./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f91e7b856fd6bf43c568f48d1703ed519fbb708e5c1360b96f8534e6fa4ed35d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:59,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:59,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:01:59,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:59,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:59,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:59,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:59,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:59,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:59,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:59,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:59,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:59,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:59,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:59,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:59,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:59,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:01:59,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:59,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:59,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:59,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:59,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:59,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:59,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:59,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:59,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:59,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:59,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:59,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:59,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:59,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:59,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:59,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:01:59,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:01:59,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:59,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:59,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:59,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:59,254 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:59,255 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91e7b856fd6bf43c568f48d1703ed519fbb708e5c1360b96f8534e6fa4ed35d [2023-11-06 22:01:59,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:59,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:59,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:59,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:59,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:59,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-06 22:02:02,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:03,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:03,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-06 22:02:03,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/data/be5ff9fa4/2d865e27ca444f02874651394ebffa22/FLAGb5ea31c17 [2023-11-06 22:02:03,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/data/be5ff9fa4/2d865e27ca444f02874651394ebffa22 [2023-11-06 22:02:03,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:03,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:03,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:03,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:03,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:03,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691c6df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03, skipping insertion in model container [2023-11-06 22:02:03,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:03,598 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2023-11-06 22:02:03,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:03,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:03,664 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2023-11-06 22:02:03,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:03,685 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:03,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03 WrapperNode [2023-11-06 22:02:03,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:03,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:03,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:03,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:03,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,745 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 203 [2023-11-06 22:02:03,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:03,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:03,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:03,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:03,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:03,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:03,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:03,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:03,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (1/1) ... [2023-11-06 22:02:03,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:03,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:03,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:03,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:02:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:02:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:02:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:02:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:02:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:02:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:02:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:03,909 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:02:04,096 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:04,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:04,695 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:04,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:04,712 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-06 22:02:04,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:04 BoogieIcfgContainer [2023-11-06 22:02:04,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:04,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:04,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:04,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:04,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:03" (1/3) ... [2023-11-06 22:02:04,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7825645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:04, skipping insertion in model container [2023-11-06 22:02:04,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:03" (2/3) ... [2023-11-06 22:02:04,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7825645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:04, skipping insertion in model container [2023-11-06 22:02:04,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:04" (3/3) ... [2023-11-06 22:02:04,740 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2023-11-06 22:02:04,750 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:02:04,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:04,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:04,764 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:02:04,878 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:02:04,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 304 transitions, 629 flow [2023-11-06 22:02:05,072 INFO L124 PetriNetUnfolderBase]: 25/301 cut-off events. [2023-11-06 22:02:05,072 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:02:05,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 301 events. 25/301 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 194 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 242. Up to 2 conditions per place. [2023-11-06 22:02:05,079 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 304 transitions, 629 flow [2023-11-06 22:02:05,090 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 290 transitions, 598 flow [2023-11-06 22:02:05,094 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:02:05,109 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 290 transitions, 598 flow [2023-11-06 22:02:05,113 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 290 transitions, 598 flow [2023-11-06 22:02:05,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 290 transitions, 598 flow [2023-11-06 22:02:05,209 INFO L124 PetriNetUnfolderBase]: 25/290 cut-off events. [2023-11-06 22:02:05,209 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:02:05,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 290 events. 25/290 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 193 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 242. Up to 2 conditions per place. [2023-11-06 22:02:05,214 INFO L119 LiptonReduction]: Number of co-enabled transitions 2430 [2023-11-06 22:02:15,187 INFO L134 LiptonReduction]: Checked pairs total: 4344 [2023-11-06 22:02:15,188 INFO L136 LiptonReduction]: Total number of compositions: 318 [2023-11-06 22:02:15,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:15,216 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@130c2337, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:15,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 22:02:15,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:02:15,226 INFO L124 PetriNetUnfolderBase]: 7/35 cut-off events. [2023-11-06 22:02:15,226 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:02:15,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:15,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:15,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:15,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash 572802614, now seen corresponding path program 1 times [2023-11-06 22:02:15,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:15,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431704914] [2023-11-06 22:02:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:15,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431704914] [2023-11-06 22:02:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431704914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092233705] [2023-11-06 22:02:15,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:15,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:15,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:15,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:15,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:16,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 622 [2023-11-06 22:02:16,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 250.0) internal successors, (1000), 4 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:16,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 622 [2023-11-06 22:02:16,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:16,588 INFO L124 PetriNetUnfolderBase]: 1080/1544 cut-off events. [2023-11-06 22:02:16,588 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2023-11-06 22:02:16,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3155 conditions, 1544 events. 1080/1544 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6382 event pairs, 586 based on Foata normal form. 1/1029 useless extension candidates. Maximal degree in co-relation 1264. Up to 739 conditions per place. [2023-11-06 22:02:16,604 INFO L140 encePairwiseOnDemand]: 612/622 looper letters, 26 selfloop transitions, 8 changer transitions 30/70 dead transitions. [2023-11-06 22:02:16,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 70 transitions, 304 flow [2023-11-06 22:02:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:02:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1290 transitions. [2023-11-06 22:02:16,634 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41479099678456594 [2023-11-06 22:02:16,635 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1290 transitions. [2023-11-06 22:02:16,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1290 transitions. [2023-11-06 22:02:16,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:16,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1290 transitions. [2023-11-06 22:02:16,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 258.0) internal successors, (1290), 5 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 622.0) internal successors, (3732), 6 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,671 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 622.0) internal successors, (3732), 6 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,673 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 90 flow. Second operand 5 states and 1290 transitions. [2023-11-06 22:02:16,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 70 transitions, 304 flow [2023-11-06 22:02:16,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 70 transitions, 280 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:02:16,683 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 124 flow [2023-11-06 22:02:16,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2023-11-06 22:02:16,691 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2023-11-06 22:02:16,692 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 124 flow [2023-11-06 22:02:16,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 250.0) internal successors, (1000), 4 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:16,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:16,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:16,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:16,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:16,699 INFO L85 PathProgramCache]: Analyzing trace with hash 389136648, now seen corresponding path program 1 times [2023-11-06 22:02:16,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355912660] [2023-11-06 22:02:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:16,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:16,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355912660] [2023-11-06 22:02:16,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355912660] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:16,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161956076] [2023-11-06 22:02:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:16,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:16,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:16,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:02:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:17,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:17,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:17,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161956076] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:17,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-11-06 22:02:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357253426] [2023-11-06 22:02:17,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:17,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:17,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:17,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:17,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 622 [2023-11-06 22:02:17,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 245.0) internal successors, (1225), 5 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:17,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:17,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 622 [2023-11-06 22:02:17,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:17,685 INFO L124 PetriNetUnfolderBase]: 641/936 cut-off events. [2023-11-06 22:02:17,686 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 22:02:17,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1881 conditions, 936 events. 641/936 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3565 event pairs, 185 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 1872. Up to 543 conditions per place. [2023-11-06 22:02:17,697 INFO L140 encePairwiseOnDemand]: 616/622 looper letters, 42 selfloop transitions, 5 changer transitions 0/52 dead transitions. [2023-11-06 22:02:17,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 52 transitions, 244 flow [2023-11-06 22:02:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:02:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1245 transitions. [2023-11-06 22:02:17,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4003215434083601 [2023-11-06 22:02:17,707 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1245 transitions. [2023-11-06 22:02:17,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1245 transitions. [2023-11-06 22:02:17,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:17,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1245 transitions. [2023-11-06 22:02:17,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:17,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 622.0) internal successors, (3732), 6 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:17,730 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 622.0) internal successors, (3732), 6 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:17,731 INFO L175 Difference]: Start difference. First operand has 40 places, 40 transitions, 124 flow. Second operand 5 states and 1245 transitions. [2023-11-06 22:02:17,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 52 transitions, 244 flow [2023-11-06 22:02:17,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 52 transitions, 232 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-06 22:02:17,735 INFO L231 Difference]: Finished difference. Result has 41 places, 41 transitions, 135 flow [2023-11-06 22:02:17,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=135, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2023-11-06 22:02:17,736 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2023-11-06 22:02:17,737 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 135 flow [2023-11-06 22:02:17,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 245.0) internal successors, (1225), 5 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:17,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:17,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:17,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:17,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:02:17,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:17,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:17,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1474305656, now seen corresponding path program 1 times [2023-11-06 22:02:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119847522] [2023-11-06 22:02:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:17,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:18,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:18,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119847522] [2023-11-06 22:02:18,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119847522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:18,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652888983] [2023-11-06 22:02:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:18,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:18,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:18,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:18,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:02:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:18,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:02:18,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:18,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:18,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652888983] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:18,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:18,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2023-11-06 22:02:18,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734418080] [2023-11-06 22:02:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:18,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:18,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:02:19,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 622 [2023-11-06 22:02:19,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 135 flow. Second operand has 7 states, 7 states have (on average 237.0) internal successors, (1659), 7 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:19,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 622 [2023-11-06 22:02:19,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:19,511 INFO L124 PetriNetUnfolderBase]: 829/1360 cut-off events. [2023-11-06 22:02:19,512 INFO L125 PetriNetUnfolderBase]: For 691/837 co-relation queries the response was YES. [2023-11-06 22:02:19,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3074 conditions, 1360 events. 829/1360 cut-off events. For 691/837 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6655 event pairs, 253 based on Foata normal form. 146/1331 useless extension candidates. Maximal degree in co-relation 3027. Up to 547 conditions per place. [2023-11-06 22:02:19,523 INFO L140 encePairwiseOnDemand]: 613/622 looper letters, 88 selfloop transitions, 15 changer transitions 0/107 dead transitions. [2023-11-06 22:02:19,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 107 transitions, 544 flow [2023-11-06 22:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:02:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:02:19,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2192 transitions. [2023-11-06 22:02:19,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39156841729188996 [2023-11-06 22:02:19,533 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2192 transitions. [2023-11-06 22:02:19,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2192 transitions. [2023-11-06 22:02:19,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:19,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2192 transitions. [2023-11-06 22:02:19,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 243.55555555555554) internal successors, (2192), 9 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 622.0) internal successors, (6220), 10 states have internal predecessors, (6220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,560 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 622.0) internal successors, (6220), 10 states have internal predecessors, (6220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,561 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 135 flow. Second operand 9 states and 2192 transitions. [2023-11-06 22:02:19,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 107 transitions, 544 flow [2023-11-06 22:02:19,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 107 transitions, 528 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:19,565 INFO L231 Difference]: Finished difference. Result has 51 places, 52 transitions, 213 flow [2023-11-06 22:02:19,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=213, PETRI_PLACES=51, PETRI_TRANSITIONS=52} [2023-11-06 22:02:19,566 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 12 predicate places. [2023-11-06 22:02:19,567 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 52 transitions, 213 flow [2023-11-06 22:02:19,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 237.0) internal successors, (1659), 7 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,568 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:19,568 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:19,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:19,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:19,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:19,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:19,775 INFO L85 PathProgramCache]: Analyzing trace with hash 317874936, now seen corresponding path program 2 times [2023-11-06 22:02:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348869385] [2023-11-06 22:02:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348869385] [2023-11-06 22:02:19,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348869385] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:19,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541516215] [2023-11-06 22:02:19,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:02:19,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:19,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:20,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:02:20,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:02:20,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:20,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:02:20,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:02:20,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:20,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541516215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:20,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2023-11-06 22:02:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040281424] [2023-11-06 22:02:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:20,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:20,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:20,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:20,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 622 [2023-11-06 22:02:20,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 52 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:20,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:20,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 622 [2023-11-06 22:02:20,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:20,833 INFO L124 PetriNetUnfolderBase]: 1387/2194 cut-off events. [2023-11-06 22:02:20,833 INFO L125 PetriNetUnfolderBase]: For 2276/2518 co-relation queries the response was YES. [2023-11-06 22:02:20,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6307 conditions, 2194 events. 1387/2194 cut-off events. For 2276/2518 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 11056 event pairs, 553 based on Foata normal form. 243/2422 useless extension candidates. Maximal degree in co-relation 6255. Up to 1187 conditions per place. [2023-11-06 22:02:20,858 INFO L140 encePairwiseOnDemand]: 615/622 looper letters, 91 selfloop transitions, 8 changer transitions 11/114 dead transitions. [2023-11-06 22:02:20,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 114 transitions, 681 flow [2023-11-06 22:02:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:02:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1676 transitions. [2023-11-06 22:02:20,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4490889603429796 [2023-11-06 22:02:20,866 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1676 transitions. [2023-11-06 22:02:20,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1676 transitions. [2023-11-06 22:02:20,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:20,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1676 transitions. [2023-11-06 22:02:20,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:20,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:20,883 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:20,884 INFO L175 Difference]: Start difference. First operand has 51 places, 52 transitions, 213 flow. Second operand 6 states and 1676 transitions. [2023-11-06 22:02:20,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 114 transitions, 681 flow [2023-11-06 22:02:20,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 114 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:20,901 INFO L231 Difference]: Finished difference. Result has 58 places, 58 transitions, 283 flow [2023-11-06 22:02:20,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=283, PETRI_PLACES=58, PETRI_TRANSITIONS=58} [2023-11-06 22:02:20,903 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2023-11-06 22:02:20,903 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 58 transitions, 283 flow [2023-11-06 22:02:20,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:20,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:20,904 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:20,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:21,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:21,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash 686990816, now seen corresponding path program 3 times [2023-11-06 22:02:21,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:21,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949491949] [2023-11-06 22:02:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:21,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:21,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949491949] [2023-11-06 22:02:21,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949491949] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:21,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820781970] [2023-11-06 22:02:21,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:02:21,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:21,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:21,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:02:21,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-06 22:02:21,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:21,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:02:21,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:21,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:21,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820781970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:21,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:21,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2023-11-06 22:02:21,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261666903] [2023-11-06 22:02:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:21,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:21,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:21,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 622 [2023-11-06 22:02:21,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 58 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:21,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:21,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 622 [2023-11-06 22:02:21,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:22,439 INFO L124 PetriNetUnfolderBase]: 1557/2489 cut-off events. [2023-11-06 22:02:22,439 INFO L125 PetriNetUnfolderBase]: For 4295/4561 co-relation queries the response was YES. [2023-11-06 22:02:22,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7993 conditions, 2489 events. 1557/2489 cut-off events. For 4295/4561 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 13327 event pairs, 703 based on Foata normal form. 267/2751 useless extension candidates. Maximal degree in co-relation 7967. Up to 1475 conditions per place. [2023-11-06 22:02:22,473 INFO L140 encePairwiseOnDemand]: 615/622 looper letters, 77 selfloop transitions, 16 changer transitions 11/108 dead transitions. [2023-11-06 22:02:22,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 108 transitions, 706 flow [2023-11-06 22:02:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:02:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1676 transitions. [2023-11-06 22:02:22,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4490889603429796 [2023-11-06 22:02:22,485 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1676 transitions. [2023-11-06 22:02:22,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1676 transitions. [2023-11-06 22:02:22,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:22,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1676 transitions. [2023-11-06 22:02:22,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,505 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,505 INFO L175 Difference]: Start difference. First operand has 58 places, 58 transitions, 283 flow. Second operand 6 states and 1676 transitions. [2023-11-06 22:02:22,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 108 transitions, 706 flow [2023-11-06 22:02:22,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 108 transitions, 696 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:22,542 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 397 flow [2023-11-06 22:02:22,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2023-11-06 22:02:22,545 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 25 predicate places. [2023-11-06 22:02:22,546 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 397 flow [2023-11-06 22:02:22,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:22,549 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:22,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:22,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:22,757 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:22,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash -776289874, now seen corresponding path program 4 times [2023-11-06 22:02:22,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:22,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289444554] [2023-11-06 22:02:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:22,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:22,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:22,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289444554] [2023-11-06 22:02:22,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289444554] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494585670] [2023-11-06 22:02:22,990 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:02:22,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:22,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:22,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:02:23,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:02:23,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:23,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:23,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:23,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494585670] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:23,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:02:23,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2023-11-06 22:02:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874098300] [2023-11-06 22:02:23,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:23,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:02:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:23,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:02:23,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:02:24,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 622 [2023-11-06 22:02:24,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 397 flow. Second operand has 13 states, 13 states have (on average 231.69230769230768) internal successors, (3012), 13 states have internal predecessors, (3012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:24,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:24,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 622 [2023-11-06 22:02:24,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:25,787 INFO L124 PetriNetUnfolderBase]: 2188/3571 cut-off events. [2023-11-06 22:02:25,788 INFO L125 PetriNetUnfolderBase]: For 8782/8782 co-relation queries the response was YES. [2023-11-06 22:02:25,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12412 conditions, 3571 events. 2188/3571 cut-off events. For 8782/8782 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 20334 event pairs, 183 based on Foata normal form. 14/3581 useless extension candidates. Maximal degree in co-relation 12380. Up to 627 conditions per place. [2023-11-06 22:02:25,836 INFO L140 encePairwiseOnDemand]: 608/622 looper letters, 176 selfloop transitions, 125 changer transitions 0/304 dead transitions. [2023-11-06 22:02:25,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 304 transitions, 2293 flow [2023-11-06 22:02:25,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:02:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-06 22:02:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 6155 transitions. [2023-11-06 22:02:25,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.380596092010883 [2023-11-06 22:02:25,905 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 6155 transitions. [2023-11-06 22:02:25,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 6155 transitions. [2023-11-06 22:02:25,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:25,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 6155 transitions. [2023-11-06 22:02:25,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 236.73076923076923) internal successors, (6155), 26 states have internal predecessors, (6155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:25,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 622.0) internal successors, (16794), 27 states have internal predecessors, (16794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:26,016 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 622.0) internal successors, (16794), 27 states have internal predecessors, (16794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:26,018 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 397 flow. Second operand 26 states and 6155 transitions. [2023-11-06 22:02:26,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 304 transitions, 2293 flow [2023-11-06 22:02:26,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 304 transitions, 2213 flow, removed 17 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:26,110 INFO L231 Difference]: Finished difference. Result has 104 places, 172 transitions, 1622 flow [2023-11-06 22:02:26,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1622, PETRI_PLACES=104, PETRI_TRANSITIONS=172} [2023-11-06 22:02:26,114 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 65 predicate places. [2023-11-06 22:02:26,114 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 172 transitions, 1622 flow [2023-11-06 22:02:26,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 231.69230769230768) internal successors, (3012), 13 states have internal predecessors, (3012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:26,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:26,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:26,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:26,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:26,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:26,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:26,323 INFO L85 PathProgramCache]: Analyzing trace with hash -185342500, now seen corresponding path program 5 times [2023-11-06 22:02:26,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:26,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781668761] [2023-11-06 22:02:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:26,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:26,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:26,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781668761] [2023-11-06 22:02:26,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781668761] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:26,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700491554] [2023-11-06 22:02:26,622 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:02:26,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:26,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:26,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:26,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:02:26,785 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:02:26,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:26,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:26,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:26,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700491554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:26,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:02:26,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2023-11-06 22:02:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099053558] [2023-11-06 22:02:26,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:26,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:02:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:02:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:02:27,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 622 [2023-11-06 22:02:27,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 172 transitions, 1622 flow. Second operand has 14 states, 14 states have (on average 232.21428571428572) internal successors, (3251), 14 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:27,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:27,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 622 [2023-11-06 22:02:27,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:29,328 INFO L124 PetriNetUnfolderBase]: 2469/4006 cut-off events. [2023-11-06 22:02:29,328 INFO L125 PetriNetUnfolderBase]: For 22764/22764 co-relation queries the response was YES. [2023-11-06 22:02:29,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18367 conditions, 4006 events. 2469/4006 cut-off events. For 22764/22764 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 23106 event pairs, 265 based on Foata normal form. 12/4015 useless extension candidates. Maximal degree in co-relation 18289. Up to 811 conditions per place. [2023-11-06 22:02:29,405 INFO L140 encePairwiseOnDemand]: 609/622 looper letters, 168 selfloop transitions, 219 changer transitions 0/390 dead transitions. [2023-11-06 22:02:29,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 390 transitions, 4056 flow [2023-11-06 22:02:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:02:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-06 22:02:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5213 transitions. [2023-11-06 22:02:29,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3809558608593978 [2023-11-06 22:02:29,428 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5213 transitions. [2023-11-06 22:02:29,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5213 transitions. [2023-11-06 22:02:29,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:29,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5213 transitions. [2023-11-06 22:02:29,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 236.95454545454547) internal successors, (5213), 22 states have internal predecessors, (5213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 622.0) internal successors, (14306), 23 states have internal predecessors, (14306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,477 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 622.0) internal successors, (14306), 23 states have internal predecessors, (14306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,478 INFO L175 Difference]: Start difference. First operand has 104 places, 172 transitions, 1622 flow. Second operand 22 states and 5213 transitions. [2023-11-06 22:02:29,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 390 transitions, 4056 flow [2023-11-06 22:02:29,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 390 transitions, 3847 flow, removed 64 selfloop flow, removed 5 redundant places. [2023-11-06 22:02:29,679 INFO L231 Difference]: Finished difference. Result has 128 places, 291 transitions, 3293 flow [2023-11-06 22:02:29,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=1495, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3293, PETRI_PLACES=128, PETRI_TRANSITIONS=291} [2023-11-06 22:02:29,681 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2023-11-06 22:02:29,681 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 291 transitions, 3293 flow [2023-11-06 22:02:29,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 232.21428571428572) internal successors, (3251), 14 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:29,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:29,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:29,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:29,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:29,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash 847894524, now seen corresponding path program 6 times [2023-11-06 22:02:29,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:29,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882525937] [2023-11-06 22:02:29,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:02:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882525937] [2023-11-06 22:02:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882525937] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249428049] [2023-11-06 22:02:30,164 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 22:02:30,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:30,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:30,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:02:30,330 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2023-11-06 22:02:30,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:30,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:02:30,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:02:30,400 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:30,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249428049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:30,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:30,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2023-11-06 22:02:30,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829233781] [2023-11-06 22:02:30,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:30,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:30,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:30,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:30,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:30,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 622 [2023-11-06 22:02:30,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 291 transitions, 3293 flow. Second operand has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:30,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 622 [2023-11-06 22:02:30,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:31,784 INFO L124 PetriNetUnfolderBase]: 2441/3886 cut-off events. [2023-11-06 22:02:31,785 INFO L125 PetriNetUnfolderBase]: For 30196/30206 co-relation queries the response was YES. [2023-11-06 22:02:31,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19940 conditions, 3886 events. 2441/3886 cut-off events. For 30196/30206 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 21632 event pairs, 721 based on Foata normal form. 11/3893 useless extension candidates. Maximal degree in co-relation 19853. Up to 2265 conditions per place. [2023-11-06 22:02:31,844 INFO L140 encePairwiseOnDemand]: 615/622 looper letters, 220 selfloop transitions, 64 changer transitions 12/338 dead transitions. [2023-11-06 22:02:31,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 338 transitions, 4258 flow [2023-11-06 22:02:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:02:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1674 transitions. [2023-11-06 22:02:31,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44855305466237944 [2023-11-06 22:02:31,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1674 transitions. [2023-11-06 22:02:31,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1674 transitions. [2023-11-06 22:02:31,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:31,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1674 transitions. [2023-11-06 22:02:31,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 622.0) internal successors, (4354), 7 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:31,869 INFO L175 Difference]: Start difference. First operand has 128 places, 291 transitions, 3293 flow. Second operand 6 states and 1674 transitions. [2023-11-06 22:02:31,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 338 transitions, 4258 flow [2023-11-06 22:02:32,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 338 transitions, 3885 flow, removed 140 selfloop flow, removed 5 redundant places. [2023-11-06 22:02:32,315 INFO L231 Difference]: Finished difference. Result has 130 places, 291 transitions, 3176 flow [2023-11-06 22:02:32,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=622, PETRI_DIFFERENCE_MINUEND_FLOW=3038, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3176, PETRI_PLACES=130, PETRI_TRANSITIONS=291} [2023-11-06 22:02:32,316 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2023-11-06 22:02:32,316 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 291 transitions, 3176 flow [2023-11-06 22:02:32,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:32,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:32,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:32,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:32,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 22:02:32,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2053302679, now seen corresponding path program 1 times [2023-11-06 22:02:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:32,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496260058] [2023-11-06 22:02:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:36,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:36,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496260058] [2023-11-06 22:02:36,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496260058] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:36,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638508847] [2023-11-06 22:02:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:36,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:36,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:36,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a474425-f3ef-421f-b1aa-fa3d13ccd016/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:02:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:36,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-06 22:02:36,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:37,084 INFO L322 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2023-11-06 22:02:37,085 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2023-11-06 22:02:37,132 INFO L322 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-06 22:02:37,132 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 1 [2023-11-06 22:02:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,177 INFO L322 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2023-11-06 22:02:37,177 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 1 [2023-11-06 22:02:37,211 INFO L322 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-06 22:02:37,211 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 1 [2023-11-06 22:02:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,460 INFO L322 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-06 22:02:37,460 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2023-11-06 22:02:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:37,723 INFO L322 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2023-11-06 22:02:37,724 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 32 treesize of output 57 [2023-11-06 22:02:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:38,085 INFO L322 Elim1Store]: treesize reduction 28, result has 42.9 percent of original size [2023-11-06 22:02:38,086 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 39 [2023-11-06 22:02:39,410 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:02:39,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-06 22:02:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:39,651 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:02:39,651 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-06 22:02:39,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:02:39,904 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:02:39,905 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-06 22:02:40,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:02:40,712 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:02:40,712 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 44 [2023-11-06 22:02:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:02:41,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:59,778 INFO L322 Elim1Store]: treesize reduction 42, result has 62.5 percent of original size [2023-11-06 22:02:59,779 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 330 treesize of output 190 [2023-11-06 22:03:00,318 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:03:00,321 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45461 treesize of output 43665 [2023-11-06 22:03:02,205 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:03:02,207 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41846 treesize of output 32326 [2023-11-06 22:03:07,497 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:03:07,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36278 treesize of output 31462 [2023-11-06 22:03:28,369 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:03:28,370 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10427 treesize of output 9751 [2023-11-06 22:03:43,944 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:04:29,154 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:04:33,391 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:04:38,994 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:04:47,487 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:05:08,346 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:05:13,607 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:05:15,814 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:05:36,888 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:05:38,898 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:05:46,867 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:05:52,575 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.