./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -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 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:40:56,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:40:56,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:40:56,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:40:56,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:40:56,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:40:56,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:40:56,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:40:56,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:40:56,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:40:56,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:40:56,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:40:56,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:40:56,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:40:56,608 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:40:56,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:40:56,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:40:56,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:40:56,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:40:56,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:40:56,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:40:56,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:40:56,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:40:56,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:40:56,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:40:56,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:40:56,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:40:56,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:40:56,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:40:56,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:40:56,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:40:56,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:40:56,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:40:56,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:40:56,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:40:56,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:40:56,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:40:56,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:40:56,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:40:56,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:40:56,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:40:56,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:40:56,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b [2024-10-24 01:40:56,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:40:56,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:40:56,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:40:56,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:40:56,911 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:40:56,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-10-24 01:40:58,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:40:58,722 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:40:58,724 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-10-24 01:40:58,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f3b7903/c8f127b833334b6c98d3bef9c22f0b9e/FLAG4ef66070a [2024-10-24 01:40:58,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f3b7903/c8f127b833334b6c98d3bef9c22f0b9e [2024-10-24 01:40:58,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:40:58,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:40:58,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:40:58,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:40:58,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:40:58,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:58" (1/1) ... [2024-10-24 01:40:58,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad14e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:40:58, skipping insertion in model container [2024-10-24 01:40:58,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:58" (1/1) ... [2024-10-24 01:40:58,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:40:59,233 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-10-24 01:40:59,266 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-10-24 01:40:59,372 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-10-24 01:40:59,395 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-10-24 01:40:59,476 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-10-24 01:40:59,568 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-10-24 01:40:59,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:40:59,766 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:40:59,817 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-10-24 01:40:59,826 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-10-24 01:40:59,849 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-10-24 01:40:59,861 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-10-24 01:40:59,888 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-10-24 01:40:59,928 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-10-24 01:41:00,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:41:00,038 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:41:00,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00 WrapperNode [2024-10-24 01:41:00,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:41:00,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:41:00,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:41:00,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:41:00,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,267 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6424 [2024-10-24 01:41:00,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:41:00,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:41:00,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:41:00,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:41:00,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,354 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 01:41:00,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:41:00,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:41:00,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:41:00,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:41:00,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (1/1) ... [2024-10-24 01:41:00,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:41:00,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:41:00,546 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) [2024-10-24 01:41:00,548 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 [2024-10-24 01:41:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:41:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:41:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:41:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:41:00,837 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:41:00,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:41:03,717 INFO L? ?]: Removed 1251 outVars from TransFormulas that were not future-live. [2024-10-24 01:41:03,717 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:41:03,812 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:41:03,812 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:41:03,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:03 BoogieIcfgContainer [2024-10-24 01:41:03,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:41:03,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:41:03,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:41:03,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:41:03,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:40:58" (1/3) ... [2024-10-24 01:41:03,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e0b952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:03, skipping insertion in model container [2024-10-24 01:41:03,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:00" (2/3) ... [2024-10-24 01:41:03,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e0b952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:03, skipping insertion in model container [2024-10-24 01:41:03,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:03" (3/3) ... [2024-10-24 01:41:03,823 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-10-24 01:41:03,843 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:41:03,843 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 01:41:03,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:41:03,959 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;@fd91f5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:41:03,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 01:41:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 1288 states, 1281 states have (on average 1.7728337236533958) internal successors, (2271), 1287 states have internal predecessors, (2271), 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) [2024-10-24 01:41:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 01:41:03,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:03,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:03,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:04,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2092473724, now seen corresponding path program 1 times [2024-10-24 01:41:04,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:04,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348487645] [2024-10-24 01:41:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:04,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:04,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348487645] [2024-10-24 01:41:04,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348487645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:04,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:04,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:04,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94909664] [2024-10-24 01:41:04,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:04,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:04,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:04,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:04,682 INFO L87 Difference]: Start difference. First operand has 1288 states, 1281 states have (on average 1.7728337236533958) internal successors, (2271), 1287 states have internal predecessors, (2271), 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) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-10-24 01:41:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:06,304 INFO L93 Difference]: Finished difference Result 2509 states and 4321 transitions. [2024-10-24 01:41:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:06,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) Word has length 51 [2024-10-24 01:41:06,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:06,327 INFO L225 Difference]: With dead ends: 2509 [2024-10-24 01:41:06,327 INFO L226 Difference]: Without dead ends: 1589 [2024-10-24 01:41:06,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:06,337 INFO L432 NwaCegarLoop]: 1046 mSDtfsCounter, 7089 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7089 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:06,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7089 Valid, 1542 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 01:41:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2024-10-24 01:41:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1583. [2024-10-24 01:41:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1577 states have (on average 1.3094483195941662) internal successors, (2065), 1582 states have internal predecessors, (2065), 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) [2024-10-24 01:41:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2065 transitions. [2024-10-24 01:41:06,447 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2065 transitions. Word has length 51 [2024-10-24 01:41:06,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:06,448 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2065 transitions. [2024-10-24 01:41:06,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-10-24 01:41:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2065 transitions. [2024-10-24 01:41:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 01:41:06,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:06,453 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:06,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:41:06,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1158227955, now seen corresponding path program 1 times [2024-10-24 01:41:06,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:06,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043368597] [2024-10-24 01:41:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:06,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043368597] [2024-10-24 01:41:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043368597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:06,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:06,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:06,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396885285] [2024-10-24 01:41:06,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:06,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:06,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:06,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:06,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:06,636 INFO L87 Difference]: Start difference. First operand 1583 states and 2065 transitions. Second operand has 5 states, 5 states have (on average 10.4) 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) [2024-10-24 01:41:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:07,584 INFO L93 Difference]: Finished difference Result 3197 states and 4200 transitions. [2024-10-24 01:41:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:07,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) 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) Word has length 52 [2024-10-24 01:41:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:07,593 INFO L225 Difference]: With dead ends: 3197 [2024-10-24 01:41:07,593 INFO L226 Difference]: Without dead ends: 2207 [2024-10-24 01:41:07,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:07,597 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 4976 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:07,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 1042 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:41:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2024-10-24 01:41:07,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2193. [2024-10-24 01:41:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 2187 states have (on average 1.3196159122085047) internal successors, (2886), 2192 states have internal predecessors, (2886), 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) [2024-10-24 01:41:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 2886 transitions. [2024-10-24 01:41:07,648 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 2886 transitions. Word has length 52 [2024-10-24 01:41:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:07,649 INFO L471 AbstractCegarLoop]: Abstraction has 2193 states and 2886 transitions. [2024-10-24 01:41:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) 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) [2024-10-24 01:41:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2886 transitions. [2024-10-24 01:41:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 01:41:07,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:07,654 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:07,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:41:07,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:07,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:07,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1808254749, now seen corresponding path program 1 times [2024-10-24 01:41:07,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:07,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823927170] [2024-10-24 01:41:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:07,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:07,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:07,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823927170] [2024-10-24 01:41:07,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823927170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:07,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:07,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:41:07,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427033630] [2024-10-24 01:41:07,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:07,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:07,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:07,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:07,806 INFO L87 Difference]: Start difference. First operand 2193 states and 2886 transitions. Second operand has 5 states, 5 states have (on average 10.4) 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) [2024-10-24 01:41:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:08,697 INFO L93 Difference]: Finished difference Result 4498 states and 5988 transitions. [2024-10-24 01:41:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) 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) Word has length 52 [2024-10-24 01:41:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:08,709 INFO L225 Difference]: With dead ends: 4498 [2024-10-24 01:41:08,710 INFO L226 Difference]: Without dead ends: 3071 [2024-10-24 01:41:08,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:08,714 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 4462 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:08,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 930 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:41:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2024-10-24 01:41:08,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 3061. [2024-10-24 01:41:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 3055 states have (on average 1.3237315875613749) internal successors, (4044), 3060 states have internal predecessors, (4044), 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) [2024-10-24 01:41:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 4044 transitions. [2024-10-24 01:41:08,780 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 4044 transitions. Word has length 52 [2024-10-24 01:41:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:08,780 INFO L471 AbstractCegarLoop]: Abstraction has 3061 states and 4044 transitions. [2024-10-24 01:41:08,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) 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) [2024-10-24 01:41:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 4044 transitions. [2024-10-24 01:41:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 01:41:08,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:08,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:08,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:41:08,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:08,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash 77244356, now seen corresponding path program 1 times [2024-10-24 01:41:08,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:08,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946991749] [2024-10-24 01:41:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:08,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:09,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946991749] [2024-10-24 01:41:09,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946991749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:09,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:09,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:09,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992013625] [2024-10-24 01:41:09,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:09,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:09,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:09,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:09,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:09,206 INFO L87 Difference]: Start difference. First operand 3061 states and 4044 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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) [2024-10-24 01:41:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:10,518 INFO L93 Difference]: Finished difference Result 4438 states and 5984 transitions. [2024-10-24 01:41:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:41:10,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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) Word has length 54 [2024-10-24 01:41:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:10,530 INFO L225 Difference]: With dead ends: 4438 [2024-10-24 01:41:10,531 INFO L226 Difference]: Without dead ends: 3734 [2024-10-24 01:41:10,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:10,534 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 3404 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:10,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3404 Valid, 2877 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:41:10,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2024-10-24 01:41:10,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3061. [2024-10-24 01:41:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 3055 states have (on average 1.323404255319149) internal successors, (4043), 3060 states have internal predecessors, (4043), 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) [2024-10-24 01:41:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 4043 transitions. [2024-10-24 01:41:10,593 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 4043 transitions. Word has length 54 [2024-10-24 01:41:10,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:10,593 INFO L471 AbstractCegarLoop]: Abstraction has 3061 states and 4043 transitions. [2024-10-24 01:41:10,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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) [2024-10-24 01:41:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 4043 transitions. [2024-10-24 01:41:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 01:41:10,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:10,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:10,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:41:10,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:10,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1063699171, now seen corresponding path program 1 times [2024-10-24 01:41:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:10,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403959279] [2024-10-24 01:41:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:11,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:11,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403959279] [2024-10-24 01:41:11,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403959279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:11,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:11,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:11,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871599203] [2024-10-24 01:41:11,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:11,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:11,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:11,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:11,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:11,042 INFO L87 Difference]: Start difference. First operand 3061 states and 4043 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-10-24 01:41:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:13,107 INFO L93 Difference]: Finished difference Result 5434 states and 7346 transitions. [2024-10-24 01:41:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:41:13,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) Word has length 54 [2024-10-24 01:41:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:13,123 INFO L225 Difference]: With dead ends: 5434 [2024-10-24 01:41:13,123 INFO L226 Difference]: Without dead ends: 4864 [2024-10-24 01:41:13,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:41:13,125 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 3843 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 3840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:13,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 3910 Invalid, 3840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 3789 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 01:41:13,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2024-10-24 01:41:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 3061. [2024-10-24 01:41:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 3055 states have (on average 1.323076923076923) internal successors, (4042), 3060 states have internal predecessors, (4042), 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) [2024-10-24 01:41:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 4042 transitions. [2024-10-24 01:41:13,199 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 4042 transitions. Word has length 54 [2024-10-24 01:41:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:13,199 INFO L471 AbstractCegarLoop]: Abstraction has 3061 states and 4042 transitions. [2024-10-24 01:41:13,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-10-24 01:41:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 4042 transitions. [2024-10-24 01:41:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 01:41:13,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:13,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:13,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:41:13,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:13,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1340474756, now seen corresponding path program 1 times [2024-10-24 01:41:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:13,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859274010] [2024-10-24 01:41:13,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:13,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:13,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:13,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859274010] [2024-10-24 01:41:13,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859274010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:13,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:13,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:13,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137754487] [2024-10-24 01:41:13,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:13,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:13,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:13,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:13,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:13,554 INFO L87 Difference]: Start difference. First operand 3061 states and 4042 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-10-24 01:41:14,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:14,861 INFO L93 Difference]: Finished difference Result 3818 states and 5038 transitions. [2024-10-24 01:41:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:41:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) Word has length 54 [2024-10-24 01:41:14,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:14,873 INFO L225 Difference]: With dead ends: 3818 [2024-10-24 01:41:14,873 INFO L226 Difference]: Without dead ends: 3812 [2024-10-24 01:41:14,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:41:14,876 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 4528 mSDsluCounter, 2162 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4528 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:14,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4528 Valid, 2815 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 01:41:14,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2024-10-24 01:41:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3061. [2024-10-24 01:41:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 3055 states have (on average 1.3227495908346971) internal successors, (4041), 3060 states have internal predecessors, (4041), 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) [2024-10-24 01:41:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 4041 transitions. [2024-10-24 01:41:14,939 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 4041 transitions. Word has length 54 [2024-10-24 01:41:14,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:14,940 INFO L471 AbstractCegarLoop]: Abstraction has 3061 states and 4041 transitions. [2024-10-24 01:41:14,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-10-24 01:41:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 4041 transitions. [2024-10-24 01:41:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 01:41:14,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:14,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:14,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:41:14,944 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:14,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:14,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1906140159, now seen corresponding path program 1 times [2024-10-24 01:41:14,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:14,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394285301] [2024-10-24 01:41:14,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:14,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:15,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394285301] [2024-10-24 01:41:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394285301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:15,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338884236] [2024-10-24 01:41:15,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:15,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:15,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,023 INFO L87 Difference]: Start difference. First operand 3061 states and 4041 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:15,082 INFO L93 Difference]: Finished difference Result 4017 states and 5490 transitions. [2024-10-24 01:41:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:15,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) Word has length 55 [2024-10-24 01:41:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:15,090 INFO L225 Difference]: With dead ends: 4017 [2024-10-24 01:41:15,091 INFO L226 Difference]: Without dead ends: 3080 [2024-10-24 01:41:15,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,093 INFO L432 NwaCegarLoop]: 1184 mSDtfsCounter, 579 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:15,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1788 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2024-10-24 01:41:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3078. [2024-10-24 01:41:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3078 states, 3072 states have (on average 1.3388671875) internal successors, (4113), 3077 states have internal predecessors, (4113), 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) [2024-10-24 01:41:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 3078 states and 4113 transitions. [2024-10-24 01:41:15,183 INFO L78 Accepts]: Start accepts. Automaton has 3078 states and 4113 transitions. Word has length 55 [2024-10-24 01:41:15,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:15,183 INFO L471 AbstractCegarLoop]: Abstraction has 3078 states and 4113 transitions. [2024-10-24 01:41:15,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 4113 transitions. [2024-10-24 01:41:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 01:41:15,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:15,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:15,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:41:15,187 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:15,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:15,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1049277419, now seen corresponding path program 1 times [2024-10-24 01:41:15,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:15,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742072736] [2024-10-24 01:41:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:15,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:15,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742072736] [2024-10-24 01:41:15,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742072736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:15,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:15,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:15,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052783863] [2024-10-24 01:41:15,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:15,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:15,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,261 INFO L87 Difference]: Start difference. First operand 3078 states and 4113 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:15,330 INFO L93 Difference]: Finished difference Result 4752 states and 6648 transitions. [2024-10-24 01:41:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:15,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) Word has length 55 [2024-10-24 01:41:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:15,341 INFO L225 Difference]: With dead ends: 4752 [2024-10-24 01:41:15,341 INFO L226 Difference]: Without dead ends: 3508 [2024-10-24 01:41:15,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,344 INFO L432 NwaCegarLoop]: 1143 mSDtfsCounter, 587 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:15,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1726 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2024-10-24 01:41:15,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3506. [2024-10-24 01:41:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 3500 states have (on average 1.3702857142857143) internal successors, (4796), 3505 states have internal predecessors, (4796), 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) [2024-10-24 01:41:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4796 transitions. [2024-10-24 01:41:15,395 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4796 transitions. Word has length 55 [2024-10-24 01:41:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:15,395 INFO L471 AbstractCegarLoop]: Abstraction has 3506 states and 4796 transitions. [2024-10-24 01:41:15,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4796 transitions. [2024-10-24 01:41:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 01:41:15,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:15,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:15,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:41:15,398 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:15,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash 772696843, now seen corresponding path program 1 times [2024-10-24 01:41:15,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:15,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748038810] [2024-10-24 01:41:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:15,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:15,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748038810] [2024-10-24 01:41:15,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748038810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:15,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:15,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:15,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203940838] [2024-10-24 01:41:15,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:15,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:15,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:15,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:15,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,470 INFO L87 Difference]: Start difference. First operand 3506 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:15,606 INFO L93 Difference]: Finished difference Result 7488 states and 10500 transitions. [2024-10-24 01:41:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:15,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) Word has length 55 [2024-10-24 01:41:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:15,627 INFO L225 Difference]: With dead ends: 7488 [2024-10-24 01:41:15,628 INFO L226 Difference]: Without dead ends: 5079 [2024-10-24 01:41:15,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:15,633 INFO L432 NwaCegarLoop]: 1213 mSDtfsCounter, 657 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:15,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1961 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:15,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2024-10-24 01:41:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5073. [2024-10-24 01:41:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 5067 states have (on average 1.3682652457075193) internal successors, (6933), 5072 states have internal predecessors, (6933), 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) [2024-10-24 01:41:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 6933 transitions. [2024-10-24 01:41:15,708 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 6933 transitions. Word has length 55 [2024-10-24 01:41:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:15,708 INFO L471 AbstractCegarLoop]: Abstraction has 5073 states and 6933 transitions. [2024-10-24 01:41:15,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 01:41:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 6933 transitions. [2024-10-24 01:41:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 01:41:15,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:15,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:15,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:41:15,712 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:15,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:15,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2137132613, now seen corresponding path program 1 times [2024-10-24 01:41:15,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247610842] [2024-10-24 01:41:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:15,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:16,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247610842] [2024-10-24 01:41:16,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247610842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:16,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:16,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 01:41:16,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654950177] [2024-10-24 01:41:16,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:16,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 01:41:16,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:16,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 01:41:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 01:41:16,309 INFO L87 Difference]: Start difference. First operand 5073 states and 6933 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 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) [2024-10-24 01:41:17,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:17,562 INFO L93 Difference]: Finished difference Result 9878 states and 13727 transitions. [2024-10-24 01:41:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:41:17,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 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) Word has length 56 [2024-10-24 01:41:17,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:17,584 INFO L225 Difference]: With dead ends: 9878 [2024-10-24 01:41:17,584 INFO L226 Difference]: Without dead ends: 9815 [2024-10-24 01:41:17,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-10-24 01:41:17,589 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 2489 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 6005 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:17,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 6005 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:41:17,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2024-10-24 01:41:17,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 5060. [2024-10-24 01:41:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 5055 states have (on average 1.368545994065282) internal successors, (6918), 5059 states have internal predecessors, (6918), 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) [2024-10-24 01:41:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 6918 transitions. [2024-10-24 01:41:17,754 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 6918 transitions. Word has length 56 [2024-10-24 01:41:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:17,755 INFO L471 AbstractCegarLoop]: Abstraction has 5060 states and 6918 transitions. [2024-10-24 01:41:17,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 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) [2024-10-24 01:41:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 6918 transitions. [2024-10-24 01:41:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 01:41:17,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:17,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:17,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:41:17,759 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:17,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:17,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1716509337, now seen corresponding path program 1 times [2024-10-24 01:41:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:17,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004220003] [2024-10-24 01:41:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:17,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:17,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004220003] [2024-10-24 01:41:17,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004220003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:17,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:17,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:17,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818318520] [2024-10-24 01:41:17,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:17,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:17,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:17,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:17,844 INFO L87 Difference]: Start difference. First operand 5060 states and 6918 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:17,968 INFO L93 Difference]: Finished difference Result 9490 states and 13199 transitions. [2024-10-24 01:41:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:17,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2024-10-24 01:41:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:17,980 INFO L225 Difference]: With dead ends: 9490 [2024-10-24 01:41:17,980 INFO L226 Difference]: Without dead ends: 5439 [2024-10-24 01:41:17,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:17,988 INFO L432 NwaCegarLoop]: 824 mSDtfsCounter, 820 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:17,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1219 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-10-24 01:41:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 4346. [2024-10-24 01:41:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4342 states have (on average 1.3846153846153846) internal successors, (6012), 4345 states have internal predecessors, (6012), 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) [2024-10-24 01:41:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 6012 transitions. [2024-10-24 01:41:18,065 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 6012 transitions. Word has length 56 [2024-10-24 01:41:18,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:18,066 INFO L471 AbstractCegarLoop]: Abstraction has 4346 states and 6012 transitions. [2024-10-24 01:41:18,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 6012 transitions. [2024-10-24 01:41:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 01:41:18,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:18,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:18,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:41:18,072 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:18,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:18,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1650159387, now seen corresponding path program 1 times [2024-10-24 01:41:18,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:18,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027322738] [2024-10-24 01:41:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:18,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:18,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027322738] [2024-10-24 01:41:18,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027322738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:18,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:18,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:18,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320731797] [2024-10-24 01:41:18,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:18,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:18,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:18,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:18,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:18,144 INFO L87 Difference]: Start difference. First operand 4346 states and 6012 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:18,235 INFO L93 Difference]: Finished difference Result 8376 states and 11805 transitions. [2024-10-24 01:41:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2024-10-24 01:41:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:18,245 INFO L225 Difference]: With dead ends: 8376 [2024-10-24 01:41:18,245 INFO L226 Difference]: Without dead ends: 4764 [2024-10-24 01:41:18,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:18,252 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 638 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:18,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1000 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4764 states. [2024-10-24 01:41:18,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4764 to 3817. [2024-10-24 01:41:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 3814 states have (on average 1.3977451494493969) internal successors, (5331), 3816 states have internal predecessors, (5331), 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) [2024-10-24 01:41:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 5331 transitions. [2024-10-24 01:41:18,309 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 5331 transitions. Word has length 56 [2024-10-24 01:41:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:18,309 INFO L471 AbstractCegarLoop]: Abstraction has 3817 states and 5331 transitions. [2024-10-24 01:41:18,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 5331 transitions. [2024-10-24 01:41:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 01:41:18,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:18,312 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:18,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:41:18,312 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:18,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash 235795551, now seen corresponding path program 1 times [2024-10-24 01:41:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371272715] [2024-10-24 01:41:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:18,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:18,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:18,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371272715] [2024-10-24 01:41:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371272715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:18,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:18,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:18,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943634075] [2024-10-24 01:41:18,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:18,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:18,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:18,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:18,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:18,378 INFO L87 Difference]: Start difference. First operand 3817 states and 5331 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:18,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:18,499 INFO L93 Difference]: Finished difference Result 7681 states and 10898 transitions. [2024-10-24 01:41:18,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:18,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2024-10-24 01:41:18,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:18,507 INFO L225 Difference]: With dead ends: 7681 [2024-10-24 01:41:18,507 INFO L226 Difference]: Without dead ends: 4205 [2024-10-24 01:41:18,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:18,512 INFO L432 NwaCegarLoop]: 641 mSDtfsCounter, 549 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:18,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 902 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:18,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4205 states. [2024-10-24 01:41:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 3370. [2024-10-24 01:41:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 3367 states have (on average 1.4134244134244134) internal successors, (4759), 3369 states have internal predecessors, (4759), 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) [2024-10-24 01:41:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4759 transitions. [2024-10-24 01:41:18,559 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4759 transitions. Word has length 56 [2024-10-24 01:41:18,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:18,559 INFO L471 AbstractCegarLoop]: Abstraction has 3370 states and 4759 transitions. [2024-10-24 01:41:18,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-10-24 01:41:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4759 transitions. [2024-10-24 01:41:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 01:41:18,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:18,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:18,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:41:18,562 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:18,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1739046160, now seen corresponding path program 1 times [2024-10-24 01:41:18,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:18,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675804982] [2024-10-24 01:41:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:19,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:19,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675804982] [2024-10-24 01:41:19,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675804982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:19,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:19,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-24 01:41:19,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434050751] [2024-10-24 01:41:19,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:19,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 01:41:19,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:19,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 01:41:19,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-10-24 01:41:19,588 INFO L87 Difference]: Start difference. First operand 3370 states and 4759 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 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) [2024-10-24 01:41:21,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:21,369 INFO L93 Difference]: Finished difference Result 6671 states and 9437 transitions. [2024-10-24 01:41:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 01:41:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 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) Word has length 57 [2024-10-24 01:41:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:21,377 INFO L225 Difference]: With dead ends: 6671 [2024-10-24 01:41:21,378 INFO L226 Difference]: Without dead ends: 6667 [2024-10-24 01:41:21,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2024-10-24 01:41:21,382 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 4467 mSDsluCounter, 5753 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4467 SdHoareTripleChecker+Valid, 6341 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:21,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4467 Valid, 6341 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:41:21,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2024-10-24 01:41:21,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 3383. [2024-10-24 01:41:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3380 states have (on average 1.4133136094674557) internal successors, (4777), 3382 states have internal predecessors, (4777), 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) [2024-10-24 01:41:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4777 transitions. [2024-10-24 01:41:21,438 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4777 transitions. Word has length 57 [2024-10-24 01:41:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:21,438 INFO L471 AbstractCegarLoop]: Abstraction has 3383 states and 4777 transitions. [2024-10-24 01:41:21,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 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) [2024-10-24 01:41:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4777 transitions. [2024-10-24 01:41:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 01:41:21,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:21,440 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:21,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:41:21,440 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:21,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash 503772602, now seen corresponding path program 1 times [2024-10-24 01:41:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:21,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042832424] [2024-10-24 01:41:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:22,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:22,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042832424] [2024-10-24 01:41:22,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042832424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:22,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:22,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:41:22,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024017559] [2024-10-24 01:41:22,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:22,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:41:22,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:22,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:41:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:41:22,026 INFO L87 Difference]: Start difference. First operand 3383 states and 4777 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-10-24 01:41:23,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:23,031 INFO L93 Difference]: Finished difference Result 9437 states and 13492 transitions. [2024-10-24 01:41:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 01:41:23,031 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) Word has length 57 [2024-10-24 01:41:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:23,042 INFO L225 Difference]: With dead ends: 9437 [2024-10-24 01:41:23,043 INFO L226 Difference]: Without dead ends: 9433 [2024-10-24 01:41:23,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-10-24 01:41:23,047 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 3975 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3975 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:23,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3975 Valid, 4171 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:41:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-10-24 01:41:23,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 3379. [2024-10-24 01:41:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 3377 states have (on average 1.4133846609416643) internal successors, (4773), 3378 states have internal predecessors, (4773), 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) [2024-10-24 01:41:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4773 transitions. [2024-10-24 01:41:23,107 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4773 transitions. Word has length 57 [2024-10-24 01:41:23,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:23,107 INFO L471 AbstractCegarLoop]: Abstraction has 3379 states and 4773 transitions. [2024-10-24 01:41:23,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-10-24 01:41:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4773 transitions. [2024-10-24 01:41:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 01:41:23,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:23,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:23,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:41:23,109 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:23,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:23,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1619640221, now seen corresponding path program 1 times [2024-10-24 01:41:23,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:23,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423860485] [2024-10-24 01:41:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:23,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:23,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423860485] [2024-10-24 01:41:23,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423860485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:23,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:23,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 01:41:23,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474683973] [2024-10-24 01:41:23,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:23,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 01:41:23,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:23,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 01:41:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 01:41:23,706 INFO L87 Difference]: Start difference. First operand 3379 states and 4773 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 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) [2024-10-24 01:41:24,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:24,316 INFO L93 Difference]: Finished difference Result 5992 states and 8489 transitions. [2024-10-24 01:41:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:41:24,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 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) Word has length 58 [2024-10-24 01:41:24,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:24,323 INFO L225 Difference]: With dead ends: 5992 [2024-10-24 01:41:24,323 INFO L226 Difference]: Without dead ends: 5908 [2024-10-24 01:41:24,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-10-24 01:41:24,325 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 2420 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 2797 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:24,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 2797 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:41:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5908 states. [2024-10-24 01:41:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5908 to 3337. [2024-10-24 01:41:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3337 states, 3336 states have (on average 1.4142685851318946) internal successors, (4718), 3336 states have internal predecessors, (4718), 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) [2024-10-24 01:41:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 4718 transitions. [2024-10-24 01:41:24,381 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 4718 transitions. Word has length 58 [2024-10-24 01:41:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 3337 states and 4718 transitions. [2024-10-24 01:41:24,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 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) [2024-10-24 01:41:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 4718 transitions. [2024-10-24 01:41:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 01:41:24,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:24,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:24,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:41:24,384 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:24,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:24,385 INFO L85 PathProgramCache]: Analyzing trace with hash -757497056, now seen corresponding path program 1 times [2024-10-24 01:41:24,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:24,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160593212] [2024-10-24 01:41:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:24,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:24,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:24,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160593212] [2024-10-24 01:41:24,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160593212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:24,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:24,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:24,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118937980] [2024-10-24 01:41:24,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:24,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:24,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:24,485 INFO L87 Difference]: Start difference. First operand 3337 states and 4718 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-10-24 01:41:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:24,593 INFO L93 Difference]: Finished difference Result 10455 states and 15112 transitions. [2024-10-24 01:41:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:24,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) Word has length 65 [2024-10-24 01:41:24,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:24,603 INFO L225 Difference]: With dead ends: 10455 [2024-10-24 01:41:24,604 INFO L226 Difference]: Without dead ends: 7669 [2024-10-24 01:41:24,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:24,610 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 1582 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:24,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 1109 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:24,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7669 states. [2024-10-24 01:41:24,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7669 to 5813. [2024-10-24 01:41:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5812 states have (on average 1.413282863041982) internal successors, (8214), 5812 states have internal predecessors, (8214), 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) [2024-10-24 01:41:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 8214 transitions. [2024-10-24 01:41:24,697 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 8214 transitions. Word has length 65 [2024-10-24 01:41:24,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:24,698 INFO L471 AbstractCegarLoop]: Abstraction has 5813 states and 8214 transitions. [2024-10-24 01:41:24,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-10-24 01:41:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 8214 transitions. [2024-10-24 01:41:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:41:24,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:24,701 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:24,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:41:24,701 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:24,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:24,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1973335583, now seen corresponding path program 1 times [2024-10-24 01:41:24,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:24,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366825648] [2024-10-24 01:41:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:24,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:24,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:24,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366825648] [2024-10-24 01:41:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366825648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:24,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:24,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:24,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432254864] [2024-10-24 01:41:24,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:24,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:24,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:24,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:24,869 INFO L87 Difference]: Start difference. First operand 5813 states and 8214 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-10-24 01:41:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:24,970 INFO L93 Difference]: Finished difference Result 9119 states and 12933 transitions. [2024-10-24 01:41:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:24,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) Word has length 66 [2024-10-24 01:41:24,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:24,975 INFO L225 Difference]: With dead ends: 9119 [2024-10-24 01:41:24,976 INFO L226 Difference]: Without dead ends: 3835 [2024-10-24 01:41:24,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:24,983 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 636 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:24,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 909 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:24,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2024-10-24 01:41:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3831. [2024-10-24 01:41:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3830 states have (on average 1.387728459530026) internal successors, (5315), 3830 states have internal predecessors, (5315), 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) [2024-10-24 01:41:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5315 transitions. [2024-10-24 01:41:25,049 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5315 transitions. Word has length 66 [2024-10-24 01:41:25,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:25,049 INFO L471 AbstractCegarLoop]: Abstraction has 3831 states and 5315 transitions. [2024-10-24 01:41:25,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-10-24 01:41:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5315 transitions. [2024-10-24 01:41:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:41:25,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:25,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:25,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:41:25,053 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:25,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:25,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1468543707, now seen corresponding path program 1 times [2024-10-24 01:41:25,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777470649] [2024-10-24 01:41:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:25,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:25,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777470649] [2024-10-24 01:41:25,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777470649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:25,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:25,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:25,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431760712] [2024-10-24 01:41:25,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:25,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:25,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:25,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:25,182 INFO L87 Difference]: Start difference. First operand 3831 states and 5315 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-24 01:41:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:25,249 INFO L93 Difference]: Finished difference Result 10121 states and 14241 transitions. [2024-10-24 01:41:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:25,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) Word has length 68 [2024-10-24 01:41:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:25,258 INFO L225 Difference]: With dead ends: 10121 [2024-10-24 01:41:25,258 INFO L226 Difference]: Without dead ends: 6819 [2024-10-24 01:41:25,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:25,263 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 277 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:25,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 863 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6819 states. [2024-10-24 01:41:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6819 to 6401. [2024-10-24 01:41:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 6400 states have (on average 1.39109375) internal successors, (8903), 6400 states have internal predecessors, (8903), 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) [2024-10-24 01:41:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8903 transitions. [2024-10-24 01:41:25,341 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8903 transitions. Word has length 68 [2024-10-24 01:41:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:25,341 INFO L471 AbstractCegarLoop]: Abstraction has 6401 states and 8903 transitions. [2024-10-24 01:41:25,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-24 01:41:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8903 transitions. [2024-10-24 01:41:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:41:25,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:25,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:25,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:41:25,344 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:25,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2109199581, now seen corresponding path program 1 times [2024-10-24 01:41:25,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580878055] [2024-10-24 01:41:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580878055] [2024-10-24 01:41:25,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580878055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:25,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:25,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:25,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545132143] [2024-10-24 01:41:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:25,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:25,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:25,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:25,457 INFO L87 Difference]: Start difference. First operand 6401 states and 8903 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-10-24 01:41:25,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:25,542 INFO L93 Difference]: Finished difference Result 17519 states and 24499 transitions. [2024-10-24 01:41:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:25,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) Word has length 71 [2024-10-24 01:41:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:25,556 INFO L225 Difference]: With dead ends: 17519 [2024-10-24 01:41:25,556 INFO L226 Difference]: Without dead ends: 11631 [2024-10-24 01:41:25,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:25,567 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 322 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:25,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 823 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:25,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11631 states. [2024-10-24 01:41:25,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11631 to 10797. [2024-10-24 01:41:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10797 states, 10796 states have (on average 1.3828269729529454) internal successors, (14929), 10796 states have internal predecessors, (14929), 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) [2024-10-24 01:41:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10797 states to 10797 states and 14929 transitions. [2024-10-24 01:41:25,697 INFO L78 Accepts]: Start accepts. Automaton has 10797 states and 14929 transitions. Word has length 71 [2024-10-24 01:41:25,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:25,698 INFO L471 AbstractCegarLoop]: Abstraction has 10797 states and 14929 transitions. [2024-10-24 01:41:25,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-10-24 01:41:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 10797 states and 14929 transitions. [2024-10-24 01:41:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:41:25,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:25,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:25,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:41:25,703 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:25,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1039211364, now seen corresponding path program 1 times [2024-10-24 01:41:25,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:25,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887880436] [2024-10-24 01:41:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:25,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:25,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887880436] [2024-10-24 01:41:25,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887880436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:25,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:25,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:25,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126284020] [2024-10-24 01:41:25,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:25,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:41:25,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:25,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:41:25,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:41:25,969 INFO L87 Difference]: Start difference. First operand 10797 states and 14929 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2024-10-24 01:41:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:26,063 INFO L93 Difference]: Finished difference Result 11687 states and 16114 transitions. [2024-10-24 01:41:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:41:26,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) Word has length 71 [2024-10-24 01:41:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:26,078 INFO L225 Difference]: With dead ends: 11687 [2024-10-24 01:41:26,078 INFO L226 Difference]: Without dead ends: 11685 [2024-10-24 01:41:26,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:41:26,084 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 0 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:26,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2558 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:26,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11685 states. [2024-10-24 01:41:26,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11685 to 11685. [2024-10-24 01:41:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11685 states, 11684 states have (on average 1.3537315987675453) internal successors, (15817), 11684 states have internal predecessors, (15817), 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) [2024-10-24 01:41:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11685 states to 11685 states and 15817 transitions. [2024-10-24 01:41:26,221 INFO L78 Accepts]: Start accepts. Automaton has 11685 states and 15817 transitions. Word has length 71 [2024-10-24 01:41:26,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:26,222 INFO L471 AbstractCegarLoop]: Abstraction has 11685 states and 15817 transitions. [2024-10-24 01:41:26,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2024-10-24 01:41:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 11685 states and 15817 transitions. [2024-10-24 01:41:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 01:41:26,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:26,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:26,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:41:26,225 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:26,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2028938757, now seen corresponding path program 1 times [2024-10-24 01:41:26,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:26,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610177005] [2024-10-24 01:41:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:26,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:26,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610177005] [2024-10-24 01:41:26,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610177005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:26,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:26,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:41:26,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337189621] [2024-10-24 01:41:26,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:26,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:41:26,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:41:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:26,296 INFO L87 Difference]: Start difference. First operand 11685 states and 15817 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-10-24 01:41:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:26,411 INFO L93 Difference]: Finished difference Result 31587 states and 42789 transitions. [2024-10-24 01:41:26,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:41:26,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) Word has length 72 [2024-10-24 01:41:26,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:26,435 INFO L225 Difference]: With dead ends: 31587 [2024-10-24 01:41:26,436 INFO L226 Difference]: Without dead ends: 20417 [2024-10-24 01:41:26,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:41:26,450 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 291 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:26,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 809 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:41:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20417 states. [2024-10-24 01:41:26,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20417 to 20415. [2024-10-24 01:41:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20415 states, 20414 states have (on average 1.3349172136768883) internal successors, (27251), 20414 states have internal predecessors, (27251), 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) [2024-10-24 01:41:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20415 states to 20415 states and 27251 transitions. [2024-10-24 01:41:26,752 INFO L78 Accepts]: Start accepts. Automaton has 20415 states and 27251 transitions. Word has length 72 [2024-10-24 01:41:26,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:26,753 INFO L471 AbstractCegarLoop]: Abstraction has 20415 states and 27251 transitions. [2024-10-24 01:41:26,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-10-24 01:41:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 20415 states and 27251 transitions. [2024-10-24 01:41:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:41:26,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:26,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:26,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:41:26,756 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:26,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:26,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1347861653, now seen corresponding path program 1 times [2024-10-24 01:41:26,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:26,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880950405] [2024-10-24 01:41:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:26,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:26,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880950405] [2024-10-24 01:41:26,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880950405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:26,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:26,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:26,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038112989] [2024-10-24 01:41:26,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:26,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:26,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:26,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:26,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:26,865 INFO L87 Difference]: Start difference. First operand 20415 states and 27251 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-10-24 01:41:27,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:27,022 INFO L93 Difference]: Finished difference Result 35909 states and 48129 transitions. [2024-10-24 01:41:27,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:27,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) Word has length 76 [2024-10-24 01:41:27,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:27,052 INFO L225 Difference]: With dead ends: 35909 [2024-10-24 01:41:27,053 INFO L226 Difference]: Without dead ends: 29379 [2024-10-24 01:41:27,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:27,065 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 993 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:27,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1400 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29379 states. [2024-10-24 01:41:27,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29379 to 25597. [2024-10-24 01:41:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25597 states, 25596 states have (on average 1.3304031879981246) internal successors, (34053), 25596 states have internal predecessors, (34053), 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) [2024-10-24 01:41:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25597 states to 25597 states and 34053 transitions. [2024-10-24 01:41:27,525 INFO L78 Accepts]: Start accepts. Automaton has 25597 states and 34053 transitions. Word has length 76 [2024-10-24 01:41:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:27,525 INFO L471 AbstractCegarLoop]: Abstraction has 25597 states and 34053 transitions. [2024-10-24 01:41:27,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-10-24 01:41:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 25597 states and 34053 transitions. [2024-10-24 01:41:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:41:27,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:27,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:27,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:41:27,529 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:27,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:27,529 INFO L85 PathProgramCache]: Analyzing trace with hash 196878916, now seen corresponding path program 1 times [2024-10-24 01:41:27,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:27,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956852602] [2024-10-24 01:41:27,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:27,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:27,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956852602] [2024-10-24 01:41:27,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956852602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:27,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:27,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:27,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948658629] [2024-10-24 01:41:27,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:27,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:27,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:27,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:27,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:27,823 INFO L87 Difference]: Start difference. First operand 25597 states and 34053 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-24 01:41:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:27,995 INFO L93 Difference]: Finished difference Result 39385 states and 52637 transitions. [2024-10-24 01:41:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) Word has length 77 [2024-10-24 01:41:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:28,035 INFO L225 Difference]: With dead ends: 39385 [2024-10-24 01:41:28,035 INFO L226 Difference]: Without dead ends: 32855 [2024-10-24 01:41:28,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:28,051 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 971 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:28,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1365 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:28,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32855 states. [2024-10-24 01:41:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32855 to 30777. [2024-10-24 01:41:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30777 states, 30776 states have (on average 1.3274304652976345) internal successors, (40853), 30776 states have internal predecessors, (40853), 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) [2024-10-24 01:41:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30777 states to 30777 states and 40853 transitions. [2024-10-24 01:41:28,455 INFO L78 Accepts]: Start accepts. Automaton has 30777 states and 40853 transitions. Word has length 77 [2024-10-24 01:41:28,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:28,455 INFO L471 AbstractCegarLoop]: Abstraction has 30777 states and 40853 transitions. [2024-10-24 01:41:28,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-24 01:41:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30777 states and 40853 transitions. [2024-10-24 01:41:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:41:28,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:28,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:28,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:41:28,459 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:28,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:28,460 INFO L85 PathProgramCache]: Analyzing trace with hash -231124447, now seen corresponding path program 1 times [2024-10-24 01:41:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:28,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849038171] [2024-10-24 01:41:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:28,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849038171] [2024-10-24 01:41:28,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849038171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:28,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:28,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:28,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772372560] [2024-10-24 01:41:28,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:28,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:28,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:28,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:28,730 INFO L87 Difference]: Start difference. First operand 30777 states and 40853 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-24 01:41:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:28,879 INFO L93 Difference]: Finished difference Result 44629 states and 59421 transitions. [2024-10-24 01:41:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:28,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) Word has length 77 [2024-10-24 01:41:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:28,920 INFO L225 Difference]: With dead ends: 44629 [2024-10-24 01:41:28,920 INFO L226 Difference]: Without dead ends: 38059 [2024-10-24 01:41:28,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:28,934 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 1106 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:28,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1237 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:28,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38059 states. [2024-10-24 01:41:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38059 to 35981. [2024-10-24 01:41:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35981 states, 35980 states have (on average 1.3243190661478599) internal successors, (47649), 35980 states have internal predecessors, (47649), 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) [2024-10-24 01:41:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35981 states to 35981 states and 47649 transitions. [2024-10-24 01:41:29,496 INFO L78 Accepts]: Start accepts. Automaton has 35981 states and 47649 transitions. Word has length 77 [2024-10-24 01:41:29,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:29,496 INFO L471 AbstractCegarLoop]: Abstraction has 35981 states and 47649 transitions. [2024-10-24 01:41:29,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-24 01:41:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 35981 states and 47649 transitions. [2024-10-24 01:41:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:41:29,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:29,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:29,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:41:29,509 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:29,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:29,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2004849382, now seen corresponding path program 1 times [2024-10-24 01:41:29,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:29,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285835383] [2024-10-24 01:41:29,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:29,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:29,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:29,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285835383] [2024-10-24 01:41:29,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285835383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:29,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:29,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:29,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273135007] [2024-10-24 01:41:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:29,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:41:29,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:41:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:41:29,742 INFO L87 Difference]: Start difference. First operand 35981 states and 47649 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2024-10-24 01:41:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:30,109 INFO L93 Difference]: Finished difference Result 56515 states and 75084 transitions. [2024-10-24 01:41:30,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:41:30,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) Word has length 84 [2024-10-24 01:41:30,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:30,164 INFO L225 Difference]: With dead ends: 56515 [2024-10-24 01:41:30,164 INFO L226 Difference]: Without dead ends: 44805 [2024-10-24 01:41:30,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:41:30,178 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 1166 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:30,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 1598 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:30,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44805 states. [2024-10-24 01:41:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44805 to 41085. [2024-10-24 01:41:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41085 states, 41084 states have (on average 1.3250170382630708) internal successors, (54437), 41084 states have internal predecessors, (54437), 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) [2024-10-24 01:41:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41085 states to 41085 states and 54437 transitions. [2024-10-24 01:41:30,690 INFO L78 Accepts]: Start accepts. Automaton has 41085 states and 54437 transitions. Word has length 84 [2024-10-24 01:41:30,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:30,690 INFO L471 AbstractCegarLoop]: Abstraction has 41085 states and 54437 transitions. [2024-10-24 01:41:30,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2024-10-24 01:41:30,690 INFO L276 IsEmpty]: Start isEmpty. Operand 41085 states and 54437 transitions. [2024-10-24 01:41:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:41:30,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:30,694 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:30,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:41:30,694 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:30,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:30,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1244346189, now seen corresponding path program 1 times [2024-10-24 01:41:30,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:30,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359560749] [2024-10-24 01:41:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:30,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:31,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359560749] [2024-10-24 01:41:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359560749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:31,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:41:31,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683372478] [2024-10-24 01:41:31,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:31,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:41:31,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:31,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:41:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:41:31,062 INFO L87 Difference]: Start difference. First operand 41085 states and 54437 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-10-24 01:41:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:31,434 INFO L93 Difference]: Finished difference Result 65599 states and 86908 transitions. [2024-10-24 01:41:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:41:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) Word has length 84 [2024-10-24 01:41:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:31,482 INFO L225 Difference]: With dead ends: 65599 [2024-10-24 01:41:31,483 INFO L226 Difference]: Without dead ends: 46325 [2024-10-24 01:41:31,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:31,499 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 1090 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:31,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1237 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:41:31,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46325 states. [2024-10-24 01:41:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46325 to 40809. [2024-10-24 01:41:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40809 states, 40808 states have (on average 1.3227063320917467) internal successors, (53977), 40808 states have internal predecessors, (53977), 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) [2024-10-24 01:41:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40809 states to 40809 states and 53977 transitions. [2024-10-24 01:41:32,016 INFO L78 Accepts]: Start accepts. Automaton has 40809 states and 53977 transitions. Word has length 84 [2024-10-24 01:41:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:32,016 INFO L471 AbstractCegarLoop]: Abstraction has 40809 states and 53977 transitions. [2024-10-24 01:41:32,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-10-24 01:41:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 40809 states and 53977 transitions. [2024-10-24 01:41:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 01:41:32,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:32,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:32,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:41:32,020 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:32,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1966767005, now seen corresponding path program 1 times [2024-10-24 01:41:32,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:32,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236931450] [2024-10-24 01:41:32,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:32,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:32,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:32,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236931450] [2024-10-24 01:41:32,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236931450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:32,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:41:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804323329] [2024-10-24 01:41:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:32,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:41:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:41:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:41:32,161 INFO L87 Difference]: Start difference. First operand 40809 states and 53977 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-10-24 01:41:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:32,906 INFO L93 Difference]: Finished difference Result 50411 states and 66615 transitions. [2024-10-24 01:41:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:41:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 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) Word has length 85 [2024-10-24 01:41:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:32,960 INFO L225 Difference]: With dead ends: 50411 [2024-10-24 01:41:32,961 INFO L226 Difference]: Without dead ends: 49281 [2024-10-24 01:41:32,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:41:32,976 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 2126 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:32,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 673 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:41:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49281 states. [2024-10-24 01:41:33,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49281 to 40807. [2024-10-24 01:41:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40807 states, 40806 states have (on average 1.3226731363034847) internal successors, (53973), 40806 states have internal predecessors, (53973), 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) [2024-10-24 01:41:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40807 states to 40807 states and 53973 transitions. [2024-10-24 01:41:33,457 INFO L78 Accepts]: Start accepts. Automaton has 40807 states and 53973 transitions. Word has length 85 [2024-10-24 01:41:33,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:33,458 INFO L471 AbstractCegarLoop]: Abstraction has 40807 states and 53973 transitions. [2024-10-24 01:41:33,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-10-24 01:41:33,458 INFO L276 IsEmpty]: Start isEmpty. Operand 40807 states and 53973 transitions. [2024-10-24 01:41:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:41:33,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:33,464 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:33,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:41:33,464 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:33,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1926310259, now seen corresponding path program 1 times [2024-10-24 01:41:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:33,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743114160] [2024-10-24 01:41:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:34,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743114160] [2024-10-24 01:41:34,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743114160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:34,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:34,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:41:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639852214] [2024-10-24 01:41:34,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:34,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:41:34,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:34,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:41:34,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:41:34,132 INFO L87 Difference]: Start difference. First operand 40807 states and 53973 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-10-24 01:41:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:35,257 INFO L93 Difference]: Finished difference Result 90415 states and 118703 transitions. [2024-10-24 01:41:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 01:41:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 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) Word has length 92 [2024-10-24 01:41:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:35,348 INFO L225 Difference]: With dead ends: 90415 [2024-10-24 01:41:35,348 INFO L226 Difference]: Without dead ends: 72301 [2024-10-24 01:41:35,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:41:35,387 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 2096 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:35,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 1909 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:41:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72301 states. [2024-10-24 01:41:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72301 to 62129. [2024-10-24 01:41:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62129 states, 62128 states have (on average 1.3167653875869174) internal successors, (81808), 62128 states have internal predecessors, (81808), 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) [2024-10-24 01:41:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62129 states to 62129 states and 81808 transitions. [2024-10-24 01:41:36,436 INFO L78 Accepts]: Start accepts. Automaton has 62129 states and 81808 transitions. Word has length 92 [2024-10-24 01:41:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:36,436 INFO L471 AbstractCegarLoop]: Abstraction has 62129 states and 81808 transitions. [2024-10-24 01:41:36,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-10-24 01:41:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 62129 states and 81808 transitions. [2024-10-24 01:41:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:41:36,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:36,445 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:36,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:41:36,445 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:36,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash -406242549, now seen corresponding path program 1 times [2024-10-24 01:41:36,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:36,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075574721] [2024-10-24 01:41:36,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 01:41:36,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:36,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075574721] [2024-10-24 01:41:36,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075574721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:36,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:36,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:36,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321129956] [2024-10-24 01:41:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:36,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:36,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:36,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:36,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:36,705 INFO L87 Difference]: Start difference. First operand 62129 states and 81808 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-10-24 01:41:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:37,862 INFO L93 Difference]: Finished difference Result 116390 states and 152926 transitions. [2024-10-24 01:41:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:41:37,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 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) Word has length 92 [2024-10-24 01:41:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:37,974 INFO L225 Difference]: With dead ends: 116390 [2024-10-24 01:41:37,974 INFO L226 Difference]: Without dead ends: 90058 [2024-10-24 01:41:37,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:41:37,983 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 2023 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:37,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 1324 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:41:38,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90058 states. [2024-10-24 01:41:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90058 to 62111. [2024-10-24 01:41:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62111 states, 62110 states have (on average 1.3168249879246499) internal successors, (81788), 62110 states have internal predecessors, (81788), 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) [2024-10-24 01:41:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62111 states to 62111 states and 81788 transitions. [2024-10-24 01:41:38,897 INFO L78 Accepts]: Start accepts. Automaton has 62111 states and 81788 transitions. Word has length 92 [2024-10-24 01:41:38,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:38,898 INFO L471 AbstractCegarLoop]: Abstraction has 62111 states and 81788 transitions. [2024-10-24 01:41:38,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-10-24 01:41:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62111 states and 81788 transitions. [2024-10-24 01:41:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 01:41:38,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:38,908 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:38,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:41:38,908 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:38,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:38,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1250731369, now seen corresponding path program 1 times [2024-10-24 01:41:38,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:38,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99756939] [2024-10-24 01:41:38,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:38,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 01:41:39,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99756939] [2024-10-24 01:41:39,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99756939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:39,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:41:39,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:41:39,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381837795] [2024-10-24 01:41:39,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:39,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:41:39,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:41:39,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:41:39,216 INFO L87 Difference]: Start difference. First operand 62111 states and 81788 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-10-24 01:41:40,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:40,367 INFO L93 Difference]: Finished difference Result 119917 states and 156172 transitions. [2024-10-24 01:41:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:41:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 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) Word has length 93 [2024-10-24 01:41:40,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:40,485 INFO L225 Difference]: With dead ends: 119917 [2024-10-24 01:41:40,485 INFO L226 Difference]: Without dead ends: 93341 [2024-10-24 01:41:40,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:41:40,823 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 1433 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:40,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 1538 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:41:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93341 states. [2024-10-24 01:41:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93341 to 62097. [2024-10-24 01:41:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62097 states, 62096 states have (on average 1.3168803143519712) internal successors, (81773), 62096 states have internal predecessors, (81773), 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) [2024-10-24 01:41:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62097 states to 62097 states and 81773 transitions. [2024-10-24 01:41:41,935 INFO L78 Accepts]: Start accepts. Automaton has 62097 states and 81773 transitions. Word has length 93 [2024-10-24 01:41:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:41,935 INFO L471 AbstractCegarLoop]: Abstraction has 62097 states and 81773 transitions. [2024-10-24 01:41:41,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-10-24 01:41:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 62097 states and 81773 transitions. [2024-10-24 01:41:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 01:41:41,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:41,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:41,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:41:41,944 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:41,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:41,945 INFO L85 PathProgramCache]: Analyzing trace with hash 817130232, now seen corresponding path program 1 times [2024-10-24 01:41:41,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:41,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003359195] [2024-10-24 01:41:41,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:42,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:42,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003359195] [2024-10-24 01:41:42,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003359195] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 01:41:42,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145245130] [2024-10-24 01:41:42,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 01:41:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:41:42,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 01:41:42,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 01:41:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:42,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 01:41:42,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 01:41:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:42,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 01:41:42,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145245130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:41:42,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 01:41:42,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 13 [2024-10-24 01:41:42,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516377920] [2024-10-24 01:41:42,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:41:42,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 01:41:42,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:42,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 01:41:42,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:41:42,933 INFO L87 Difference]: Start difference. First operand 62097 states and 81773 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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) [2024-10-24 01:41:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:44,463 INFO L93 Difference]: Finished difference Result 165748 states and 218212 transitions. [2024-10-24 01:41:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 01:41:44,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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) Word has length 93 [2024-10-24 01:41:44,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:44,593 INFO L225 Difference]: With dead ends: 165748 [2024-10-24 01:41:44,593 INFO L226 Difference]: Without dead ends: 104120 [2024-10-24 01:41:44,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:41:44,620 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 1534 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:44,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 2119 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:41:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104120 states. [2024-10-24 01:41:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104120 to 89541. [2024-10-24 01:41:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89541 states, 89540 states have (on average 1.289066339066339) internal successors, (115423), 89540 states have internal predecessors, (115423), 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) [2024-10-24 01:41:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89541 states to 89541 states and 115423 transitions. [2024-10-24 01:41:45,988 INFO L78 Accepts]: Start accepts. Automaton has 89541 states and 115423 transitions. Word has length 93 [2024-10-24 01:41:45,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:41:45,989 INFO L471 AbstractCegarLoop]: Abstraction has 89541 states and 115423 transitions. [2024-10-24 01:41:45,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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) [2024-10-24 01:41:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 89541 states and 115423 transitions. [2024-10-24 01:41:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 01:41:46,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:41:46,000 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:41:46,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 01:41:46,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-24 01:41:46,201 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:41:46,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:41:46,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1146301213, now seen corresponding path program 1 times [2024-10-24 01:41:46,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:41:46,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597816537] [2024-10-24 01:41:46,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:46,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:41:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:46,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:41:46,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597816537] [2024-10-24 01:41:46,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597816537] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 01:41:46,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708458848] [2024-10-24 01:41:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:41:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 01:41:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:41:46,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 01:41:46,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 01:41:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:41:46,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 01:41:46,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 01:41:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:48,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 01:41:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:41:49,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708458848] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 01:41:49,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 01:41:49,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 27 [2024-10-24 01:41:49,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625997833] [2024-10-24 01:41:49,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 01:41:49,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 01:41:49,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:41:49,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 01:41:49,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2024-10-24 01:41:49,418 INFO L87 Difference]: Start difference. First operand 89541 states and 115423 transitions. Second operand has 28 states, 28 states have (on average 8.607142857142858) internal successors, (241), 27 states have internal predecessors, (241), 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) [2024-10-24 01:41:58,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:41:58,332 INFO L93 Difference]: Finished difference Result 384894 states and 486986 transitions. [2024-10-24 01:41:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-10-24 01:41:58,333 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.607142857142858) internal successors, (241), 27 states have internal predecessors, (241), 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) Word has length 93 [2024-10-24 01:41:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:41:58,844 INFO L225 Difference]: With dead ends: 384894 [2024-10-24 01:41:58,844 INFO L226 Difference]: Without dead ends: 341864 [2024-10-24 01:41:58,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6442 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=3647, Invalid=15535, Unknown=0, NotChecked=0, Total=19182 [2024-10-24 01:41:58,927 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 5957 mSDsluCounter, 6008 mSDsCounter, 0 mSdLazyCounter, 6505 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5957 SdHoareTripleChecker+Valid, 6472 SdHoareTripleChecker+Invalid, 6630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 6505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:41:58,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5957 Valid, 6472 Invalid, 6630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 6505 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-24 01:41:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341864 states. [2024-10-24 01:42:01,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341864 to 90318. [2024-10-24 01:42:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90318 states, 90317 states have (on average 1.2890485733582826) internal successors, (116423), 90317 states have internal predecessors, (116423), 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) [2024-10-24 01:42:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90318 states to 90318 states and 116423 transitions. [2024-10-24 01:42:02,137 INFO L78 Accepts]: Start accepts. Automaton has 90318 states and 116423 transitions. Word has length 93 [2024-10-24 01:42:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:02,137 INFO L471 AbstractCegarLoop]: Abstraction has 90318 states and 116423 transitions. [2024-10-24 01:42:02,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.607142857142858) internal successors, (241), 27 states have internal predecessors, (241), 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) [2024-10-24 01:42:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 90318 states and 116423 transitions. [2024-10-24 01:42:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:42:02,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:02,145 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:42:02,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 01:42:02,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-24 01:42:02,346 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-24 01:42:02,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:02,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2138476188, now seen corresponding path program 1 times [2024-10-24 01:42:02,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:02,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415028511] [2024-10-24 01:42:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:02,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:02,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:02,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415028511] [2024-10-24 01:42:02,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415028511] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 01:42:02,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885203979] [2024-10-24 01:42:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:02,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 01:42:02,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:42:02,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 01:42:02,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 01:42:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:03,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 01:42:03,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 01:42:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:04,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 01:42:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:04,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885203979] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 01:42:04,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 01:42:04,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 25 [2024-10-24 01:42:04,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948291999] [2024-10-24 01:42:04,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 01:42:04,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-24 01:42:04,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:04,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-24 01:42:04,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2024-10-24 01:42:04,828 INFO L87 Difference]: Start difference. First operand 90318 states and 116423 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 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)