./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'f5c801d8b5fdcf1fd707667b6be50e997a7c221fe0e8db87ec272b7b1d4545f6'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash f5c801d8b5fdcf1fd707667b6be50e997a7c221fe0e8db87ec272b7b1d4545f6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:00:36,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:00:36,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 02:00:36,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:00:36,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:00:36,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:00:36,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:00:36,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:00:36,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:00:36,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:00:36,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:00:36,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:00:36,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:00:36,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:00:36,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:00:36,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:00:36,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:00:36,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:00:36,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:00:36,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:00:36,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:00:36,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:00:36,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:00:36,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 02:00:36,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 02:00:36,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:00:36,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:00:36,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:00:36,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:00:36,893 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5c801d8b5fdcf1fd707667b6be50e997a7c221fe0e8db87ec272b7b1d4545f6 [2024-11-07 02:00:37,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:00:37,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:00:37,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:00:37,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:00:37,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:00:37,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c [2024-11-07 02:00:38,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:00:38,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:00:38,814 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c [2024-11-07 02:00:38,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d562f952e/5ba2d058f2694057b624caf7500cc7e6/FLAG50184a64b [2024-11-07 02:00:38,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d562f952e/5ba2d058f2694057b624caf7500cc7e6 [2024-11-07 02:00:38,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:00:38,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:00:38,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:00:38,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:00:38,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:00:38,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:38" (1/1) ... [2024-11-07 02:00:38,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8e6780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:38, skipping insertion in model container [2024-11-07 02:00:38,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:38" (1/1) ... [2024-11-07 02:00:38,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:00:39,104 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c[1324,1337] [2024-11-07 02:00:39,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:00:39,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:00:39,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c[1324,1337] [2024-11-07 02:00:39,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:00:39,664 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:00:39,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39 WrapperNode [2024-11-07 02:00:39,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:00:39,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:00:39,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:00:39,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:00:39,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:39,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,062 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4975 [2024-11-07 02:00:40,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:00:40,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:00:40,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:00:40,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:00:40,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,170 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,290 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]. [2024-11-07 02:00:40,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:00:40,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:00:40,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:00:40,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:00:40,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (1/1) ... [2024-11-07 02:00:40,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:00:40,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:00:40,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 02:00:40,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 02:00:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:00:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 02:00:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 02:00:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 02:00:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:00:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:00:41,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:00:41,151 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:00:47,529 INFO L? ?]: Removed 2628 outVars from TransFormulas that were not future-live. [2024-11-07 02:00:47,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:00:47,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:00:47,574 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:00:47,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:00:47 BoogieIcfgContainer [2024-11-07 02:00:47,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:00:47,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:00:47,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:00:47,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:00:47,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:00:38" (1/3) ... [2024-11-07 02:00:47,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776418d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:00:47, skipping insertion in model container [2024-11-07 02:00:47,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:39" (2/3) ... [2024-11-07 02:00:47,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776418d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:00:47, skipping insertion in model container [2024-11-07 02:00:47,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:00:47" (3/3) ... [2024-11-07 02:00:47,584 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c [2024-11-07 02:00:47,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:00:47,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:00:47,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:00:47,705 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;@9877d0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:00:47,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:00:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-11-07 02:00:47,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:47,753 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:47,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:47,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1851439012, now seen corresponding path program 1 times [2024-11-07 02:00:47,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:47,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526578142] [2024-11-07 02:00:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:47,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:00:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:00:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:00:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:00:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:00:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:00:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:00:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:00:48,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:00:48,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526578142] [2024-11-07 02:00:48,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526578142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:00:48,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:00:48,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 02:00:48,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480207204] [2024-11-07 02:00:48,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:00:48,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 02:00:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:00:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 02:00:48,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 02:00:48,850 INFO L87 Difference]: Start difference. First operand has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:00:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:00:49,006 INFO L93 Difference]: Finished difference Result 3223 states and 4833 transitions. [2024-11-07 02:00:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 02:00:49,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 711 [2024-11-07 02:00:49,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:00:49,041 INFO L225 Difference]: With dead ends: 3223 [2024-11-07 02:00:49,042 INFO L226 Difference]: Without dead ends: 1669 [2024-11-07 02:00:49,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 02:00:49,052 INFO L432 NwaCegarLoop]: 2497 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:00:49,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2497 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:00:49,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-11-07 02:00:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2024-11-07 02:00:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1660 states have (on average 1.4957831325301205) internal successors, (2483), 1660 states have internal predecessors, (2483), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2497 transitions. [2024-11-07 02:00:49,175 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2497 transitions. Word has length 711 [2024-11-07 02:00:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:00:49,176 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2497 transitions. [2024-11-07 02:00:49,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:00:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2497 transitions. [2024-11-07 02:00:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-11-07 02:00:49,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:49,193 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:49,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 02:00:49,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:49,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:49,196 INFO L85 PathProgramCache]: Analyzing trace with hash -217647530, now seen corresponding path program 1 times [2024-11-07 02:00:49,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:49,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261304698] [2024-11-07 02:00:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:49,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:00:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:00:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:00:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:00:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:00:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:00:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:00:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:00:52,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:00:52,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261304698] [2024-11-07 02:00:52,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261304698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:00:52,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:00:52,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:00:52,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463348597] [2024-11-07 02:00:52,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:00:52,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:00:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:00:52,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:00:52,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:00:52,740 INFO L87 Difference]: Start difference. First operand 1669 states and 2497 transitions. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:52,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:00:52,846 INFO L93 Difference]: Finished difference Result 1673 states and 2501 transitions. [2024-11-07 02:00:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:00:52,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 711 [2024-11-07 02:00:52,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:00:52,860 INFO L225 Difference]: With dead ends: 1673 [2024-11-07 02:00:52,860 INFO L226 Difference]: Without dead ends: 1671 [2024-11-07 02:00:52,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:00:52,863 INFO L432 NwaCegarLoop]: 2495 mSDtfsCounter, 0 mSDsluCounter, 4984 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7479 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:00:52,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7479 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:00:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-07 02:00:52,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-07 02:00:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4951865222623346) internal successors, (2485), 1662 states have internal predecessors, (2485), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2499 transitions. [2024-11-07 02:00:52,933 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2499 transitions. Word has length 711 [2024-11-07 02:00:52,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:00:52,936 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2499 transitions. [2024-11-07 02:00:52,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2499 transitions. [2024-11-07 02:00:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2024-11-07 02:00:52,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:52,947 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:52,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 02:00:52,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:52,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:52,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1844560645, now seen corresponding path program 1 times [2024-11-07 02:00:52,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:52,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374813721] [2024-11-07 02:00:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:00:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:00:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:00:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:00:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:00:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:00:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:00:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:00:54,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:00:54,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374813721] [2024-11-07 02:00:54,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374813721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:00:54,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:00:54,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:00:54,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046336133] [2024-11-07 02:00:54,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:00:54,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:00:54,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:00:54,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:00:54,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:00:54,496 INFO L87 Difference]: Start difference. First operand 1671 states and 2499 transitions. Second operand has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:00:55,266 INFO L93 Difference]: Finished difference Result 4655 states and 6967 transitions. [2024-11-07 02:00:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:00:55,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 712 [2024-11-07 02:00:55,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:00:55,277 INFO L225 Difference]: With dead ends: 4655 [2024-11-07 02:00:55,277 INFO L226 Difference]: Without dead ends: 1671 [2024-11-07 02:00:55,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:00:55,283 INFO L432 NwaCegarLoop]: 2593 mSDtfsCounter, 5792 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5792 SdHoareTripleChecker+Valid, 7391 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 02:00:55,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5792 Valid, 7391 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 02:00:55,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-07 02:00:55,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-07 02:00:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4945848375451263) internal successors, (2484), 1662 states have internal predecessors, (2484), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2498 transitions. [2024-11-07 02:00:55,324 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2498 transitions. Word has length 712 [2024-11-07 02:00:55,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:00:55,325 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2498 transitions. [2024-11-07 02:00:55,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2498 transitions. [2024-11-07 02:00:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2024-11-07 02:00:55,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:55,332 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:55,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 02:00:55,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:55,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:55,333 INFO L85 PathProgramCache]: Analyzing trace with hash 298613719, now seen corresponding path program 1 times [2024-11-07 02:00:55,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:55,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348719024] [2024-11-07 02:00:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:00:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:00:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:00:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:00:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:00:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:00:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:00:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:00:56,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:00:56,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348719024] [2024-11-07 02:00:56,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348719024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:00:56,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:00:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:00:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465257064] [2024-11-07 02:00:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:00:56,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:00:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:00:56,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:00:56,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:00:56,654 INFO L87 Difference]: Start difference. First operand 1671 states and 2498 transitions. Second operand has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:57,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:00:57,250 INFO L93 Difference]: Finished difference Result 3224 states and 4820 transitions. [2024-11-07 02:00:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:00:57,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 713 [2024-11-07 02:00:57,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:00:57,259 INFO L225 Difference]: With dead ends: 3224 [2024-11-07 02:00:57,260 INFO L226 Difference]: Without dead ends: 1671 [2024-11-07 02:00:57,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:00:57,264 INFO L432 NwaCegarLoop]: 2183 mSDtfsCounter, 4290 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 4368 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 02:00:57,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 4368 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 02:00:57,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-07 02:00:57,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-07 02:00:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4939831528279182) internal successors, (2483), 1662 states have internal predecessors, (2483), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2497 transitions. [2024-11-07 02:00:57,311 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2497 transitions. Word has length 713 [2024-11-07 02:00:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:00:57,312 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2497 transitions. [2024-11-07 02:00:57,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:57,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2497 transitions. [2024-11-07 02:00:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2024-11-07 02:00:57,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:57,320 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:57,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 02:00:57,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:57,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:57,321 INFO L85 PathProgramCache]: Analyzing trace with hash -85910150, now seen corresponding path program 1 times [2024-11-07 02:00:57,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:57,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134693304] [2024-11-07 02:00:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:00:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:00:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:00:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:00:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:00:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:00:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:00:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:00:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:00:58,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:00:58,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134693304] [2024-11-07 02:00:58,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134693304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:00:58,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:00:58,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:00:58,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530191497] [2024-11-07 02:00:58,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:00:58,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:00:58,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:00:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:00:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:00:58,565 INFO L87 Difference]: Start difference. First operand 1671 states and 2497 transitions. Second operand has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:00:58,630 INFO L93 Difference]: Finished difference Result 3226 states and 4821 transitions. [2024-11-07 02:00:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:00:58,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 714 [2024-11-07 02:00:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:00:58,640 INFO L225 Difference]: With dead ends: 3226 [2024-11-07 02:00:58,640 INFO L226 Difference]: Without dead ends: 1673 [2024-11-07 02:00:58,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:00:58,643 INFO L432 NwaCegarLoop]: 2493 mSDtfsCounter, 0 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:00:58,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7469 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:00:58,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2024-11-07 02:00:58,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2024-11-07 02:00:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1664 states have (on average 1.4933894230769231) internal successors, (2485), 1664 states have internal predecessors, (2485), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:00:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2499 transitions. [2024-11-07 02:00:58,684 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2499 transitions. Word has length 714 [2024-11-07 02:00:58,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:00:58,686 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2499 transitions. [2024-11-07 02:00:58,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:00:58,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2499 transitions. [2024-11-07 02:00:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-07 02:00:58,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:00:58,693 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:00:58,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 02:00:58,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:00:58,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:00:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 533791034, now seen corresponding path program 1 times [2024-11-07 02:00:58,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:00:58,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996611562] [2024-11-07 02:00:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:00:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:00:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:01:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:01:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:01:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:01:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:01:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:00,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996611562] [2024-11-07 02:01:00,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996611562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:00,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:00,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:01:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916016456] [2024-11-07 02:01:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:01,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:01:01,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:01,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:01:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:01:01,002 INFO L87 Difference]: Start difference. First operand 1673 states and 2499 transitions. Second operand has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:01,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:01,159 INFO L93 Difference]: Finished difference Result 3227 states and 4821 transitions. [2024-11-07 02:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:01,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 715 [2024-11-07 02:01:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:01,167 INFO L225 Difference]: With dead ends: 3227 [2024-11-07 02:01:01,167 INFO L226 Difference]: Without dead ends: 1672 [2024-11-07 02:01:01,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:01,171 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2067 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:01,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4884 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:01,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-07 02:01:01,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-07 02:01:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.492483463619964) internal successors, (2482), 1663 states have internal predecessors, (2482), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:01:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2496 transitions. [2024-11-07 02:01:01,216 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2496 transitions. Word has length 715 [2024-11-07 02:01:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:01,217 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2496 transitions. [2024-11-07 02:01:01,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2496 transitions. [2024-11-07 02:01:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-11-07 02:01:01,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:01,224 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:01,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 02:01:01,225 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:01,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:01,225 INFO L85 PathProgramCache]: Analyzing trace with hash -355699377, now seen corresponding path program 1 times [2024-11-07 02:01:01,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:01,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962511456] [2024-11-07 02:01:01,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:01:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:01:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:01:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:01:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:01:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:02,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:02,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962511456] [2024-11-07 02:01:02,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962511456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:02,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:02,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:02,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588798381] [2024-11-07 02:01:02,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:02,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:02,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:02,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:02,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:02,332 INFO L87 Difference]: Start difference. First operand 1672 states and 2496 transitions. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:02,496 INFO L93 Difference]: Finished difference Result 3746 states and 5594 transitions. [2024-11-07 02:01:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:01:02,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 716 [2024-11-07 02:01:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:02,506 INFO L225 Difference]: With dead ends: 3746 [2024-11-07 02:01:02,506 INFO L226 Difference]: Without dead ends: 1672 [2024-11-07 02:01:02,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:01:02,510 INFO L432 NwaCegarLoop]: 2480 mSDtfsCounter, 3617 mSDsluCounter, 4929 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3617 SdHoareTripleChecker+Valid, 7409 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:02,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3617 Valid, 7409 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:02,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-07 02:01:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-07 02:01:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.491882140709561) internal successors, (2481), 1663 states have internal predecessors, (2481), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:01:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2495 transitions. [2024-11-07 02:01:02,550 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2495 transitions. Word has length 716 [2024-11-07 02:01:02,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:02,551 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2495 transitions. [2024-11-07 02:01:02,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2495 transitions. [2024-11-07 02:01:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2024-11-07 02:01:02,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:02,558 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:02,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 02:01:02,559 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:02,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash -361890150, now seen corresponding path program 1 times [2024-11-07 02:01:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:02,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872976614] [2024-11-07 02:01:02,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:01:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:01:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:01:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:01:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:01:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:03,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:03,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872976614] [2024-11-07 02:01:03,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872976614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:03,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:03,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:03,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494734107] [2024-11-07 02:01:03,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:03,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:03,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:03,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:03,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:03,554 INFO L87 Difference]: Start difference. First operand 1672 states and 2495 transitions. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:03,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:03,703 INFO L93 Difference]: Finished difference Result 3226 states and 4814 transitions. [2024-11-07 02:01:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:03,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 717 [2024-11-07 02:01:03,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:03,712 INFO L225 Difference]: With dead ends: 3226 [2024-11-07 02:01:03,712 INFO L226 Difference]: Without dead ends: 1672 [2024-11-07 02:01:03,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:03,715 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2471 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:03,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 4895 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:03,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-07 02:01:03,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-07 02:01:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.491280817799158) internal successors, (2480), 1663 states have internal predecessors, (2480), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:01:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2494 transitions. [2024-11-07 02:01:03,754 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2494 transitions. Word has length 717 [2024-11-07 02:01:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:03,755 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2494 transitions. [2024-11-07 02:01:03,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2494 transitions. [2024-11-07 02:01:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-07 02:01:03,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:03,762 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:03,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 02:01:03,763 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:03,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:03,763 INFO L85 PathProgramCache]: Analyzing trace with hash -10014104, now seen corresponding path program 1 times [2024-11-07 02:01:03,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:03,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142068467] [2024-11-07 02:01:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:01:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:01:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:01:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:01:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:01:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:04,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:04,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142068467] [2024-11-07 02:01:04,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142068467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:04,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:04,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:04,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53629306] [2024-11-07 02:01:04,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:04,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:04,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:04,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:04,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:04,682 INFO L87 Difference]: Start difference. First operand 1672 states and 2494 transitions. Second operand has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:04,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:04,830 INFO L93 Difference]: Finished difference Result 3226 states and 4812 transitions. [2024-11-07 02:01:04,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:04,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 718 [2024-11-07 02:01:04,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:04,842 INFO L225 Difference]: With dead ends: 3226 [2024-11-07 02:01:04,842 INFO L226 Difference]: Without dead ends: 1672 [2024-11-07 02:01:04,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:04,845 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2208 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:04,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 4895 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-07 02:01:04,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-07 02:01:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.4906794948887552) internal successors, (2479), 1663 states have internal predecessors, (2479), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 02:01:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2493 transitions. [2024-11-07 02:01:04,881 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2493 transitions. Word has length 718 [2024-11-07 02:01:04,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:04,882 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2493 transitions. [2024-11-07 02:01:04,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2493 transitions. [2024-11-07 02:01:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2024-11-07 02:01:04,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:04,889 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 02:01:04,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:04,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 860311418, now seen corresponding path program 1 times [2024-11-07 02:01:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262742111] [2024-11-07 02:01:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 02:01:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 02:01:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 02:01:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 02:01:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 02:01:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:07,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:07,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262742111] [2024-11-07 02:01:07,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262742111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:07,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:07,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:01:07,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327277532] [2024-11-07 02:01:07,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:07,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:01:07,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:01:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:07,490 INFO L87 Difference]: Start difference. First operand 1672 states and 2493 transitions. Second operand has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:07,982 INFO L93 Difference]: Finished difference Result 4865 states and 7256 transitions. [2024-11-07 02:01:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:01:07,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 719 [2024-11-07 02:01:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:08,002 INFO L225 Difference]: With dead ends: 4865 [2024-11-07 02:01:08,003 INFO L226 Difference]: Without dead ends: 3211 [2024-11-07 02:01:08,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:01:08,007 INFO L432 NwaCegarLoop]: 2568 mSDtfsCounter, 2357 mSDsluCounter, 9807 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 12375 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:08,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 12375 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 02:01:08,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2024-11-07 02:01:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 1731. [2024-11-07 02:01:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.4895348837209301) internal successors, (2562), 1720 states have internal predecessors, (2562), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 02:01:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2580 transitions. [2024-11-07 02:01:08,053 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2580 transitions. Word has length 719 [2024-11-07 02:01:08,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:08,053 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2580 transitions. [2024-11-07 02:01:08,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:08,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2580 transitions. [2024-11-07 02:01:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2024-11-07 02:01:08,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:08,060 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:08,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 02:01:08,060 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:08,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:08,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1296468298, now seen corresponding path program 1 times [2024-11-07 02:01:08,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:08,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888008330] [2024-11-07 02:01:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 02:01:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:10,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:10,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888008330] [2024-11-07 02:01:10,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888008330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:10,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:10,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:01:10,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952960895] [2024-11-07 02:01:10,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:10,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:01:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:10,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:01:10,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:01:10,587 INFO L87 Difference]: Start difference. First operand 1731 states and 2580 transitions. Second operand has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:10,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:10,729 INFO L93 Difference]: Finished difference Result 3285 states and 4897 transitions. [2024-11-07 02:01:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 720 [2024-11-07 02:01:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:10,737 INFO L225 Difference]: With dead ends: 3285 [2024-11-07 02:01:10,737 INFO L226 Difference]: Without dead ends: 1731 [2024-11-07 02:01:10,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:10,740 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2327 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:10,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 4884 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-11-07 02:01:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2024-11-07 02:01:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.488953488372093) internal successors, (2561), 1720 states have internal predecessors, (2561), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 02:01:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2579 transitions. [2024-11-07 02:01:10,773 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2579 transitions. Word has length 720 [2024-11-07 02:01:10,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:10,774 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2579 transitions. [2024-11-07 02:01:10,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2579 transitions. [2024-11-07 02:01:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-07 02:01:10,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:10,781 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:10,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 02:01:10,781 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:10,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1796732892, now seen corresponding path program 1 times [2024-11-07 02:01:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270590608] [2024-11-07 02:01:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 02:01:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:12,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270590608] [2024-11-07 02:01:12,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270590608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:12,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:01:12,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161329482] [2024-11-07 02:01:12,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:12,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:01:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:12,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:01:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:01:12,593 INFO L87 Difference]: Start difference. First operand 1731 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:12,720 INFO L93 Difference]: Finished difference Result 3285 states and 4895 transitions. [2024-11-07 02:01:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:12,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 721 [2024-11-07 02:01:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:12,729 INFO L225 Difference]: With dead ends: 3285 [2024-11-07 02:01:12,730 INFO L226 Difference]: Without dead ends: 1731 [2024-11-07 02:01:12,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:12,733 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2060 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:12,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 4884 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:12,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-11-07 02:01:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2024-11-07 02:01:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.4883720930232558) internal successors, (2560), 1720 states have internal predecessors, (2560), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 02:01:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2578 transitions. [2024-11-07 02:01:12,768 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2578 transitions. Word has length 721 [2024-11-07 02:01:12,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:12,769 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2578 transitions. [2024-11-07 02:01:12,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2578 transitions. [2024-11-07 02:01:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-07 02:01:12,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:12,777 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:12,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 02:01:12,777 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:12,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:12,778 INFO L85 PathProgramCache]: Analyzing trace with hash 31879817, now seen corresponding path program 1 times [2024-11-07 02:01:12,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:12,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195214152] [2024-11-07 02:01:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:12,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 02:01:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:15,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:15,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195214152] [2024-11-07 02:01:15,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195214152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:15,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:15,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:15,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023877640] [2024-11-07 02:01:15,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:15,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:15,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:15,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:15,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:15,153 INFO L87 Difference]: Start difference. First operand 1731 states and 2578 transitions. Second operand has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:15,773 INFO L93 Difference]: Finished difference Result 3289 states and 4899 transitions. [2024-11-07 02:01:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:01:15,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 722 [2024-11-07 02:01:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:15,782 INFO L225 Difference]: With dead ends: 3289 [2024-11-07 02:01:15,782 INFO L226 Difference]: Without dead ends: 1735 [2024-11-07 02:01:15,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:15,786 INFO L432 NwaCegarLoop]: 2188 mSDtfsCounter, 2415 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:15,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 6531 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 02:01:15,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2024-11-07 02:01:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2024-11-07 02:01:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1722 states have (on average 1.4878048780487805) internal successors, (2562), 1722 states have internal predecessors, (2562), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 02:01:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2580 transitions. [2024-11-07 02:01:15,825 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2580 transitions. Word has length 722 [2024-11-07 02:01:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:15,826 INFO L471 AbstractCegarLoop]: Abstraction has 1733 states and 2580 transitions. [2024-11-07 02:01:15,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2580 transitions. [2024-11-07 02:01:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-11-07 02:01:15,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:15,833 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:15,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 02:01:15,833 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:15,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:15,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1734921250, now seen corresponding path program 1 times [2024-11-07 02:01:15,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:15,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416514634] [2024-11-07 02:01:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 02:01:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416514634] [2024-11-07 02:01:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416514634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:19,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 02:01:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467012141] [2024-11-07 02:01:19,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:19,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 02:01:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:19,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 02:01:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 02:01:19,278 INFO L87 Difference]: Start difference. First operand 1733 states and 2580 transitions. Second operand has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 02:01:20,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:20,767 INFO L93 Difference]: Finished difference Result 5071 states and 7550 transitions. [2024-11-07 02:01:20,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 02:01:20,768 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 723 [2024-11-07 02:01:20,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:20,780 INFO L225 Difference]: With dead ends: 5071 [2024-11-07 02:01:20,780 INFO L226 Difference]: Without dead ends: 3515 [2024-11-07 02:01:20,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-07 02:01:20,785 INFO L432 NwaCegarLoop]: 2279 mSDtfsCounter, 9191 mSDsluCounter, 15956 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9206 SdHoareTripleChecker+Valid, 18235 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:20,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9206 Valid, 18235 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 02:01:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2024-11-07 02:01:20,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 2028. [2024-11-07 02:01:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 2004 states have (on average 1.4850299401197604) internal successors, (2976), 2004 states have internal predecessors, (2976), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 02:01:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 3020 transitions. [2024-11-07 02:01:20,837 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 3020 transitions. Word has length 723 [2024-11-07 02:01:20,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:20,837 INFO L471 AbstractCegarLoop]: Abstraction has 2028 states and 3020 transitions. [2024-11-07 02:01:20,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 02:01:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 3020 transitions. [2024-11-07 02:01:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-11-07 02:01:20,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:20,845 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:20,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 02:01:20,845 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:20,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:20,846 INFO L85 PathProgramCache]: Analyzing trace with hash -27524542, now seen corresponding path program 1 times [2024-11-07 02:01:20,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:20,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998708210] [2024-11-07 02:01:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:20,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 02:01:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 02:01:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 02:01:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:24,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:24,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998708210] [2024-11-07 02:01:24,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998708210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:24,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:24,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 02:01:24,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576463546] [2024-11-07 02:01:24,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:24,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 02:01:24,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:24,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 02:01:24,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:01:24,131 INFO L87 Difference]: Start difference. First operand 2028 states and 3020 transitions. Second operand has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:24,318 INFO L93 Difference]: Finished difference Result 3720 states and 5541 transitions. [2024-11-07 02:01:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 02:01:24,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 723 [2024-11-07 02:01:24,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:24,332 INFO L225 Difference]: With dead ends: 3720 [2024-11-07 02:01:24,332 INFO L226 Difference]: Without dead ends: 2064 [2024-11-07 02:01:24,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:01:24,335 INFO L432 NwaCegarLoop]: 2485 mSDtfsCounter, 2399 mSDsluCounter, 12347 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 14832 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:24,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 14832 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2024-11-07 02:01:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2056. [2024-11-07 02:01:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2032 states have (on average 1.484251968503937) internal successors, (3016), 2032 states have internal predecessors, (3016), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 02:01:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 3060 transitions. [2024-11-07 02:01:24,373 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 3060 transitions. Word has length 723 [2024-11-07 02:01:24,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:24,374 INFO L471 AbstractCegarLoop]: Abstraction has 2056 states and 3060 transitions. [2024-11-07 02:01:24,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 02:01:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 3060 transitions. [2024-11-07 02:01:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-07 02:01:24,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:24,381 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:24,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 02:01:24,382 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:24,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:24,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1377053936, now seen corresponding path program 1 times [2024-11-07 02:01:24,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:24,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080367786] [2024-11-07 02:01:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:24,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:27,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:27,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080367786] [2024-11-07 02:01:27,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080367786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:27,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:27,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:27,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160301524] [2024-11-07 02:01:27,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:27,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:27,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:27,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:27,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:27,152 INFO L87 Difference]: Start difference. First operand 2056 states and 3060 transitions. Second operand has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:27,239 INFO L93 Difference]: Finished difference Result 4690 states and 6984 transitions. [2024-11-07 02:01:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:01:27,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 724 [2024-11-07 02:01:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:27,251 INFO L225 Difference]: With dead ends: 4690 [2024-11-07 02:01:27,255 INFO L226 Difference]: Without dead ends: 3121 [2024-11-07 02:01:27,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:27,259 INFO L432 NwaCegarLoop]: 2481 mSDtfsCounter, 1043 mSDsluCounter, 7434 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 9915 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:27,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 9915 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:01:27,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-07 02:01:27,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 3119. [2024-11-07 02:01:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 3095 states have (on average 1.4862681744749595) internal successors, (4600), 3095 states have internal predecessors, (4600), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 02:01:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4644 transitions. [2024-11-07 02:01:27,317 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4644 transitions. Word has length 724 [2024-11-07 02:01:27,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:27,318 INFO L471 AbstractCegarLoop]: Abstraction has 3119 states and 4644 transitions. [2024-11-07 02:01:27,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4644 transitions. [2024-11-07 02:01:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2024-11-07 02:01:27,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:27,327 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:27,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 02:01:27,328 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:27,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:27,328 INFO L85 PathProgramCache]: Analyzing trace with hash 647890187, now seen corresponding path program 1 times [2024-11-07 02:01:27,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:27,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496487310] [2024-11-07 02:01:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:27,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 02:01:30,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:30,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496487310] [2024-11-07 02:01:30,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496487310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:30,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:30,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:01:30,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360514020] [2024-11-07 02:01:30,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:30,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:01:30,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:30,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:01:30,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:30,179 INFO L87 Difference]: Start difference. First operand 3119 states and 4644 transitions. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:30,383 INFO L93 Difference]: Finished difference Result 8048 states and 11989 transitions. [2024-11-07 02:01:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:01:30,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 725 [2024-11-07 02:01:30,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:30,396 INFO L225 Difference]: With dead ends: 8048 [2024-11-07 02:01:30,396 INFO L226 Difference]: Without dead ends: 5416 [2024-11-07 02:01:30,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:01:30,402 INFO L432 NwaCegarLoop]: 2467 mSDtfsCounter, 7026 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7033 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:30,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7033 Valid, 9862 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-07 02:01:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-07 02:01:30,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4874651810584958) internal successors, (8010), 5385 states have internal predecessors, (8010), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 02:01:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8068 transitions. [2024-11-07 02:01:30,484 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8068 transitions. Word has length 725 [2024-11-07 02:01:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:30,485 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8068 transitions. [2024-11-07 02:01:30,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 02:01:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8068 transitions. [2024-11-07 02:01:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2024-11-07 02:01:30,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:30,509 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:30,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 02:01:30,509 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:30,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:30,510 INFO L85 PathProgramCache]: Analyzing trace with hash 929121604, now seen corresponding path program 1 times [2024-11-07 02:01:30,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:30,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176400127] [2024-11-07 02:01:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:30,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2024-11-07 02:01:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2024-11-07 02:01:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2024-11-07 02:01:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2024-11-07 02:01:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2024-11-07 02:01:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2024-11-07 02:01:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-07 02:01:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 02:01:32,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:32,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176400127] [2024-11-07 02:01:32,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176400127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:32,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:32,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:32,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908266948] [2024-11-07 02:01:32,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:32,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:32,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:32,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:32,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:32,724 INFO L87 Difference]: Start difference. First operand 5416 states and 8068 transitions. Second operand has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:32,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:32,862 INFO L93 Difference]: Finished difference Result 8048 states and 11988 transitions. [2024-11-07 02:01:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:32,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1545 [2024-11-07 02:01:32,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:32,876 INFO L225 Difference]: With dead ends: 8048 [2024-11-07 02:01:32,876 INFO L226 Difference]: Without dead ends: 5416 [2024-11-07 02:01:32,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:32,883 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 1900 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:32,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 4895 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-07 02:01:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-07 02:01:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4872794800371403) internal successors, (8009), 5385 states have internal predecessors, (8009), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 02:01:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8067 transitions. [2024-11-07 02:01:32,951 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8067 transitions. Word has length 1545 [2024-11-07 02:01:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:32,952 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8067 transitions. [2024-11-07 02:01:32,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8067 transitions. [2024-11-07 02:01:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2024-11-07 02:01:32,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:32,974 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:32,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 02:01:32,974 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:32,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:32,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1513498287, now seen corresponding path program 1 times [2024-11-07 02:01:32,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:32,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825741692] [2024-11-07 02:01:32,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2024-11-07 02:01:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:01:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2024-11-07 02:01:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2024-11-07 02:01:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2024-11-07 02:01:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2024-11-07 02:01:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-07 02:01:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 02:01:35,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:35,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825741692] [2024-11-07 02:01:35,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825741692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:35,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:35,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:35,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354392882] [2024-11-07 02:01:35,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:35,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:35,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:35,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:35,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:35,101 INFO L87 Difference]: Start difference. First operand 5416 states and 8067 transitions. Second operand has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:35,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:35,220 INFO L93 Difference]: Finished difference Result 8048 states and 11986 transitions. [2024-11-07 02:01:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1546 [2024-11-07 02:01:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:35,234 INFO L225 Difference]: With dead ends: 8048 [2024-11-07 02:01:35,234 INFO L226 Difference]: Without dead ends: 5416 [2024-11-07 02:01:35,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:35,240 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 3636 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3643 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:35,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3643 Valid, 4884 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-07 02:01:35,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-07 02:01:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4870937790157845) internal successors, (8008), 5385 states have internal predecessors, (8008), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 02:01:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8066 transitions. [2024-11-07 02:01:35,314 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8066 transitions. Word has length 1546 [2024-11-07 02:01:35,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:35,315 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8066 transitions. [2024-11-07 02:01:35,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8066 transitions. [2024-11-07 02:01:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2024-11-07 02:01:35,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:35,336 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:35,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 02:01:35,337 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:35,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1417248975, now seen corresponding path program 1 times [2024-11-07 02:01:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:35,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908370125] [2024-11-07 02:01:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2024-11-07 02:01:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2024-11-07 02:01:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2024-11-07 02:01:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2024-11-07 02:01:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2024-11-07 02:01:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2024-11-07 02:01:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2024-11-07 02:01:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 02:01:37,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:37,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908370125] [2024-11-07 02:01:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908370125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:37,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:37,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:37,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105202245] [2024-11-07 02:01:37,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:37,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:37,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:37,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:37,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:37,542 INFO L87 Difference]: Start difference. First operand 5416 states and 8066 transitions. Second operand has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 02:01:37,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:37,932 INFO L93 Difference]: Finished difference Result 8048 states and 11984 transitions. [2024-11-07 02:01:37,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:37,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1547 [2024-11-07 02:01:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:37,945 INFO L225 Difference]: With dead ends: 8048 [2024-11-07 02:01:37,945 INFO L226 Difference]: Without dead ends: 5416 [2024-11-07 02:01:37,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:37,951 INFO L432 NwaCegarLoop]: 2173 mSDtfsCounter, 1817 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 4359 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:37,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 4359 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 02:01:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-07 02:01:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-07 02:01:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.486908077994429) internal successors, (8007), 5385 states have internal predecessors, (8007), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 02:01:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8065 transitions. [2024-11-07 02:01:38,020 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8065 transitions. Word has length 1547 [2024-11-07 02:01:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:38,021 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8065 transitions. [2024-11-07 02:01:38,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 02:01:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8065 transitions. [2024-11-07 02:01:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1549 [2024-11-07 02:01:38,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:38,043 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:38,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 02:01:38,044 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:38,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1231359804, now seen corresponding path program 1 times [2024-11-07 02:01:38,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:38,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428145519] [2024-11-07 02:01:38,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:38,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 02:01:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 02:01:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 02:01:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 02:01:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 02:01:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 02:01:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 02:01:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:01:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-11-07 02:01:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2024-11-07 02:01:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2024-11-07 02:01:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2024-11-07 02:01:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-07 02:01:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-07 02:01:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:01:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 02:01:40,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:01:40,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428145519] [2024-11-07 02:01:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428145519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:01:40,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:01:40,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:01:40,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259790762] [2024-11-07 02:01:40,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:01:40,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:01:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:01:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:01:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:01:40,438 INFO L87 Difference]: Start difference. First operand 5416 states and 8065 transitions. Second operand has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:01:40,555 INFO L93 Difference]: Finished difference Result 8048 states and 11982 transitions. [2024-11-07 02:01:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:01:40,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1548 [2024-11-07 02:01:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:01:40,565 INFO L225 Difference]: With dead ends: 8048 [2024-11-07 02:01:40,565 INFO L226 Difference]: Without dead ends: 5416 [2024-11-07 02:01:40,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:01:40,570 INFO L432 NwaCegarLoop]: 2440 mSDtfsCounter, 1842 mSDsluCounter, 2453 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:01:40,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 4893 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:01:40,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-07 02:01:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-07 02:01:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4867223769730733) internal successors, (8006), 5385 states have internal predecessors, (8006), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 02:01:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8064 transitions. [2024-11-07 02:01:40,634 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8064 transitions. Word has length 1548 [2024-11-07 02:01:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:01:40,635 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8064 transitions. [2024-11-07 02:01:40,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 02:01:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8064 transitions. [2024-11-07 02:01:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1550 [2024-11-07 02:01:40,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:01:40,655 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:01:40,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 02:01:40,656 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:01:40,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:01:40,656 INFO L85 PathProgramCache]: Analyzing trace with hash -469999005, now seen corresponding path program 1 times [2024-11-07 02:01:40,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:01:40,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801957302] [2024-11-07 02:01:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:01:40,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:01:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat