./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:33:48,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:33:48,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 02:33:48,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:33:48,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:33:48,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:33:48,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:33:48,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:33:48,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:33:48,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:33:48,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:33:48,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:33:48,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:33:48,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:33:48,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:33:48,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:33:48,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:33:48,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 02:33:48,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:33:48,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 02:33:48,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:33:48,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:33:48,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:33:48,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:33:48,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:33:48,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 02:33:48,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:33:48,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:33:48,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:33:48,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:33:48,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:33:48,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:33:48,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:33:48,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:33:48,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:33:48,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:33:48,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:33:48,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:33:48,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:33:48,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:33:48,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:33:48,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:33:48,181 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2024-11-09 02:33:48,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:33:48,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:33:48,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:33:48,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:33:48,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:33:48,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-11-09 02:33:49,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:33:50,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:33:50,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-11-09 02:33:50,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5dd3d31/268a6f0fb32245aeb35f4f9301f7ea34/FLAG6c68548e7 [2024-11-09 02:33:50,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5dd3d31/268a6f0fb32245aeb35f4f9301f7ea34 [2024-11-09 02:33:50,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:33:50,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:33:50,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:33:50,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:33:50,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:33:50,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab1cee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50, skipping insertion in model container [2024-11-09 02:33:50,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:33:50,567 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[186210,186223] [2024-11-09 02:33:50,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:33:50,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:33:50,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[186210,186223] [2024-11-09 02:33:50,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:33:50,717 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:33:50,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50 WrapperNode [2024-11-09 02:33:50,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:33:50,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:33:50,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:33:50,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:33:50,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,777 INFO L138 Inliner]: procedures = 246, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 127 [2024-11-09 02:33:50,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:33:50,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:33:50,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:33:50,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:33:50,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,807 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-09 02:33:50,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:33:50,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:33:50,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:33:50,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:33:50,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (1/1) ... [2024-11-09 02:33:50,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:33:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:33:50,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 02:33:50,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 02:33:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-09 02:33:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-09 02:33:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:33:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:33:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 02:33:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:33:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:33:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:33:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:33:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:33:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:33:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:33:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:33:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:33:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:33:50,931 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 02:33:51,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:33:51,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:33:51,319 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 02:33:51,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:33:51,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:33:51,440 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:33:51,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:33:51 BoogieIcfgContainer [2024-11-09 02:33:51,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:33:51,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:33:51,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:33:51,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:33:51,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:33:50" (1/3) ... [2024-11-09 02:33:51,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8195c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:33:51, skipping insertion in model container [2024-11-09 02:33:51,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:33:50" (2/3) ... [2024-11-09 02:33:51,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8195c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:33:51, skipping insertion in model container [2024-11-09 02:33:51,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:33:51" (3/3) ... [2024-11-09 02:33:51,447 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2024-11-09 02:33:51,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:33:51,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 02:33:51,460 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 02:33:51,491 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 02:33:51,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 60 transitions, 134 flow [2024-11-09 02:33:51,538 INFO L124 PetriNetUnfolderBase]: 10/73 cut-off events. [2024-11-09 02:33:51,539 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 02:33:51,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 73 events. 10/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 138 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 39. Up to 4 conditions per place. [2024-11-09 02:33:51,542 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 60 transitions, 134 flow [2024-11-09 02:33:51,545 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 53 transitions, 118 flow [2024-11-09 02:33:51,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:33:51,557 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60498ca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:33:51,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 02:33:51,561 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 02:33:51,561 INFO L124 PetriNetUnfolderBase]: 1/5 cut-off events. [2024-11-09 02:33:51,561 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 02:33:51,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:51,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-09 02:33:51,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:51,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:51,567 INFO L85 PathProgramCache]: Analyzing trace with hash 13064660, now seen corresponding path program 1 times [2024-11-09 02:33:51,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:51,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406810913] [2024-11-09 02:33:51,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:51,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:51,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406810913] [2024-11-09 02:33:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406810913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:51,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:51,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 02:33:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540044543] [2024-11-09 02:33:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:51,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:33:51,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:33:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:33:51,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:51,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 53 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:51,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:51,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:51,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:52,166 INFO L124 PetriNetUnfolderBase]: 466/823 cut-off events. [2024-11-09 02:33:52,166 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-09 02:33:52,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 823 events. 466/823 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3428 event pairs, 345 based on Foata normal form. 3/822 useless extension candidates. Maximal degree in co-relation 1538. Up to 602 conditions per place. [2024-11-09 02:33:52,173 INFO L140 encePairwiseOnDemand]: 45/60 looper letters, 39 selfloop transitions, 10 changer transitions 0/54 dead transitions. [2024-11-09 02:33:52,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 54 transitions, 218 flow [2024-11-09 02:33:52,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:33:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 02:33:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-11-09 02:33:52,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2024-11-09 02:33:52,186 INFO L175 Difference]: Start difference. First operand has 53 places, 53 transitions, 118 flow. Second operand 3 states and 84 transitions. [2024-11-09 02:33:52,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 54 transitions, 218 flow [2024-11-09 02:33:52,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 210 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 02:33:52,191 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 112 flow [2024-11-09 02:33:52,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2024-11-09 02:33:52,196 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -6 predicate places. [2024-11-09 02:33:52,196 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 112 flow [2024-11-09 02:33:52,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:52,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:52,196 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 02:33:52,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:33:52,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:52,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:52,197 INFO L85 PathProgramCache]: Analyzing trace with hash -329692165, now seen corresponding path program 1 times [2024-11-09 02:33:52,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:52,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753553265] [2024-11-09 02:33:52,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:52,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:52,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:52,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753553265] [2024-11-09 02:33:52,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753553265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:52,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:52,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:33:52,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022033824] [2024-11-09 02:33:52,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:52,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:33:52,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:52,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:33:52,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:33:52,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:52,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:52,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:52,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:52,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:52,537 INFO L124 PetriNetUnfolderBase]: 466/821 cut-off events. [2024-11-09 02:33:52,538 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-09 02:33:52,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1712 conditions, 821 events. 466/821 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3457 event pairs, 155 based on Foata normal form. 1/821 useless extension candidates. Maximal degree in co-relation 818. Up to 553 conditions per place. [2024-11-09 02:33:52,542 INFO L140 encePairwiseOnDemand]: 48/60 looper letters, 47 selfloop transitions, 11 changer transitions 0/62 dead transitions. [2024-11-09 02:33:52,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 62 transitions, 265 flow [2024-11-09 02:33:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:33:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 02:33:52,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2024-11-09 02:33:52,544 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36333333333333334 [2024-11-09 02:33:52,544 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 112 flow. Second operand 5 states and 109 transitions. [2024-11-09 02:33:52,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 62 transitions, 265 flow [2024-11-09 02:33:52,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 62 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 02:33:52,547 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 126 flow [2024-11-09 02:33:52,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2024-11-09 02:33:52,548 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2024-11-09 02:33:52,548 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 126 flow [2024-11-09 02:33:52,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:52,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:52,549 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:52,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:33:52,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:52,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2019603849, now seen corresponding path program 1 times [2024-11-09 02:33:52,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:52,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384305972] [2024-11-09 02:33:52,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:52,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:52,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384305972] [2024-11-09 02:33:52,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384305972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:52,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:52,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:33:52,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168510169] [2024-11-09 02:33:52,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:52,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:33:52,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:52,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:33:52,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:33:52,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:52,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 126 flow. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:52,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:52,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:52,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:53,002 INFO L124 PetriNetUnfolderBase]: 562/1026 cut-off events. [2024-11-09 02:33:53,002 INFO L125 PetriNetUnfolderBase]: For 180/180 co-relation queries the response was YES. [2024-11-09 02:33:53,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2316 conditions, 1026 events. 562/1026 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4860 event pairs, 252 based on Foata normal form. 64/1089 useless extension candidates. Maximal degree in co-relation 274. Up to 545 conditions per place. [2024-11-09 02:33:53,007 INFO L140 encePairwiseOnDemand]: 47/60 looper letters, 49 selfloop transitions, 10 changer transitions 4/67 dead transitions. [2024-11-09 02:33:53,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 67 transitions, 306 flow [2024-11-09 02:33:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:33:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 02:33:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 102 transitions. [2024-11-09 02:33:53,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.425 [2024-11-09 02:33:53,010 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 126 flow. Second operand 4 states and 102 transitions. [2024-11-09 02:33:53,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 67 transitions, 306 flow [2024-11-09 02:33:53,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 67 transitions, 286 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 02:33:53,013 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 150 flow [2024-11-09 02:33:53,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=50, PETRI_TRANSITIONS=44} [2024-11-09 02:33:53,015 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2024-11-09 02:33:53,015 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 150 flow [2024-11-09 02:33:53,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:53,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:53,016 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:53,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 02:33:53,016 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:53,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1257070099, now seen corresponding path program 1 times [2024-11-09 02:33:53,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:53,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329629772] [2024-11-09 02:33:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:53,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:53,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329629772] [2024-11-09 02:33:53,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329629772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:53,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:53,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:33:53,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052952449] [2024-11-09 02:33:53,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:53,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:33:53,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:53,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:33:53,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:33:53,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 60 [2024-11-09 02:33:53,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:53,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:53,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 60 [2024-11-09 02:33:53,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:53,244 INFO L124 PetriNetUnfolderBase]: 225/408 cut-off events. [2024-11-09 02:33:53,244 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2024-11-09 02:33:53,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 408 events. 225/408 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1450 event pairs, 46 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 927. Up to 217 conditions per place. [2024-11-09 02:33:53,246 INFO L140 encePairwiseOnDemand]: 57/60 looper letters, 48 selfloop transitions, 3 changer transitions 0/58 dead transitions. [2024-11-09 02:33:53,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 278 flow [2024-11-09 02:33:53,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:33:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 02:33:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2024-11-09 02:33:53,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5458333333333333 [2024-11-09 02:33:53,251 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 150 flow. Second operand 4 states and 131 transitions. [2024-11-09 02:33:53,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 278 flow [2024-11-09 02:33:53,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 248 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-11-09 02:33:53,253 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 96 flow [2024-11-09 02:33:53,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=96, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2024-11-09 02:33:53,254 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -12 predicate places. [2024-11-09 02:33:53,255 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 96 flow [2024-11-09 02:33:53,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:53,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:53,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:53,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 02:33:53,255 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:53,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash -660184073, now seen corresponding path program 1 times [2024-11-09 02:33:53,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:53,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715739811] [2024-11-09 02:33:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:53,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:53,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715739811] [2024-11-09 02:33:53,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715739811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:53,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:53,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:33:53,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42706607] [2024-11-09 02:33:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:53,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:33:53,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:53,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:33:53,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:33:53,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 60 [2024-11-09 02:33:53,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:53,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:53,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 60 [2024-11-09 02:33:53,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:53,731 INFO L124 PetriNetUnfolderBase]: 251/458 cut-off events. [2024-11-09 02:33:53,731 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2024-11-09 02:33:53,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 458 events. 251/458 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1775 event pairs, 35 based on Foata normal form. 8/465 useless extension candidates. Maximal degree in co-relation 219. Up to 271 conditions per place. [2024-11-09 02:33:53,733 INFO L140 encePairwiseOnDemand]: 54/60 looper letters, 56 selfloop transitions, 6 changer transitions 0/69 dead transitions. [2024-11-09 02:33:53,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 69 transitions, 332 flow [2024-11-09 02:33:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:33:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 02:33:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-11-09 02:33:53,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5466666666666666 [2024-11-09 02:33:53,734 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 96 flow. Second operand 5 states and 164 transitions. [2024-11-09 02:33:53,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 69 transitions, 332 flow [2024-11-09 02:33:53,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 69 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 02:33:53,736 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 126 flow [2024-11-09 02:33:53,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2024-11-09 02:33:53,737 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2024-11-09 02:33:53,737 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 126 flow [2024-11-09 02:33:53,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:53,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:53,738 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:53,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 02:33:53,738 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:53,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:53,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1426301679, now seen corresponding path program 2 times [2024-11-09 02:33:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:53,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650840335] [2024-11-09 02:33:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:54,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:54,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650840335] [2024-11-09 02:33:54,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650840335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:54,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:54,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:33:54,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134075433] [2024-11-09 02:33:54,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:54,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:33:54,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:33:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:33:54,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 60 [2024-11-09 02:33:54,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 126 flow. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:54,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:54,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 60 [2024-11-09 02:33:54,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:54,231 INFO L124 PetriNetUnfolderBase]: 281/516 cut-off events. [2024-11-09 02:33:54,231 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-11-09 02:33:54,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 516 events. 281/516 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2048 event pairs, 37 based on Foata normal form. 8/523 useless extension candidates. Maximal degree in co-relation 354. Up to 307 conditions per place. [2024-11-09 02:33:54,234 INFO L140 encePairwiseOnDemand]: 54/60 looper letters, 58 selfloop transitions, 8 changer transitions 0/73 dead transitions. [2024-11-09 02:33:54,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 73 transitions, 378 flow [2024-11-09 02:33:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:33:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 02:33:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-11-09 02:33:54,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5466666666666666 [2024-11-09 02:33:54,236 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 126 flow. Second operand 5 states and 164 transitions. [2024-11-09 02:33:54,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 73 transitions, 378 flow [2024-11-09 02:33:54,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 73 transitions, 375 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 02:33:54,238 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 172 flow [2024-11-09 02:33:54,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=172, PETRI_PLACES=50, PETRI_TRANSITIONS=44} [2024-11-09 02:33:54,239 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2024-11-09 02:33:54,239 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 172 flow [2024-11-09 02:33:54,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:54,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:54,240 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:54,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 02:33:54,240 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:54,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:54,240 INFO L85 PathProgramCache]: Analyzing trace with hash -368074777, now seen corresponding path program 3 times [2024-11-09 02:33:54,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:54,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024549818] [2024-11-09 02:33:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:54,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:54,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:54,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024549818] [2024-11-09 02:33:54,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024549818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:54,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:54,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:33:54,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835121415] [2024-11-09 02:33:54,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:54,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:33:54,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:54,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:33:54,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:33:54,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:54,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 172 flow. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:54,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:54,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:54,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:54,914 INFO L124 PetriNetUnfolderBase]: 324/607 cut-off events. [2024-11-09 02:33:54,914 INFO L125 PetriNetUnfolderBase]: For 577/577 co-relation queries the response was YES. [2024-11-09 02:33:54,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1923 conditions, 607 events. 324/607 cut-off events. For 577/577 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2452 event pairs, 38 based on Foata normal form. 0/606 useless extension candidates. Maximal degree in co-relation 696. Up to 171 conditions per place. [2024-11-09 02:33:54,917 INFO L140 encePairwiseOnDemand]: 47/60 looper letters, 82 selfloop transitions, 23 changer transitions 0/107 dead transitions. [2024-11-09 02:33:54,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 107 transitions, 682 flow [2024-11-09 02:33:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:33:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 02:33:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-11-09 02:33:54,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2791666666666667 [2024-11-09 02:33:54,919 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 172 flow. Second operand 12 states and 201 transitions. [2024-11-09 02:33:54,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 107 transitions, 682 flow [2024-11-09 02:33:54,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 107 transitions, 674 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 02:33:54,922 INFO L231 Difference]: Finished difference. Result has 64 places, 55 transitions, 288 flow [2024-11-09 02:33:54,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=288, PETRI_PLACES=64, PETRI_TRANSITIONS=55} [2024-11-09 02:33:54,922 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 11 predicate places. [2024-11-09 02:33:54,923 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 288 flow [2024-11-09 02:33:54,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:54,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:54,923 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:54,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 02:33:54,923 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:54,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash -786765451, now seen corresponding path program 4 times [2024-11-09 02:33:54,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023341792] [2024-11-09 02:33:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:55,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:55,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023341792] [2024-11-09 02:33:55,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023341792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:55,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:55,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:33:55,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687258184] [2024-11-09 02:33:55,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:55,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:33:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:55,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:33:55,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:33:55,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 60 [2024-11-09 02:33:55,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 55 transitions, 288 flow. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:55,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:55,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 60 [2024-11-09 02:33:55,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:55,335 INFO L124 PetriNetUnfolderBase]: 437/848 cut-off events. [2024-11-09 02:33:55,335 INFO L125 PetriNetUnfolderBase]: For 1437/1437 co-relation queries the response was YES. [2024-11-09 02:33:55,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 848 events. 437/848 cut-off events. For 1437/1437 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4078 event pairs, 115 based on Foata normal form. 16/864 useless extension candidates. Maximal degree in co-relation 2881. Up to 515 conditions per place. [2024-11-09 02:33:55,340 INFO L140 encePairwiseOnDemand]: 54/60 looper letters, 87 selfloop transitions, 10 changer transitions 0/105 dead transitions. [2024-11-09 02:33:55,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 105 transitions, 750 flow [2024-11-09 02:33:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:33:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 02:33:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 173 transitions. [2024-11-09 02:33:55,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5766666666666667 [2024-11-09 02:33:55,342 INFO L175 Difference]: Start difference. First operand has 64 places, 55 transitions, 288 flow. Second operand 5 states and 173 transitions. [2024-11-09 02:33:55,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 105 transitions, 750 flow [2024-11-09 02:33:55,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 105 transitions, 725 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-11-09 02:33:55,346 INFO L231 Difference]: Finished difference. Result has 68 places, 61 transitions, 370 flow [2024-11-09 02:33:55,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=370, PETRI_PLACES=68, PETRI_TRANSITIONS=61} [2024-11-09 02:33:55,347 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 15 predicate places. [2024-11-09 02:33:55,347 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 370 flow [2024-11-09 02:33:55,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:55,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:55,348 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:55,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 02:33:55,348 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:55,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:55,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1783290199, now seen corresponding path program 5 times [2024-11-09 02:33:55,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:55,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751200896] [2024-11-09 02:33:55,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:55,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:55,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:55,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751200896] [2024-11-09 02:33:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751200896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:55,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:55,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:33:55,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507923757] [2024-11-09 02:33:55,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:55,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:33:55,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:55,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:33:55,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:33:55,699 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:55,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 370 flow. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:55,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:55,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:55,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:56,015 INFO L124 PetriNetUnfolderBase]: 437/844 cut-off events. [2024-11-09 02:33:56,016 INFO L125 PetriNetUnfolderBase]: For 2287/2287 co-relation queries the response was YES. [2024-11-09 02:33:56,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3182 conditions, 844 events. 437/844 cut-off events. For 2287/2287 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4009 event pairs, 45 based on Foata normal form. 2/846 useless extension candidates. Maximal degree in co-relation 3139. Up to 246 conditions per place. [2024-11-09 02:33:56,021 INFO L140 encePairwiseOnDemand]: 47/60 looper letters, 93 selfloop transitions, 27 changer transitions 0/121 dead transitions. [2024-11-09 02:33:56,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 121 transitions, 1017 flow [2024-11-09 02:33:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:33:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 02:33:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 202 transitions. [2024-11-09 02:33:56,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28055555555555556 [2024-11-09 02:33:56,022 INFO L175 Difference]: Start difference. First operand has 68 places, 61 transitions, 370 flow. Second operand 12 states and 202 transitions. [2024-11-09 02:33:56,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 121 transitions, 1017 flow [2024-11-09 02:33:56,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 121 transitions, 995 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-11-09 02:33:56,029 INFO L231 Difference]: Finished difference. Result has 76 places, 65 transitions, 465 flow [2024-11-09 02:33:56,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=465, PETRI_PLACES=76, PETRI_TRANSITIONS=65} [2024-11-09 02:33:56,030 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 23 predicate places. [2024-11-09 02:33:56,030 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 65 transitions, 465 flow [2024-11-09 02:33:56,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:56,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:56,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:56,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 02:33:56,030 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:56,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:56,031 INFO L85 PathProgramCache]: Analyzing trace with hash -170966216, now seen corresponding path program 1 times [2024-11-09 02:33:56,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:56,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137263228] [2024-11-09 02:33:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:56,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:56,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137263228] [2024-11-09 02:33:56,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137263228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:56,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:56,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:33:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537694681] [2024-11-09 02:33:56,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:56,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:33:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:56,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:33:56,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:33:56,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:56,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 65 transitions, 465 flow. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:56,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:56,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:56,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:57,232 INFO L124 PetriNetUnfolderBase]: 437/842 cut-off events. [2024-11-09 02:33:57,232 INFO L125 PetriNetUnfolderBase]: For 2801/2801 co-relation queries the response was YES. [2024-11-09 02:33:57,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3376 conditions, 842 events. 437/842 cut-off events. For 2801/2801 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3923 event pairs, 82 based on Foata normal form. 1/843 useless extension candidates. Maximal degree in co-relation 2470. Up to 368 conditions per place. [2024-11-09 02:33:57,242 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 72 selfloop transitions, 32 changer transitions 27/132 dead transitions. [2024-11-09 02:33:57,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 132 transitions, 1200 flow [2024-11-09 02:33:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:33:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 02:33:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 232 transitions. [2024-11-09 02:33:57,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2761904761904762 [2024-11-09 02:33:57,246 INFO L175 Difference]: Start difference. First operand has 76 places, 65 transitions, 465 flow. Second operand 14 states and 232 transitions. [2024-11-09 02:33:57,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 132 transitions, 1200 flow [2024-11-09 02:33:57,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 132 transitions, 1148 flow, removed 11 selfloop flow, removed 7 redundant places. [2024-11-09 02:33:57,254 INFO L231 Difference]: Finished difference. Result has 88 places, 78 transitions, 685 flow [2024-11-09 02:33:57,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=685, PETRI_PLACES=88, PETRI_TRANSITIONS=78} [2024-11-09 02:33:57,254 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 35 predicate places. [2024-11-09 02:33:57,255 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 78 transitions, 685 flow [2024-11-09 02:33:57,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:57,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:57,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:57,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 02:33:57,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:57,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash -343838380, now seen corresponding path program 2 times [2024-11-09 02:33:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292522764] [2024-11-09 02:33:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:57,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:57,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:57,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292522764] [2024-11-09 02:33:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292522764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:57,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:57,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:33:57,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632662326] [2024-11-09 02:33:57,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:57,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:33:57,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:57,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:33:57,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:33:58,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:58,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 78 transitions, 685 flow. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:58,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:58,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:58,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:58,468 INFO L124 PetriNetUnfolderBase]: 377/746 cut-off events. [2024-11-09 02:33:58,468 INFO L125 PetriNetUnfolderBase]: For 2817/2817 co-relation queries the response was YES. [2024-11-09 02:33:58,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 746 events. 377/746 cut-off events. For 2817/2817 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3387 event pairs, 66 based on Foata normal form. 1/747 useless extension candidates. Maximal degree in co-relation 3094. Up to 410 conditions per place. [2024-11-09 02:33:58,472 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 68 selfloop transitions, 28 changer transitions 32/129 dead transitions. [2024-11-09 02:33:58,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 129 transitions, 1242 flow [2024-11-09 02:33:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:33:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 02:33:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 217 transitions. [2024-11-09 02:33:58,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2782051282051282 [2024-11-09 02:33:58,474 INFO L175 Difference]: Start difference. First operand has 88 places, 78 transitions, 685 flow. Second operand 13 states and 217 transitions. [2024-11-09 02:33:58,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 129 transitions, 1242 flow [2024-11-09 02:33:58,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 129 transitions, 1135 flow, removed 15 selfloop flow, removed 10 redundant places. [2024-11-09 02:33:58,484 INFO L231 Difference]: Finished difference. Result has 91 places, 75 transitions, 637 flow [2024-11-09 02:33:58,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=637, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2024-11-09 02:33:58,485 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 38 predicate places. [2024-11-09 02:33:58,486 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 637 flow [2024-11-09 02:33:58,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:58,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:58,487 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:58,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 02:33:58,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:58,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:58,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1234976944, now seen corresponding path program 3 times [2024-11-09 02:33:58,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:58,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297877676] [2024-11-09 02:33:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:58,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:33:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:33:59,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:33:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297877676] [2024-11-09 02:33:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297877676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:33:59,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:33:59,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:33:59,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849278753] [2024-11-09 02:33:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:33:59,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:33:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:33:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:33:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:33:59,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:33:59,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 75 transitions, 637 flow. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:59,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:33:59,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:33:59,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:33:59,707 INFO L124 PetriNetUnfolderBase]: 295/584 cut-off events. [2024-11-09 02:33:59,707 INFO L125 PetriNetUnfolderBase]: For 2029/2029 co-relation queries the response was YES. [2024-11-09 02:33:59,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2413 conditions, 584 events. 295/584 cut-off events. For 2029/2029 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2426 event pairs, 58 based on Foata normal form. 1/585 useless extension candidates. Maximal degree in co-relation 2387. Up to 301 conditions per place. [2024-11-09 02:33:59,713 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 58 selfloop transitions, 26 changer transitions 27/112 dead transitions. [2024-11-09 02:33:59,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 112 transitions, 1053 flow [2024-11-09 02:33:59,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:33:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 02:33:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 228 transitions. [2024-11-09 02:33:59,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2714285714285714 [2024-11-09 02:33:59,716 INFO L175 Difference]: Start difference. First operand has 91 places, 75 transitions, 637 flow. Second operand 14 states and 228 transitions. [2024-11-09 02:33:59,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 112 transitions, 1053 flow [2024-11-09 02:33:59,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 994 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-11-09 02:33:59,723 INFO L231 Difference]: Finished difference. Result has 93 places, 67 transitions, 579 flow [2024-11-09 02:33:59,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=579, PETRI_PLACES=93, PETRI_TRANSITIONS=67} [2024-11-09 02:33:59,724 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 40 predicate places. [2024-11-09 02:33:59,724 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 579 flow [2024-11-09 02:33:59,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:33:59,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:33:59,724 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:33:59,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 02:33:59,725 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:33:59,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:33:59,727 INFO L85 PathProgramCache]: Analyzing trace with hash 302187456, now seen corresponding path program 4 times [2024-11-09 02:33:59,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:33:59,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267278371] [2024-11-09 02:33:59,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:33:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:33:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:34:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:34:00,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:34:00,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267278371] [2024-11-09 02:34:00,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267278371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:34:00,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:34:00,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:34:00,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247437543] [2024-11-09 02:34:00,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:34:00,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:34:00,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:34:00,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:34:00,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:34:00,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:34:00,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 579 flow. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:00,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:34:00,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:34:00,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:34:00,943 INFO L124 PetriNetUnfolderBase]: 228/449 cut-off events. [2024-11-09 02:34:00,943 INFO L125 PetriNetUnfolderBase]: For 1654/1654 co-relation queries the response was YES. [2024-11-09 02:34:00,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1920 conditions, 449 events. 228/449 cut-off events. For 1654/1654 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1691 event pairs, 36 based on Foata normal form. 1/450 useless extension candidates. Maximal degree in co-relation 1899. Up to 237 conditions per place. [2024-11-09 02:34:00,946 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 45 selfloop transitions, 16 changer transitions 36/98 dead transitions. [2024-11-09 02:34:00,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 920 flow [2024-11-09 02:34:00,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 02:34:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 02:34:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 220 transitions. [2024-11-09 02:34:00,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2619047619047619 [2024-11-09 02:34:00,948 INFO L175 Difference]: Start difference. First operand has 93 places, 67 transitions, 579 flow. Second operand 14 states and 220 transitions. [2024-11-09 02:34:00,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 920 flow [2024-11-09 02:34:00,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 98 transitions, 804 flow, removed 3 selfloop flow, removed 15 redundant places. [2024-11-09 02:34:00,952 INFO L231 Difference]: Finished difference. Result has 87 places, 53 transitions, 371 flow [2024-11-09 02:34:00,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=371, PETRI_PLACES=87, PETRI_TRANSITIONS=53} [2024-11-09 02:34:00,953 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 34 predicate places. [2024-11-09 02:34:00,953 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 53 transitions, 371 flow [2024-11-09 02:34:00,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:00,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:34:00,953 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:34:00,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 02:34:00,953 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:34:00,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:34:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1301090480, now seen corresponding path program 5 times [2024-11-09 02:34:00,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:34:00,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038958535] [2024-11-09 02:34:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:34:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:34:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:34:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:34:01,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:34:01,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038958535] [2024-11-09 02:34:01,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038958535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:34:01,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:34:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:34:01,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765370956] [2024-11-09 02:34:01,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:34:01,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:34:01,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:34:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:34:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:34:01,260 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 60 [2024-11-09 02:34:01,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 53 transitions, 371 flow. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:01,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:34:01,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 60 [2024-11-09 02:34:01,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:34:01,474 INFO L124 PetriNetUnfolderBase]: 97/204 cut-off events. [2024-11-09 02:34:01,474 INFO L125 PetriNetUnfolderBase]: For 750/750 co-relation queries the response was YES. [2024-11-09 02:34:01,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 204 events. 97/204 cut-off events. For 750/750 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 575 event pairs, 9 based on Foata normal form. 12/216 useless extension candidates. Maximal degree in co-relation 816. Up to 96 conditions per place. [2024-11-09 02:34:01,476 INFO L140 encePairwiseOnDemand]: 54/60 looper letters, 45 selfloop transitions, 14 changer transitions 0/64 dead transitions. [2024-11-09 02:34:01,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 64 transitions, 533 flow [2024-11-09 02:34:01,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:34:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 02:34:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2024-11-09 02:34:01,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5133333333333333 [2024-11-09 02:34:01,477 INFO L175 Difference]: Start difference. First operand has 87 places, 53 transitions, 371 flow. Second operand 5 states and 154 transitions. [2024-11-09 02:34:01,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 64 transitions, 533 flow [2024-11-09 02:34:01,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 421 flow, removed 16 selfloop flow, removed 18 redundant places. [2024-11-09 02:34:01,480 INFO L231 Difference]: Finished difference. Result has 65 places, 51 transitions, 311 flow [2024-11-09 02:34:01,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=311, PETRI_PLACES=65, PETRI_TRANSITIONS=51} [2024-11-09 02:34:01,481 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 12 predicate places. [2024-11-09 02:34:01,482 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 51 transitions, 311 flow [2024-11-09 02:34:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:01,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:34:01,482 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:34:01,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 02:34:01,483 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:34:01,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:34:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash 50014096, now seen corresponding path program 6 times [2024-11-09 02:34:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:34:01,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685035618] [2024-11-09 02:34:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:34:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:34:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:34:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:34:02,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:34:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685035618] [2024-11-09 02:34:02,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685035618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:34:02,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:34:02,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:34:02,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597912774] [2024-11-09 02:34:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:34:02,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:34:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:34:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:34:02,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:34:02,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:34:02,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 51 transitions, 311 flow. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:02,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:34:02,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:34:02,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:34:02,911 INFO L124 PetriNetUnfolderBase]: 144/303 cut-off events. [2024-11-09 02:34:02,911 INFO L125 PetriNetUnfolderBase]: For 767/767 co-relation queries the response was YES. [2024-11-09 02:34:02,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1039 conditions, 303 events. 144/303 cut-off events. For 767/767 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 995 event pairs, 5 based on Foata normal form. 1/304 useless extension candidates. Maximal degree in co-relation 739. Up to 71 conditions per place. [2024-11-09 02:34:02,915 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 37 selfloop transitions, 14 changer transitions 30/82 dead transitions. [2024-11-09 02:34:02,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 82 transitions, 599 flow [2024-11-09 02:34:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:34:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 02:34:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 197 transitions. [2024-11-09 02:34:02,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25256410256410255 [2024-11-09 02:34:02,917 INFO L175 Difference]: Start difference. First operand has 65 places, 51 transitions, 311 flow. Second operand 13 states and 197 transitions. [2024-11-09 02:34:02,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 82 transitions, 599 flow [2024-11-09 02:34:02,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 82 transitions, 558 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-09 02:34:02,921 INFO L231 Difference]: Finished difference. Result has 73 places, 43 transitions, 241 flow [2024-11-09 02:34:02,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=241, PETRI_PLACES=73, PETRI_TRANSITIONS=43} [2024-11-09 02:34:02,922 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 20 predicate places. [2024-11-09 02:34:02,922 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 43 transitions, 241 flow [2024-11-09 02:34:02,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:02,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:34:02,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:34:02,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 02:34:02,923 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 02:34:02,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:34:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash -302123464, now seen corresponding path program 7 times [2024-11-09 02:34:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:34:02,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148262018] [2024-11-09 02:34:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:34:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:34:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:34:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 02:34:03,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:34:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148262018] [2024-11-09 02:34:03,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148262018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:34:03,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:34:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:34:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579733589] [2024-11-09 02:34:03,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:34:03,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:34:03,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:34:03,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:34:03,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:34:03,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2024-11-09 02:34:03,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 43 transitions, 241 flow. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:03,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:34:03,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2024-11-09 02:34:03,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:34:03,946 INFO L124 PetriNetUnfolderBase]: 76/169 cut-off events. [2024-11-09 02:34:03,946 INFO L125 PetriNetUnfolderBase]: For 274/274 co-relation queries the response was YES. [2024-11-09 02:34:03,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 169 events. 76/169 cut-off events. For 274/274 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 426 event pairs, 4 based on Foata normal form. 1/170 useless extension candidates. Maximal degree in co-relation 587. Up to 62 conditions per place. [2024-11-09 02:34:03,948 INFO L140 encePairwiseOnDemand]: 50/60 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2024-11-09 02:34:03,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 54 transitions, 393 flow [2024-11-09 02:34:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 02:34:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 02:34:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 181 transitions. [2024-11-09 02:34:03,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23205128205128206 [2024-11-09 02:34:03,949 INFO L175 Difference]: Start difference. First operand has 73 places, 43 transitions, 241 flow. Second operand 13 states and 181 transitions. [2024-11-09 02:34:03,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 54 transitions, 393 flow [2024-11-09 02:34:03,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 54 transitions, 323 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-09 02:34:03,951 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-09 02:34:03,951 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-09 02:34:03,952 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 9 predicate places. [2024-11-09 02:34:03,952 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-09 02:34:03,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 02:34:03,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-11-09 02:34:03,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-09 02:34:03,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-09 02:34:03,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-09 02:34:03,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-09 02:34:03,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-09 02:34:03,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-09 02:34:03,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-11-09 02:34:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 02:34:03,960 INFO L407 BasicCegarLoop]: Path program histogram: [7, 5, 1, 1, 1, 1] [2024-11-09 02:34:03,965 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 02:34:03,965 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 02:34:03,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:34:03 BasicIcfg [2024-11-09 02:34:03,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 02:34:03,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 02:34:03,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 02:34:03,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 02:34:03,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:33:51" (3/4) ... [2024-11-09 02:34:03,977 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 02:34:03,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-09 02:34:03,986 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-09 02:34:03,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-09 02:34:03,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 02:34:03,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 02:34:04,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 02:34:04,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 02:34:04,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 02:34:04,073 INFO L158 Benchmark]: Toolchain (without parser) took 13859.91ms. Allocated memory was 155.2MB in the beginning and 524.3MB in the end (delta: 369.1MB). Free memory was 127.4MB in the beginning and 302.3MB in the end (delta: -174.8MB). Peak memory consumption was 194.1MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,073 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 02:34:04,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.68ms. Allocated memory is still 155.2MB. Free memory was 127.4MB in the beginning and 90.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 87.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,074 INFO L158 Benchmark]: Boogie Preprocessor took 45.89ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,074 INFO L158 Benchmark]: RCFGBuilder took 612.55ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 118.9MB in the end (delta: -35.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,074 INFO L158 Benchmark]: TraceAbstraction took 12528.97ms. Allocated memory was 155.2MB in the beginning and 524.3MB in the end (delta: 369.1MB). Free memory was 118.1MB in the beginning and 307.5MB in the end (delta: -189.4MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,074 INFO L158 Benchmark]: Witness Printer took 98.51ms. Allocated memory is still 524.3MB. Free memory was 307.5MB in the beginning and 302.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 02:34:04,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.68ms. Allocated memory is still 155.2MB. Free memory was 127.4MB in the beginning and 90.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 87.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.89ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 612.55ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 118.9MB in the end (delta: -35.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12528.97ms. Allocated memory was 155.2MB in the beginning and 524.3MB in the end (delta: 369.1MB). Free memory was 118.1MB in the beginning and 307.5MB in the end (delta: -189.4MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. * Witness Printer took 98.51ms. Allocated memory is still 524.3MB. Free memory was 307.5MB in the beginning and 302.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 60 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.4s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1109 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1017 mSDsluCounter, 941 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 869 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3899 IncrementalHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 72 mSDtfsCounter, 3899 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=10, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 3566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 02:34:04,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE