3 states and 719 transitions. [2024-11-24 01:27:35,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 218 transitions, 472 flow [2024-11-24 01:27:35,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 218 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:35,659 INFO L231 Difference]: Finished difference. Result has 221 places, 218 transitions, 448 flow [2024-11-24 01:27:35,660 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=221, PETRI_TRANSITIONS=218} [2024-11-24 01:27:35,660 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -36 predicate places. [2024-11-24 01:27:35,660 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 218 transitions, 448 flow [2024-11-24 01:27:35,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,661 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:35,661 INFO L206 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] [2024-11-24 01:27:35,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:27:35,662 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:35,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:35,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1182718070, now seen corresponding path program 1 times [2024-11-24 01:27:35,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:35,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837926125] [2024-11-24 01:27:35,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:35,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:35,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837926125] [2024-11-24 01:27:35,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837926125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:35,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:35,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:35,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191795134] [2024-11-24 01:27:35,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:35,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:35,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:35,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:35,787 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 282 [2024-11-24 01:27:35,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 218 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:35,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 282 [2024-11-24 01:27:35,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:35,881 INFO L124 PetriNetUnfolderBase]: 15/336 cut-off events. [2024-11-24 01:27:35,881 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-24 01:27:35,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 336 events. 15/336 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 754 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 319. Up to 29 conditions per place. [2024-11-24 01:27:35,884 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 11 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-24 01:27:35,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 217 transitions, 472 flow [2024-11-24 01:27:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-24 01:27:35,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2024-11-24 01:27:35,888 INFO L175 Difference]: Start difference. First operand has 221 places, 218 transitions, 448 flow. Second operand 3 states and 712 transitions. [2024-11-24 01:27:35,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 217 transitions, 472 flow [2024-11-24 01:27:35,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 217 transitions, 471 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:27:35,894 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 449 flow [2024-11-24 01:27:35,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-24 01:27:35,896 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -36 predicate places. [2024-11-24 01:27:35,896 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 449 flow [2024-11-24 01:27:35,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:35,897 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:35,897 INFO L206 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] [2024-11-24 01:27:35,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:27:35,897 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:35,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:35,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1037253475, now seen corresponding path program 1 times [2024-11-24 01:27:35,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:35,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049284151] [2024-11-24 01:27:35,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:35,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:36,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:36,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049284151] [2024-11-24 01:27:36,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049284151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:36,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:36,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:27:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312477879] [2024-11-24 01:27:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:36,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:36,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:36,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:36,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:37,087 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 282 [2024-11-24 01:27:37,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 449 flow. Second operand has 6 states, 6 states have (on average 227.5) internal successors, (1365), 6 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:37,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 282 [2024-11-24 01:27:37,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:37,223 INFO L124 PetriNetUnfolderBase]: 15/335 cut-off events. [2024-11-24 01:27:37,223 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-24 01:27:37,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 335 events. 15/335 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 757 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 329. Up to 34 conditions per place. [2024-11-24 01:27:37,226 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 16 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2024-11-24 01:27:37,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 216 transitions, 489 flow [2024-11-24 01:27:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:27:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1377 transitions. [2024-11-24 01:27:37,230 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8138297872340425 [2024-11-24 01:27:37,231 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 449 flow. Second operand 6 states and 1377 transitions. [2024-11-24 01:27:37,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 216 transitions, 489 flow [2024-11-24 01:27:37,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 216 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:37,235 INFO L231 Difference]: Finished difference. Result has 223 places, 216 transitions, 453 flow [2024-11-24 01:27:37,236 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=453, PETRI_PLACES=223, PETRI_TRANSITIONS=216} [2024-11-24 01:27:37,237 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -34 predicate places. [2024-11-24 01:27:37,237 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 216 transitions, 453 flow [2024-11-24 01:27:37,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.5) internal successors, (1365), 6 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,238 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:37,238 INFO L206 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] [2024-11-24 01:27:37,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:27:37,238 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:37,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:37,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1070482315, now seen corresponding path program 1 times [2024-11-24 01:27:37,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:37,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918543740] [2024-11-24 01:27:37,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:37,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:37,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918543740] [2024-11-24 01:27:37,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918543740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:37,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:37,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:37,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161684413] [2024-11-24 01:27:37,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:37,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:37,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:37,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:37,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:37,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 282 [2024-11-24 01:27:37,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 216 transitions, 453 flow. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:37,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 282 [2024-11-24 01:27:37,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:37,441 INFO L124 PetriNetUnfolderBase]: 19/302 cut-off events. [2024-11-24 01:27:37,441 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-24 01:27:37,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 302 events. 19/302 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 739 event pairs, 9 based on Foata normal form. 1/261 useless extension candidates. Maximal degree in co-relation 351. Up to 38 conditions per place. [2024-11-24 01:27:37,444 INFO L140 encePairwiseOnDemand]: 278/282 looper letters, 12 selfloop transitions, 1 changer transitions 2/213 dead transitions. [2024-11-24 01:27:37,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 213 transitions, 475 flow [2024-11-24 01:27:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2024-11-24 01:27:37,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.83451536643026 [2024-11-24 01:27:37,449 INFO L175 Difference]: Start difference. First operand has 223 places, 216 transitions, 453 flow. Second operand 3 states and 706 transitions. [2024-11-24 01:27:37,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 213 transitions, 475 flow [2024-11-24 01:27:37,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 213 transitions, 465 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 01:27:37,457 INFO L231 Difference]: Finished difference. Result has 217 places, 211 transitions, 435 flow [2024-11-24 01:27:37,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=217, PETRI_TRANSITIONS=211} [2024-11-24 01:27:37,458 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -40 predicate places. [2024-11-24 01:27:37,458 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 211 transitions, 435 flow [2024-11-24 01:27:37,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:37,459 INFO L206 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] [2024-11-24 01:27:37,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:27:37,459 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:37,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:37,462 INFO L85 PathProgramCache]: Analyzing trace with hash 530262202, now seen corresponding path program 1 times [2024-11-24 01:27:37,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:37,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233320299] [2024-11-24 01:27:37,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:37,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:37,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:37,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233320299] [2024-11-24 01:27:37,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233320299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:37,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:37,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:37,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349067833] [2024-11-24 01:27:37,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:37,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:37,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:37,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:37,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:37,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 282 [2024-11-24 01:27:37,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 211 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:37,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 282 [2024-11-24 01:27:37,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:37,688 INFO L124 PetriNetUnfolderBase]: 33/342 cut-off events. [2024-11-24 01:27:37,688 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-11-24 01:27:37,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 342 events. 33/342 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 994 event pairs, 9 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 378. Up to 38 conditions per place. [2024-11-24 01:27:37,690 INFO L140 encePairwiseOnDemand]: 274/282 looper letters, 14 selfloop transitions, 5 changer transitions 0/211 dead transitions. [2024-11-24 01:27:37,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 211 transitions, 478 flow [2024-11-24 01:27:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-24 01:27:37,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8356973995271868 [2024-11-24 01:27:37,693 INFO L175 Difference]: Start difference. First operand has 217 places, 211 transitions, 435 flow. Second operand 3 states and 707 transitions. [2024-11-24 01:27:37,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 211 transitions, 478 flow [2024-11-24 01:27:37,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 211 transitions, 477 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:27:37,698 INFO L231 Difference]: Finished difference. Result has 213 places, 208 transitions, 438 flow [2024-11-24 01:27:37,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=213, PETRI_TRANSITIONS=208} [2024-11-24 01:27:37,699 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -44 predicate places. [2024-11-24 01:27:37,699 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 208 transitions, 438 flow [2024-11-24 01:27:37,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:37,700 INFO L206 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] [2024-11-24 01:27:37,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:27:37,700 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:37,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:37,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1519096579, now seen corresponding path program 1 times [2024-11-24 01:27:37,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:37,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820046010] [2024-11-24 01:27:37,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:37,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:37,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:37,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820046010] [2024-11-24 01:27:37,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820046010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:37,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:37,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:37,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027283767] [2024-11-24 01:27:37,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:37,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:37,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:37,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:37,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:37,834 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 282 [2024-11-24 01:27:37,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 208 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:37,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 282 [2024-11-24 01:27:37,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:37,958 INFO L124 PetriNetUnfolderBase]: 54/482 cut-off events. [2024-11-24 01:27:37,958 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-24 01:27:37,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 482 events. 54/482 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1863 event pairs, 10 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 572. Up to 87 conditions per place. [2024-11-24 01:27:37,964 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 19 selfloop transitions, 3 changer transitions 0/212 dead transitions. [2024-11-24 01:27:37,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 212 transitions, 493 flow [2024-11-24 01:27:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:37,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-24 01:27:37,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2024-11-24 01:27:37,969 INFO L175 Difference]: Start difference. First operand has 213 places, 208 transitions, 438 flow. Second operand 3 states and 714 transitions. [2024-11-24 01:27:37,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 212 transitions, 493 flow [2024-11-24 01:27:37,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 212 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:37,975 INFO L231 Difference]: Finished difference. Result has 211 places, 208 transitions, 443 flow [2024-11-24 01:27:37,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=211, PETRI_TRANSITIONS=208} [2024-11-24 01:27:37,977 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -46 predicate places. [2024-11-24 01:27:37,979 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 208 transitions, 443 flow [2024-11-24 01:27:37,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:37,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:37,980 INFO L206 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] [2024-11-24 01:27:37,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:27:37,980 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:37,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2004656296, now seen corresponding path program 1 times [2024-11-24 01:27:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761625434] [2024-11-24 01:27:37,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:37,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:38,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:38,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761625434] [2024-11-24 01:27:38,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761625434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:38,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:38,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:38,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924443931] [2024-11-24 01:27:38,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:38,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:38,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:38,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:38,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:38,097 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 282 [2024-11-24 01:27:38,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 208 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:38,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 282 [2024-11-24 01:27:38,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:38,242 INFO L124 PetriNetUnfolderBase]: 78/548 cut-off events. [2024-11-24 01:27:38,243 INFO L125 PetriNetUnfolderBase]: For 26/27 co-relation queries the response was YES. [2024-11-24 01:27:38,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 548 events. 78/548 cut-off events. For 26/27 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2367 event pairs, 26 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 669. Up to 106 conditions per place. [2024-11-24 01:27:38,247 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 16 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-24 01:27:38,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 210 transitions, 484 flow [2024-11-24 01:27:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-24 01:27:38,250 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2024-11-24 01:27:38,250 INFO L175 Difference]: Start difference. First operand has 211 places, 208 transitions, 443 flow. Second operand 3 states and 714 transitions. [2024-11-24 01:27:38,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 210 transitions, 484 flow [2024-11-24 01:27:38,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 210 transitions, 484 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 01:27:38,269 INFO L231 Difference]: Finished difference. Result has 212 places, 207 transitions, 445 flow [2024-11-24 01:27:38,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=445, PETRI_PLACES=212, PETRI_TRANSITIONS=207} [2024-11-24 01:27:38,271 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -45 predicate places. [2024-11-24 01:27:38,271 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 207 transitions, 445 flow [2024-11-24 01:27:38,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:38,272 INFO L206 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] [2024-11-24 01:27:38,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:27:38,272 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:38,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash -849908382, now seen corresponding path program 1 times [2024-11-24 01:27:38,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:38,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850202865] [2024-11-24 01:27:38,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:38,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:38,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850202865] [2024-11-24 01:27:38,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850202865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:38,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:38,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:38,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416044275] [2024-11-24 01:27:38,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:38,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:38,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:38,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:38,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:38,383 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 282 [2024-11-24 01:27:38,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 207 transitions, 445 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:38,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 282 [2024-11-24 01:27:38,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:38,500 INFO L124 PetriNetUnfolderBase]: 57/414 cut-off events. [2024-11-24 01:27:38,500 INFO L125 PetriNetUnfolderBase]: For 35/37 co-relation queries the response was YES. [2024-11-24 01:27:38,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 414 events. 57/414 cut-off events. For 35/37 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1401 event pairs, 23 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 529. Up to 81 conditions per place. [2024-11-24 01:27:38,503 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 17 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2024-11-24 01:27:38,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 209 transitions, 492 flow [2024-11-24 01:27:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2024-11-24 01:27:38,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2024-11-24 01:27:38,506 INFO L175 Difference]: Start difference. First operand has 212 places, 207 transitions, 445 flow. Second operand 3 states and 711 transitions. [2024-11-24 01:27:38,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 209 transitions, 492 flow [2024-11-24 01:27:38,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 209 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:38,512 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 443 flow [2024-11-24 01:27:38,513 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=209, 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=443, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2024-11-24 01:27:38,514 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -46 predicate places. [2024-11-24 01:27:38,514 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 443 flow [2024-11-24 01:27:38,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:38,516 INFO L206 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] [2024-11-24 01:27:38,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:27:38,516 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:38,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:38,517 INFO L85 PathProgramCache]: Analyzing trace with hash 962848695, now seen corresponding path program 1 times [2024-11-24 01:27:38,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:38,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174768229] [2024-11-24 01:27:38,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:38,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:38,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:38,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174768229] [2024-11-24 01:27:38,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174768229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:38,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:38,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:38,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614455881] [2024-11-24 01:27:38,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:38,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:38,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:38,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:38,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:38,643 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 282 [2024-11-24 01:27:38,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:38,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 282 [2024-11-24 01:27:38,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:38,770 INFO L124 PetriNetUnfolderBase]: 57/411 cut-off events. [2024-11-24 01:27:38,771 INFO L125 PetriNetUnfolderBase]: For 38/43 co-relation queries the response was YES. [2024-11-24 01:27:38,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 411 events. 57/411 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1392 event pairs, 23 based on Foata normal form. 1/370 useless extension candidates. Maximal degree in co-relation 528. Up to 81 conditions per place. [2024-11-24 01:27:38,773 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 17 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2024-11-24 01:27:38,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 208 transitions, 490 flow [2024-11-24 01:27:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2024-11-24 01:27:38,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2024-11-24 01:27:38,776 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 443 flow. Second operand 3 states and 711 transitions. [2024-11-24 01:27:38,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 208 transitions, 490 flow [2024-11-24 01:27:38,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 208 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:38,780 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 441 flow [2024-11-24 01:27:38,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=208, 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=441, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2024-11-24 01:27:38,782 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -47 predicate places. [2024-11-24 01:27:38,783 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 441 flow [2024-11-24 01:27:38,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,783 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:38,784 INFO L206 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] [2024-11-24 01:27:38,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:27:38,784 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:38,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:38,785 INFO L85 PathProgramCache]: Analyzing trace with hash -794150328, now seen corresponding path program 1 times [2024-11-24 01:27:38,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:38,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047439548] [2024-11-24 01:27:38,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:38,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:38,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:38,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047439548] [2024-11-24 01:27:38,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047439548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:38,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:38,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:38,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839278660] [2024-11-24 01:27:38,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:38,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:38,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:38,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:38,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:38,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 282 [2024-11-24 01:27:38,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 441 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:38,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:38,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 282 [2024-11-24 01:27:38,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:39,078 INFO L124 PetriNetUnfolderBase]: 60/510 cut-off events. [2024-11-24 01:27:39,078 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-24 01:27:39,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 510 events. 60/510 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2094 event pairs, 19 based on Foata normal form. 1/469 useless extension candidates. Maximal degree in co-relation 607. Up to 65 conditions per place. [2024-11-24 01:27:39,081 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 13 selfloop transitions, 2 changer transitions 4/206 dead transitions. [2024-11-24 01:27:39,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 206 transitions, 476 flow [2024-11-24 01:27:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-24 01:27:39,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427895981087471 [2024-11-24 01:27:39,085 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 441 flow. Second operand 3 states and 713 transitions. [2024-11-24 01:27:39,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 206 transitions, 476 flow [2024-11-24 01:27:39,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 206 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:39,092 INFO L231 Difference]: Finished difference. Result has 208 places, 199 transitions, 429 flow [2024-11-24 01:27:39,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=429, PETRI_PLACES=208, PETRI_TRANSITIONS=199} [2024-11-24 01:27:39,093 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -49 predicate places. [2024-11-24 01:27:39,093 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 199 transitions, 429 flow [2024-11-24 01:27:39,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:39,095 INFO L206 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] [2024-11-24 01:27:39,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:27:39,096 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:39,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1559045301, now seen corresponding path program 1 times [2024-11-24 01:27:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:39,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005163883] [2024-11-24 01:27:39,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:39,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:39,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:39,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005163883] [2024-11-24 01:27:39,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005163883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:39,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:39,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:39,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002012007] [2024-11-24 01:27:39,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:39,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:39,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:39,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:39,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:39,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 282 [2024-11-24 01:27:39,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 199 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:39,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 282 [2024-11-24 01:27:39,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:39,362 INFO L124 PetriNetUnfolderBase]: 76/515 cut-off events. [2024-11-24 01:27:39,362 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2024-11-24 01:27:39,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 515 events. 76/515 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2235 event pairs, 29 based on Foata normal form. 0/475 useless extension candidates. Maximal degree in co-relation 647. Up to 95 conditions per place. [2024-11-24 01:27:39,365 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 15 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2024-11-24 01:27:39,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 201 transitions, 468 flow [2024-11-24 01:27:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-24 01:27:39,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427895981087471 [2024-11-24 01:27:39,368 INFO L175 Difference]: Start difference. First operand has 208 places, 199 transitions, 429 flow. Second operand 3 states and 713 transitions. [2024-11-24 01:27:39,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 201 transitions, 468 flow [2024-11-24 01:27:39,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 201 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:39,373 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 427 flow [2024-11-24 01:27:39,374 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=201, 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=427, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2024-11-24 01:27:39,374 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -54 predicate places. [2024-11-24 01:27:39,375 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 427 flow [2024-11-24 01:27:39,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,375 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:39,375 INFO L206 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] [2024-11-24 01:27:39,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:27:39,376 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:39,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash 258929760, now seen corresponding path program 1 times [2024-11-24 01:27:39,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:39,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716466980] [2024-11-24 01:27:39,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:39,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:39,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:39,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716466980] [2024-11-24 01:27:39,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716466980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:39,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:39,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:39,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884866907] [2024-11-24 01:27:39,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:39,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:39,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:39,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:39,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:39,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 282 [2024-11-24 01:27:39,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:39,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 282 [2024-11-24 01:27:39,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:39,603 INFO L124 PetriNetUnfolderBase]: 51/420 cut-off events. [2024-11-24 01:27:39,603 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-24 01:27:39,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 420 events. 51/420 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1406 event pairs, 12 based on Foata normal form. 1/399 useless extension candidates. Maximal degree in co-relation 498. Up to 49 conditions per place. [2024-11-24 01:27:39,606 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 11 selfloop transitions, 2 changer transitions 4/199 dead transitions. [2024-11-24 01:27:39,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 199 transitions, 460 flow [2024-11-24 01:27:39,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2024-11-24 01:27:39,609 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8451536643026005 [2024-11-24 01:27:39,609 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 427 flow. Second operand 3 states and 715 transitions. [2024-11-24 01:27:39,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 199 transitions, 460 flow [2024-11-24 01:27:39,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 199 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:39,614 INFO L231 Difference]: Finished difference. Result has 201 places, 192 transitions, 414 flow [2024-11-24 01:27:39,614 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=201, PETRI_TRANSITIONS=192} [2024-11-24 01:27:39,615 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -56 predicate places. [2024-11-24 01:27:39,615 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 192 transitions, 414 flow [2024-11-24 01:27:39,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,615 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:39,616 INFO L206 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] [2024-11-24 01:27:39,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:27:39,617 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:39,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1843542779, now seen corresponding path program 1 times [2024-11-24 01:27:39,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:39,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462212286] [2024-11-24 01:27:39,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:39,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:39,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:39,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462212286] [2024-11-24 01:27:39,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462212286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:39,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:39,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:27:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57874911] [2024-11-24 01:27:39,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:39,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:39,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:39,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:39,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:39,994 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 282 [2024-11-24 01:27:39,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 192 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:39,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:39,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 282 [2024-11-24 01:27:39,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:40,082 INFO L124 PetriNetUnfolderBase]: 24/366 cut-off events. [2024-11-24 01:27:40,082 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-24 01:27:40,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 366 events. 24/366 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 983 event pairs, 3 based on Foata normal form. 1/348 useless extension candidates. Maximal degree in co-relation 393. Up to 33 conditions per place. [2024-11-24 01:27:40,085 INFO L140 encePairwiseOnDemand]: 278/282 looper letters, 11 selfloop transitions, 3 changer transitions 0/195 dead transitions. [2024-11-24 01:27:40,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 195 transitions, 449 flow [2024-11-24 01:27:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 722 transitions. [2024-11-24 01:27:40,088 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8534278959810875 [2024-11-24 01:27:40,088 INFO L175 Difference]: Start difference. First operand has 201 places, 192 transitions, 414 flow. Second operand 3 states and 722 transitions. [2024-11-24 01:27:40,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 195 transitions, 449 flow [2024-11-24 01:27:40,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 195 transitions, 445 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:27:40,092 INFO L231 Difference]: Finished difference. Result has 198 places, 194 transitions, 429 flow [2024-11-24 01:27:40,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=429, PETRI_PLACES=198, PETRI_TRANSITIONS=194} [2024-11-24 01:27:40,093 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -59 predicate places. [2024-11-24 01:27:40,093 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 194 transitions, 429 flow [2024-11-24 01:27:40,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:40,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:27:40,094 INFO L206 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] [2024-11-24 01:27:40,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:27:40,095 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-24 01:27:40,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:40,095 INFO L85 PathProgramCache]: Analyzing trace with hash -583928010, now seen corresponding path program 1 times [2024-11-24 01:27:40,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:40,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691302018] [2024-11-24 01:27:40,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:40,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:27:40,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:40,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691302018] [2024-11-24 01:27:40,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691302018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:40,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:40,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:40,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116302008] [2024-11-24 01:27:40,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:40,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:27:40,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:40,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:27:40,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:27:40,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 282 [2024-11-24 01:27:40,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 194 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:40,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:27:40,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 282 [2024-11-24 01:27:40,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:27:40,286 INFO L124 PetriNetUnfolderBase]: 45/389 cut-off events. [2024-11-24 01:27:40,287 INFO L125 PetriNetUnfolderBase]: For 54/60 co-relation queries the response was YES. [2024-11-24 01:27:40,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 389 events. 45/389 cut-off events. For 54/60 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1208 event pairs, 12 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 484. Up to 64 conditions per place. [2024-11-24 01:27:40,288 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 0 selfloop transitions, 0 changer transitions 196/196 dead transitions. [2024-11-24 01:27:40,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 196 transitions, 472 flow [2024-11-24 01:27:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:27:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:27:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-24 01:27:40,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2024-11-24 01:27:40,292 INFO L175 Difference]: Start difference. First operand has 198 places, 194 transitions, 429 flow. Second operand 3 states and 714 transitions. [2024-11-24 01:27:40,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 196 transitions, 472 flow [2024-11-24 01:27:40,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 196 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:27:40,295 INFO L231 Difference]: Finished difference. Result has 198 places, 0 transitions, 0 flow [2024-11-24 01:27:40,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=196, 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=198, PETRI_TRANSITIONS=0} [2024-11-24 01:27:40,296 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -59 predicate places. [2024-11-24 01:27:40,296 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 0 transitions, 0 flow [2024-11-24 01:27:40,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:27:40,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (93 of 94 remaining) [2024-11-24 01:27:40,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (92 of 94 remaining) [2024-11-24 01:27:40,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (91 of 94 remaining) [2024-11-24 01:27:40,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (90 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (89 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (88 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (87 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (86 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (85 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 94 remaining) [2024-11-24 01:27:40,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (76 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (75 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (74 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (73 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (72 of 94 remaining) [2024-11-24 01:27:40,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (71 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 94 remaining) [2024-11-24 01:27:40,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 94 remaining) [2024-11-24 01:27:40,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (57 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (56 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (55 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (54 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 94 remaining) [2024-11-24 01:27:40,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (49 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (48 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (46 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (44 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (43 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 94 remaining) [2024-11-24 01:27:40,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (36 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (35 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (33 of 94 remaining) [2024-11-24 01:27:40,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (32 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (31 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (30 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 94 remaining) [2024-11-24 01:27:40,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (19 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 94 remaining) [2024-11-24 01:27:40,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 94 remaining) [2024-11-24 01:27:40,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 94 remaining) [2024-11-24 01:27:40,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 94 remaining) [2024-11-24 01:27:40,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 94 remaining) [2024-11-24 01:27:40,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 94 remaining) [2024-11-24 01:27:40,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 94 remaining) [2024-11-24 01:27:40,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 94 remaining) [2024-11-24 01:27:40,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:27:40,312 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:40,319 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:27:40,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:27:40,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:27:40 BasicIcfg [2024-11-24 01:27:40,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:27:40,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:27:40,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:27:40,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:27:40,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:32" (3/4) ... [2024-11-24 01:27:40,330 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:27:40,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-24 01:27:40,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-24 01:27:40,340 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-24 01:27:40,340 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:27:40,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:27:40,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:27:40,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:27:40,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:27:40,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:27:40,459 INFO L158 Benchmark]: Toolchain (without parser) took 9465.79ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.6MB in the beginning and 51.2MB in the end (delta: 41.4MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2024-11-24 01:27:40,459 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:40,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:27:40,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.14ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:40,461 INFO L158 Benchmark]: Boogie Preprocessor took 67.39ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:40,463 INFO L158 Benchmark]: RCFGBuilder took 1440.68ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 52.8MB in the end (delta: 22.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-24 01:27:40,464 INFO L158 Benchmark]: TraceAbstraction took 7333.91ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 52.2MB in the beginning and 56.8MB in the end (delta: -4.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-24 01:27:40,468 INFO L158 Benchmark]: Witness Printer took 130.81ms. Allocated memory is still 176.2MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:40,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.14ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.39ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1440.68ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 52.8MB in the end (delta: 22.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7333.91ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 52.2MB in the beginning and 56.8MB in the end (delta: -4.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Witness Printer took 130.81ms. Allocated memory is still 176.2MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 372 locations, 94 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: 7.1s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 644 IncrementalHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 52 mSDtfsCounter, 644 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=0, InterpolantAutomatonStates: 63, 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, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1794 NumberOfCodeBlocks, 1794 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1774 ConstructedInterpolants, 0 QuantifiedInterpolants, 2053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:27:40,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7cc4ae-0f89-490a-b15b-ab0903c5f7bd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE