./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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', '32bit', '--witnessprinter.graph.data.programhash', '12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996'] 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:57:39,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:57:39,436 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:57:39,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:57:39,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:57:39,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:57:39,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:57:39,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:57:39,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:57:39,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:57:39,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:57:39,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:57:39,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:57:39,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:57:39,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:57:39,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:57:39,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:57:39,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:57:39,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:57:39,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:57:39,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:57:39,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:57:39,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:57:39,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:57:39,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:57:39,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:57:39,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:57:39,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:57:39,482 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2024-11-07 04:57:39,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:57:39,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:57:39,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:57:39,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:57:39,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:57:39,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-11-07 04:57:41,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:57:41,442 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:57:41,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-11-07 04:57:41,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff242619b/701c36d6f6804d8abc176b20fb1261d4/FLAGaf111ab25 [2024-11-07 04:57:41,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff242619b/701c36d6f6804d8abc176b20fb1261d4 [2024-11-07 04:57:41,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:57:41,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:57:41,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:57:41,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:57:41,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:57:41,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103e3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41, skipping insertion in model container [2024-11-07 04:57:41,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:57:41,648 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-11-07 04:57:41,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:57:41,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:57:41,742 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-11-07 04:57:41,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:57:41,784 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:57:41,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41 WrapperNode [2024-11-07 04:57:41,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:57:41,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:57:41,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:57:41,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:57:41,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,829 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-11-07 04:57:41,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:57:41,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:57:41,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:57:41,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:57:41,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,870 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 04:57:41,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:57:41,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:57:41,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:57:41,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:57:41,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (1/1) ... [2024-11-07 04:57:41,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:57:41,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:57:41,935 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 04:57:41,940 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 04:57:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:57:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:57:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:57:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:57:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:57:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:57:42,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:57:42,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:57:42,374 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-07 04:57:42,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:57:42,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:57:42,389 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:57:42,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:57:42 BoogieIcfgContainer [2024-11-07 04:57:42,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:57:42,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:57:42,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:57:42,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:57:42,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:57:41" (1/3) ... [2024-11-07 04:57:42,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf942f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:57:42, skipping insertion in model container [2024-11-07 04:57:42,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:57:41" (2/3) ... [2024-11-07 04:57:42,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf942f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:57:42, skipping insertion in model container [2024-11-07 04:57:42,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:57:42" (3/3) ... [2024-11-07 04:57:42,400 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-11-07 04:57:42,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:57:42,433 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:57:42,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:57:42,503 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;@10e9f2b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:57:42,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:57:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 04:57:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:42,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:42,529 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:42,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:42,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:42,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1132790254, now seen corresponding path program 1 times [2024-11-07 04:57:42,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:42,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092768756] [2024-11-07 04:57:42,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:57:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:57:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:57:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:57:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:57:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:57:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:57:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:57:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:57:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:57:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:57:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:57:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:57:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:57:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:57:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:57:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:57:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:57:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:57:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:57:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:57:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:57:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:57:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:57:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:57:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:57:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:57:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:57:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:57:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:57:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:57:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:57:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:57:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:57:43,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:57:43,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092768756] [2024-11-07 04:57:43,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092768756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:57:43,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:57:43,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:57:43,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254830336] [2024-11-07 04:57:43,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:57:43,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:57:43,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:57:43,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:57:43,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:57:43,122 INFO L87 Difference]: Start difference. First operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:57:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:57:43,162 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2024-11-07 04:57:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:57:43,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-11-07 04:57:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:57:43,171 INFO L225 Difference]: With dead ends: 167 [2024-11-07 04:57:43,171 INFO L226 Difference]: Without dead ends: 83 [2024-11-07 04:57:43,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 04:57:43,180 INFO L432 NwaCegarLoop]: 129 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, 129 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 04:57:43,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:57:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-07 04:57:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-07 04:57:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 04:57:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2024-11-07 04:57:43,228 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 204 [2024-11-07 04:57:43,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:57:43,229 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2024-11-07 04:57:43,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:57:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2024-11-07 04:57:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:43,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:43,233 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:43,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:57:43,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:43,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:43,235 INFO L85 PathProgramCache]: Analyzing trace with hash 569352048, now seen corresponding path program 1 times [2024-11-07 04:57:43,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:43,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959912993] [2024-11-07 04:57:43,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:43,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:57:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:57:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:57:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:57:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:57:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:57:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:57:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:57:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:57:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:57:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:57:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:57:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:57:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:57:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:57:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:57:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:57:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:57:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:57:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:57:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:57:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:57:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:57:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:57:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:57:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:57:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:57:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:57:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:57:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:57:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:57:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:57:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:57:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:57:43,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:57:43,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959912993] [2024-11-07 04:57:43,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959912993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:57:43,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:57:43,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:57:43,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499383242] [2024-11-07 04:57:43,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:57:43,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:57:43,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:57:43,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:57:43,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:57:43,678 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:57:43,764 INFO L93 Difference]: Finished difference Result 242 states and 379 transitions. [2024-11-07 04:57:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:57:43,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:57:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:57:43,769 INFO L225 Difference]: With dead ends: 242 [2024-11-07 04:57:43,769 INFO L226 Difference]: Without dead ends: 162 [2024-11-07 04:57:43,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:57:43,770 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 117 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:57:43,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 236 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:57:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-07 04:57:43,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2024-11-07 04:57:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 04:57:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-11-07 04:57:43,803 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 204 [2024-11-07 04:57:43,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:57:43,804 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-11-07 04:57:43,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-11-07 04:57:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:43,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:43,807 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:43,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:57:43,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:43,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:43,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1378698674, now seen corresponding path program 1 times [2024-11-07 04:57:43,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:43,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140019161] [2024-11-07 04:57:43,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:57:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:57:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:57:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:57:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:57:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:57:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:57:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:57:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:57:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:57:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:57:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:57:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:57:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:57:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:57:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:57:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:57:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:57:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:57:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:57:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:57:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:57:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:57:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:57:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:57:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:57:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:57:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:57:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:57:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:57:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:57:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:57:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:57:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:57:44,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:57:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140019161] [2024-11-07 04:57:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140019161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:57:44,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:57:44,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 04:57:44,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692911563] [2024-11-07 04:57:44,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:57:44,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 04:57:44,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:57:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 04:57:44,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:57:44,801 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:57:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:57:45,168 INFO L93 Difference]: Finished difference Result 381 states and 583 transitions. [2024-11-07 04:57:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 04:57:45,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-11-07 04:57:45,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:57:45,174 INFO L225 Difference]: With dead ends: 381 [2024-11-07 04:57:45,174 INFO L226 Difference]: Without dead ends: 224 [2024-11-07 04:57:45,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 04:57:45,178 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 146 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:57:45,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 210 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:57:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-07 04:57:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2024-11-07 04:57:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 137 states have internal predecessors, (175), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 04:57:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 331 transitions. [2024-11-07 04:57:45,232 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 331 transitions. Word has length 204 [2024-11-07 04:57:45,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:57:45,232 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 331 transitions. [2024-11-07 04:57:45,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:57:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 331 transitions. [2024-11-07 04:57:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:45,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:45,235 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:45,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:57:45,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:45,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1965504688, now seen corresponding path program 1 times [2024-11-07 04:57:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:45,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312809514] [2024-11-07 04:57:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:57:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:57:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:57:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:57:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:57:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:57:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:57:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:57:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:57:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:57:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:57:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:57:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:57:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:57:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:57:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:57:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:57:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:57:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:57:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:57:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:57:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:57:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:57:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:57:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:57:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:57:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:57:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:57:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:57:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:57:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:57:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:57:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:57:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:57:49,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:57:49,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312809514] [2024-11-07 04:57:49,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312809514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:57:49,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:57:49,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 04:57:49,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402078892] [2024-11-07 04:57:49,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:57:49,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 04:57:49,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:57:49,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 04:57:49,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 04:57:49,497 INFO L87 Difference]: Start difference. First operand 218 states and 331 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:50,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:57:50,504 INFO L93 Difference]: Finished difference Result 289 states and 408 transitions. [2024-11-07 04:57:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 04:57:50,505 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:57:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:57:50,508 INFO L225 Difference]: With dead ends: 289 [2024-11-07 04:57:50,509 INFO L226 Difference]: Without dead ends: 287 [2024-11-07 04:57:50,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:57:50,510 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 136 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 04:57:50,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 769 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 04:57:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-07 04:57:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 235. [2024-11-07 04:57:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 04:57:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-11-07 04:57:50,556 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-11-07 04:57:50,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:57:50,557 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-11-07 04:57:50,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-11-07 04:57:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:50,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:50,561 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:50,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 04:57:50,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:50,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1967351730, now seen corresponding path program 1 times [2024-11-07 04:57:50,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:50,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312431525] [2024-11-07 04:57:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:50,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:57:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:57:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:57:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:57:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:57:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:57:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:57:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:57:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:57:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:57:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:57:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:57:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:57:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:57:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:57:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:57:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:57:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:57:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:57:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:57:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:57:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:57:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:57:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:57:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:57:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:57:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:57:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:57:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:57:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:57:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:57:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:57:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:57:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:57:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:57:55,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:57:55,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312431525] [2024-11-07 04:57:55,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312431525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:57:55,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:57:55,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 04:57:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133747429] [2024-11-07 04:57:55,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:57:55,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:57:55,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:57:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:57:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:57:55,308 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:57:58,206 INFO L93 Difference]: Finished difference Result 287 states and 406 transitions. [2024-11-07 04:57:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:57:58,207 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:57:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:57:58,210 INFO L225 Difference]: With dead ends: 287 [2024-11-07 04:57:58,210 INFO L226 Difference]: Without dead ends: 285 [2024-11-07 04:57:58,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:57:58,212 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 172 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 04:57:58,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 778 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 04:57:58,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-07 04:57:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 235. [2024-11-07 04:57:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 04:57:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-11-07 04:57:58,253 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-11-07 04:57:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:57:58,254 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-11-07 04:57:58,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:57:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-11-07 04:57:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:57:58,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:57:58,257 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:58,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 04:57:58,257 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:57:58,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:57:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1649404238, now seen corresponding path program 1 times [2024-11-07 04:57:58,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:57:58,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599604256] [2024-11-07 04:57:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:57:58,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:57:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:02,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:02,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599604256] [2024-11-07 04:58:02,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599604256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:02,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:02,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 04:58:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079766128] [2024-11-07 04:58:02,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:02,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 04:58:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 04:58:02,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 04:58:02,386 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:03,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:03,356 INFO L93 Difference]: Finished difference Result 294 states and 414 transitions. [2024-11-07 04:58:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 04:58:03,356 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:03,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:03,359 INFO L225 Difference]: With dead ends: 294 [2024-11-07 04:58:03,359 INFO L226 Difference]: Without dead ends: 292 [2024-11-07 04:58:03,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:58:03,360 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 143 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:03,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 793 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 04:58:03,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-07 04:58:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2024-11-07 04:58:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 156 states have internal predecessors, (199), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 04:58:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 355 transitions. [2024-11-07 04:58:03,390 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 355 transitions. Word has length 204 [2024-11-07 04:58:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:03,391 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 355 transitions. [2024-11-07 04:58:03,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 355 transitions. [2024-11-07 04:58:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:58:03,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:03,394 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:03,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 04:58:03,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:03,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:03,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1647557196, now seen corresponding path program 1 times [2024-11-07 04:58:03,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:03,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464807602] [2024-11-07 04:58:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:03,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:07,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:07,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464807602] [2024-11-07 04:58:07,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464807602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:07,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:07,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 04:58:07,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624482673] [2024-11-07 04:58:07,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:07,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:58:07,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:58:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:58:07,909 INFO L87 Difference]: Start difference. First operand 239 states and 355 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:09,294 INFO L93 Difference]: Finished difference Result 292 states and 412 transitions. [2024-11-07 04:58:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:58:09,295 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:09,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:09,296 INFO L225 Difference]: With dead ends: 292 [2024-11-07 04:58:09,296 INFO L226 Difference]: Without dead ends: 290 [2024-11-07 04:58:09,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:58:09,297 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 151 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:09,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 910 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 04:58:09,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-07 04:58:09,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 235. [2024-11-07 04:58:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 04:58:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-11-07 04:58:09,319 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-11-07 04:58:09,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:09,320 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-11-07 04:58:09,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-11-07 04:58:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:58:09,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:09,322 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:09,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 04:58:09,323 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:09,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1414323500, now seen corresponding path program 1 times [2024-11-07 04:58:09,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:09,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092320448] [2024-11-07 04:58:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:09,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:09,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092320448] [2024-11-07 04:58:09,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092320448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:09,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:09,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 04:58:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175969584] [2024-11-07 04:58:09,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:09,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 04:58:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 04:58:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:58:09,505 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:09,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:09,776 INFO L93 Difference]: Finished difference Result 766 states and 1128 transitions. [2024-11-07 04:58:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 04:58:09,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:09,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:09,783 INFO L225 Difference]: With dead ends: 766 [2024-11-07 04:58:09,783 INFO L226 Difference]: Without dead ends: 534 [2024-11-07 04:58:09,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 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 04:58:09,785 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 96 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:09,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 390 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 04:58:09,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-07 04:58:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 481. [2024-11-07 04:58:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 302 states have (on average 1.281456953642384) internal successors, (387), 308 states have internal predecessors, (387), 164 states have call successors, (164), 14 states have call predecessors, (164), 14 states have return successors, (164), 158 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-07 04:58:09,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 715 transitions. [2024-11-07 04:58:09,845 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 715 transitions. Word has length 204 [2024-11-07 04:58:09,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:09,845 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 715 transitions. [2024-11-07 04:58:09,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 715 transitions. [2024-11-07 04:58:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:58:09,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:09,848 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:09,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 04:58:09,849 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:09,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:09,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2071297170, now seen corresponding path program 1 times [2024-11-07 04:58:09,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:09,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445466467] [2024-11-07 04:58:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:09,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:09,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:09,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445466467] [2024-11-07 04:58:09,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445466467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:09,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:09,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:58:09,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707888106] [2024-11-07 04:58:09,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:09,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:58:09,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:09,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:58:09,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:58:09,942 INFO L87 Difference]: Start difference. First operand 481 states and 715 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:10,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:10,010 INFO L93 Difference]: Finished difference Result 924 states and 1379 transitions. [2024-11-07 04:58:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:58:10,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:10,016 INFO L225 Difference]: With dead ends: 924 [2024-11-07 04:58:10,017 INFO L226 Difference]: Without dead ends: 446 [2024-11-07 04:58:10,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:58:10,022 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 116 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:10,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 351 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:58:10,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-07 04:58:10,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 440. [2024-11-07 04:58:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 273 states have (on average 1.216117216117216) internal successors, (332), 277 states have internal predecessors, (332), 154 states have call successors, (154), 12 states have call predecessors, (154), 12 states have return successors, (154), 150 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-07 04:58:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 640 transitions. [2024-11-07 04:58:10,075 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 640 transitions. Word has length 204 [2024-11-07 04:58:10,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:10,076 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 640 transitions. [2024-11-07 04:58:10,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 640 transitions. [2024-11-07 04:58:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:58:10,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:10,078 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:10,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 04:58:10,078 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:10,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:10,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2094381870, now seen corresponding path program 1 times [2024-11-07 04:58:10,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:10,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313518182] [2024-11-07 04:58:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:11,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313518182] [2024-11-07 04:58:11,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313518182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:11,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:11,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 04:58:11,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28226605] [2024-11-07 04:58:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:11,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 04:58:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 04:58:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:58:11,836 INFO L87 Difference]: Start difference. First operand 440 states and 640 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:12,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:12,565 INFO L93 Difference]: Finished difference Result 522 states and 729 transitions. [2024-11-07 04:58:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 04:58:12,566 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:12,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:12,569 INFO L225 Difference]: With dead ends: 522 [2024-11-07 04:58:12,570 INFO L226 Difference]: Without dead ends: 520 [2024-11-07 04:58:12,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 04:58:12,570 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 254 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:12,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 653 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 04:58:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-07 04:58:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 467. [2024-11-07 04:58:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 297 states have (on average 1.2154882154882154) internal successors, (361), 302 states have internal predecessors, (361), 156 states have call successors, (156), 13 states have call predecessors, (156), 13 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 673 transitions. [2024-11-07 04:58:12,621 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 673 transitions. Word has length 204 [2024-11-07 04:58:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:12,621 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 673 transitions. [2024-11-07 04:58:12,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 673 transitions. [2024-11-07 04:58:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 04:58:12,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:12,624 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:12,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 04:58:12,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:12,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:12,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2096228912, now seen corresponding path program 1 times [2024-11-07 04:58:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:12,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473517501] [2024-11-07 04:58:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:12,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:15,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:15,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473517501] [2024-11-07 04:58:15,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473517501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:15,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:15,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 04:58:15,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929676337] [2024-11-07 04:58:15,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:15,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 04:58:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:15,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 04:58:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-07 04:58:15,114 INFO L87 Difference]: Start difference. First operand 467 states and 673 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:16,457 INFO L93 Difference]: Finished difference Result 520 states and 727 transitions. [2024-11-07 04:58:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 04:58:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-07 04:58:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:16,462 INFO L225 Difference]: With dead ends: 520 [2024-11-07 04:58:16,462 INFO L226 Difference]: Without dead ends: 518 [2024-11-07 04:58:16,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:58:16,463 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 247 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:16,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 760 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 04:58:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-07 04:58:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 467. [2024-11-07 04:58:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 297 states have (on average 1.2154882154882154) internal successors, (361), 302 states have internal predecessors, (361), 156 states have call successors, (156), 13 states have call predecessors, (156), 13 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 673 transitions. [2024-11-07 04:58:16,514 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 673 transitions. Word has length 204 [2024-11-07 04:58:16,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:16,514 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 673 transitions. [2024-11-07 04:58:16,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 673 transitions. [2024-11-07 04:58:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:16,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:16,517 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:16,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 04:58:16,517 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:16,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash -730345455, now seen corresponding path program 1 times [2024-11-07 04:58:16,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:16,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219003109] [2024-11-07 04:58:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:18,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219003109] [2024-11-07 04:58:18,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219003109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:18,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:18,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 04:58:18,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215476179] [2024-11-07 04:58:18,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:18,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:58:18,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:18,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:58:18,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:58:18,778 INFO L87 Difference]: Start difference. First operand 467 states and 673 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:19,651 INFO L93 Difference]: Finished difference Result 667 states and 915 transitions. [2024-11-07 04:58:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:58:19,652 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-07 04:58:19,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:19,660 INFO L225 Difference]: With dead ends: 667 [2024-11-07 04:58:19,660 INFO L226 Difference]: Without dead ends: 665 [2024-11-07 04:58:19,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:58:19,661 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 211 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:19,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1116 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 04:58:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-07 04:58:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 475. [2024-11-07 04:58:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 307 states have (on average 1.221498371335505) internal successors, (375), 311 states have internal predecessors, (375), 152 states have call successors, (152), 15 states have call predecessors, (152), 15 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-07 04:58:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 679 transitions. [2024-11-07 04:58:19,717 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 679 transitions. Word has length 205 [2024-11-07 04:58:19,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:19,717 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 679 transitions. [2024-11-07 04:58:19,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 679 transitions. [2024-11-07 04:58:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:19,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:19,719 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:19,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 04:58:19,719 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:19,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:19,719 INFO L85 PathProgramCache]: Analyzing trace with hash -728498413, now seen corresponding path program 1 times [2024-11-07 04:58:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:19,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827164676] [2024-11-07 04:58:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:19,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:31,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:31,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827164676] [2024-11-07 04:58:31,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827164676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:31,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:31,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-07 04:58:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813360027] [2024-11-07 04:58:31,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:31,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 04:58:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 04:58:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-07 04:58:31,805 INFO L87 Difference]: Start difference. First operand 475 states and 679 transitions. Second operand has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-07 04:58:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:35,328 INFO L93 Difference]: Finished difference Result 632 states and 870 transitions. [2024-11-07 04:58:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 04:58:35,329 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 205 [2024-11-07 04:58:35,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:35,334 INFO L225 Difference]: With dead ends: 632 [2024-11-07 04:58:35,334 INFO L226 Difference]: Without dead ends: 630 [2024-11-07 04:58:35,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 04:58:35,336 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 456 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:35,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 744 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 04:58:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-07 04:58:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 502. [2024-11-07 04:58:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 328 states have (on average 1.2195121951219512) internal successors, (400), 333 states have internal predecessors, (400), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 712 transitions. [2024-11-07 04:58:35,398 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 712 transitions. Word has length 205 [2024-11-07 04:58:35,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:35,399 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 712 transitions. [2024-11-07 04:58:35,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-07 04:58:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 712 transitions. [2024-11-07 04:58:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:35,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:35,400 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:35,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 04:58:35,401 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:35,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash -50287085, now seen corresponding path program 1 times [2024-11-07 04:58:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:35,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300160886] [2024-11-07 04:58:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:35,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:38,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:38,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300160886] [2024-11-07 04:58:38,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300160886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:38,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:38,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 04:58:38,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480480471] [2024-11-07 04:58:38,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:38,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 04:58:38,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:38,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 04:58:38,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:58:38,393 INFO L87 Difference]: Start difference. First operand 502 states and 712 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:58:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:40,318 INFO L93 Difference]: Finished difference Result 639 states and 878 transitions. [2024-11-07 04:58:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 04:58:40,318 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2024-11-07 04:58:40,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:40,323 INFO L225 Difference]: With dead ends: 639 [2024-11-07 04:58:40,323 INFO L226 Difference]: Without dead ends: 637 [2024-11-07 04:58:40,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2024-11-07 04:58:40,325 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 359 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:40,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 761 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 04:58:40,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-07 04:58:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 506. [2024-11-07 04:58:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 332 states have (on average 1.2228915662650603) internal successors, (406), 337 states have internal predecessors, (406), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 718 transitions. [2024-11-07 04:58:40,383 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 718 transitions. Word has length 205 [2024-11-07 04:58:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:40,384 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 718 transitions. [2024-11-07 04:58:40,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 04:58:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 718 transitions. [2024-11-07 04:58:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:40,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:40,385 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:40,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 04:58:40,386 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:40,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:40,386 INFO L85 PathProgramCache]: Analyzing trace with hash -48440043, now seen corresponding path program 1 times [2024-11-07 04:58:40,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:40,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596001924] [2024-11-07 04:58:40,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:40,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:44,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:44,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596001924] [2024-11-07 04:58:44,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596001924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:44,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:44,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 04:58:44,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221685468] [2024-11-07 04:58:44,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:44,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 04:58:44,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 04:58:44,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:58:44,286 INFO L87 Difference]: Start difference. First operand 506 states and 718 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:45,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:45,420 INFO L93 Difference]: Finished difference Result 637 states and 876 transitions. [2024-11-07 04:58:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 04:58:45,421 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-07 04:58:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:45,424 INFO L225 Difference]: With dead ends: 637 [2024-11-07 04:58:45,425 INFO L226 Difference]: Without dead ends: 635 [2024-11-07 04:58:45,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-07 04:58:45,426 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 269 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:45,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 822 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 04:58:45,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-11-07 04:58:45,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 502. [2024-11-07 04:58:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 328 states have (on average 1.2195121951219512) internal successors, (400), 333 states have internal predecessors, (400), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 712 transitions. [2024-11-07 04:58:45,480 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 712 transitions. Word has length 205 [2024-11-07 04:58:45,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:45,480 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 712 transitions. [2024-11-07 04:58:45,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 712 transitions. [2024-11-07 04:58:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:45,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:45,482 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:45,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 04:58:45,482 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:45,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:45,482 INFO L85 PathProgramCache]: Analyzing trace with hash -143539441, now seen corresponding path program 1 times [2024-11-07 04:58:45,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:45,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266587982] [2024-11-07 04:58:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:45,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:58:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:58:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:58:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:58:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:58:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:58:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:58:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:58:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:58:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:58:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:58:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:58:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:58:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:58:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:58:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:58:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:58:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:58:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:58:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:58:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:58:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:58:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:58:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:58:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:58:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:58:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:58:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:58:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:58:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:58:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:58:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:58:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:58:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:58:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 04:58:47,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:58:47,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266587982] [2024-11-07 04:58:47,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266587982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:58:47,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:58:47,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 04:58:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396167857] [2024-11-07 04:58:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:58:47,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:58:47,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:58:47,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:58:47,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:58:47,811 INFO L87 Difference]: Start difference. First operand 502 states and 712 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:48,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:58:48,606 INFO L93 Difference]: Finished difference Result 653 states and 897 transitions. [2024-11-07 04:58:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:58:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-07 04:58:48,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:58:48,611 INFO L225 Difference]: With dead ends: 653 [2024-11-07 04:58:48,611 INFO L226 Difference]: Without dead ends: 651 [2024-11-07 04:58:48,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:58:48,613 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 217 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:58:48,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 811 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:58:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-07 04:58:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 518. [2024-11-07 04:58:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 344 states have (on average 1.2325581395348837) internal successors, (424), 349 states have internal predecessors, (424), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 04:58:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 736 transitions. [2024-11-07 04:58:48,671 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 736 transitions. Word has length 205 [2024-11-07 04:58:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:58:48,672 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 736 transitions. [2024-11-07 04:58:48,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 04:58:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 736 transitions. [2024-11-07 04:58:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 04:58:48,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:58:48,674 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:48,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 04:58:48,675 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:58:48,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:58:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -141692399, now seen corresponding path program 1 times [2024-11-07 04:58:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:58:48,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198624419] [2024-11-07 04:58:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:58:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:58:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat