./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.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-100_file-42.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', 'bcbcb400fb3c2001bae06c1a3f5fabc11943b7dd9f57ad2b480b7bdc063ccccb'] 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-100_file-42.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 bcbcb400fb3c2001bae06c1a3f5fabc11943b7dd9f57ad2b480b7bdc063ccccb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:43:50,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:43:50,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:43:50,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:43:50,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:43:50,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:43:50,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:43:50,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:43:50,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:43:50,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:43:50,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:43:50,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:43:50,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:43:50,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:43:50,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:43:50,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:43:50,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:43:50,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:43:50,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:43:50,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:43:50,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:43:50,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:43:50,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:43:50,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:43:50,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:43:50,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:43:50,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:43:50,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:43:50,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:43:50,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:43:50,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:43:50,824 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 -> bcbcb400fb3c2001bae06c1a3f5fabc11943b7dd9f57ad2b480b7bdc063ccccb [2024-11-07 04:43:51,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:43:51,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:43:51,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:43:51,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:43:51,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:43:51,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-07 04:43:52,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:43:52,726 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:43:52,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-07 04:43:52,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/152d4f4b6/85ade6d47481408aaaa814cef8e582f8/FLAG8e6248062 [2024-11-07 04:43:52,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/152d4f4b6/85ade6d47481408aaaa814cef8e582f8 [2024-11-07 04:43:52,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:43:52,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:43:52,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:43:52,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:43:52,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:43:52,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:52" (1/1) ... [2024-11-07 04:43:52,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b4786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:52, skipping insertion in model container [2024-11-07 04:43:52,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:52" (1/1) ... [2024-11-07 04:43:52,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:43:52,929 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-100_file-42.i[916,929] [2024-11-07 04:43:53,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:43:53,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:43:53,036 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-100_file-42.i[916,929] [2024-11-07 04:43:53,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:43:53,099 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:43:53,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53 WrapperNode [2024-11-07 04:43:53,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:43:53,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:43:53,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:43:53,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:43:53,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,164 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-11-07 04:43:53,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:43:53,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:43:53,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:43:53,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:43:53,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,213 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 04:43:53,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:43:53,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:43:53,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:43:53,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:43:53,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (1/1) ... [2024-11-07 04:43:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:43:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:43:53,302 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 04:43:53,309 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 04:43:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:43:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:43:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:43:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:43:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:43:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:43:53,459 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:43:53,461 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:43:54,085 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-07 04:43:54,086 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:43:54,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:43:54,102 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:43:54,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:43:54 BoogieIcfgContainer [2024-11-07 04:43:54,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:43:54,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:43:54,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:43:54,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:43:54,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:43:52" (1/3) ... [2024-11-07 04:43:54,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278cc2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:43:54, skipping insertion in model container [2024-11-07 04:43:54,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:53" (2/3) ... [2024-11-07 04:43:54,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278cc2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:43:54, skipping insertion in model container [2024-11-07 04:43:54,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:43:54" (3/3) ... [2024-11-07 04:43:54,113 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-07 04:43:54,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:43:54,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:43:54,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:43:54,210 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;@373ccfcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:43:54,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:43:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 90 states have internal predecessors, (128), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 04:43:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-07 04:43:54,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:54,242 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:54,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:54,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:54,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1657357438, now seen corresponding path program 1 times [2024-11-07 04:43:54,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:54,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174464160] [2024-11-07 04:43:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:54,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:43:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:43:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:43:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:43:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:43:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:43:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:43:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:43:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:43:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:43:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:43:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:43:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:43:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:43:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:43:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:43:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:43:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:43:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:43:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:43:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:43:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:43:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:43:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:43:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:43:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:43:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:43:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:43:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-07 04:43:55,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:55,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174464160] [2024-11-07 04:43:55,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174464160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:55,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 04:43:55,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502471566] [2024-11-07 04:43:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:55,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 04:43:55,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 04:43:55,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 04:43:55,974 INFO L87 Difference]: Start difference. First operand has 149 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 90 states have internal predecessors, (128), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:56,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:56,413 INFO L93 Difference]: Finished difference Result 434 states and 831 transitions. [2024-11-07 04:43:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:43:56,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 353 [2024-11-07 04:43:56,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:56,430 INFO L225 Difference]: With dead ends: 434 [2024-11-07 04:43:56,430 INFO L226 Difference]: Without dead ends: 288 [2024-11-07 04:43:56,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:43:56,438 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 177 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:56,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 687 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:43:56,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-07 04:43:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 267. [2024-11-07 04:43:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 150 states have (on average 1.3866666666666667) internal successors, (208), 150 states have internal predecessors, (208), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 04:43:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 436 transitions. [2024-11-07 04:43:56,553 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 436 transitions. Word has length 353 [2024-11-07 04:43:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:56,557 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 436 transitions. [2024-11-07 04:43:56,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 436 transitions. [2024-11-07 04:43:56,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-07 04:43:56,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:56,570 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:56,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:43:56,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:56,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:56,572 INFO L85 PathProgramCache]: Analyzing trace with hash -64710391, now seen corresponding path program 1 times [2024-11-07 04:43:56,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:56,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318518230] [2024-11-07 04:43:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:43:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:43:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:43:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:43:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:43:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:43:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:43:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:43:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:43:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:43:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:43:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:43:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:43:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:43:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:43:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:43:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:43:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:43:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:43:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:43:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:43:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:43:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:43:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:43:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:43:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:43:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:43:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:43:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-07 04:43:57,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:57,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318518230] [2024-11-07 04:43:57,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318518230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:57,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:57,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 04:43:57,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330038658] [2024-11-07 04:43:57,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:57,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 04:43:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 04:43:57,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:43:57,663 INFO L87 Difference]: Start difference. First operand 267 states and 436 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:58,270 INFO L93 Difference]: Finished difference Result 595 states and 967 transitions. [2024-11-07 04:43:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 04:43:58,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 354 [2024-11-07 04:43:58,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:58,280 INFO L225 Difference]: With dead ends: 595 [2024-11-07 04:43:58,280 INFO L226 Difference]: Without dead ends: 453 [2024-11-07 04:43:58,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:43:58,285 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 207 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:58,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 859 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 04:43:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-07 04:43:58,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 407. [2024-11-07 04:43:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 232 states have (on average 1.396551724137931) internal successors, (324), 232 states have internal predecessors, (324), 171 states have call successors, (171), 3 states have call predecessors, (171), 3 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-07 04:43:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 666 transitions. [2024-11-07 04:43:58,402 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 666 transitions. Word has length 354 [2024-11-07 04:43:58,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:58,403 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 666 transitions. [2024-11-07 04:43:58,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 666 transitions. [2024-11-07 04:43:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-07 04:43:58,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:58,410 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:58,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:43:58,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:58,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1344574069, now seen corresponding path program 1 times [2024-11-07 04:43:58,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:58,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539701454] [2024-11-07 04:43:58,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:43:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:43:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:43:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:43:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:43:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:43:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:43:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:43:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:43:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:43:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:43:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:43:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:43:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:43:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:43:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:43:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:43:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:43:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:43:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:43:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:43:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:43:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:43:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:43:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:43:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:43:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:43:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:43:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-07 04:43:58,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539701454] [2024-11-07 04:43:58,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539701454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:58,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:58,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:43:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962530848] [2024-11-07 04:43:58,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:58,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:43:58,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:58,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:43:58,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:43:58,997 INFO L87 Difference]: Start difference. First operand 407 states and 666 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:59,076 INFO L93 Difference]: Finished difference Result 689 states and 1128 transitions. [2024-11-07 04:43:59,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:43:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 354 [2024-11-07 04:43:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:59,083 INFO L225 Difference]: With dead ends: 689 [2024-11-07 04:43:59,083 INFO L226 Difference]: Without dead ends: 407 [2024-11-07 04:43:59,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 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 04:43:59,085 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:59,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:43:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-07 04:43:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-07 04:43:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 232 states have (on average 1.3879310344827587) internal successors, (322), 232 states have internal predecessors, (322), 171 states have call successors, (171), 3 states have call predecessors, (171), 3 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-07 04:43:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 664 transitions. [2024-11-07 04:43:59,152 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 664 transitions. Word has length 354 [2024-11-07 04:43:59,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:59,154 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 664 transitions. [2024-11-07 04:43:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-07 04:43:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 664 transitions. [2024-11-07 04:43:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-07 04:43:59,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:59,159 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:59,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:43:59,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:59,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash -664515699, now seen corresponding path program 1 times [2024-11-07 04:43:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:59,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096248694] [2024-11-07 04:43:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:43:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:43:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:43:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:43:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:43:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:43:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:43:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:43:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:43:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:43:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:43:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:43:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:43:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:43:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:43:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:43:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:43:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:43:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:43:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:43:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:43:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:43:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:43:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:43:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:59,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:43:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:44:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:44:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:44:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 117 proven. 51 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2024-11-07 04:44:00,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:44:00,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096248694] [2024-11-07 04:44:00,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096248694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:44:00,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667982429] [2024-11-07 04:44:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:44:00,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:44:00,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:44:00,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 04:44:00,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 04:44:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:00,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 04:44:00,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:44:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 2786 proven. 51 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2024-11-07 04:44:00,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:44:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 117 proven. 51 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2024-11-07 04:44:01,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667982429] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:44:01,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:44:01,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-07 04:44:01,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879447949] [2024-11-07 04:44:01,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:44:01,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 04:44:01,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:44:01,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 04:44:01,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:44:01,164 INFO L87 Difference]: Start difference. First operand 407 states and 664 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2024-11-07 04:44:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:44:01,687 INFO L93 Difference]: Finished difference Result 728 states and 1176 transitions. [2024-11-07 04:44:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 04:44:01,688 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) Word has length 354 [2024-11-07 04:44:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:44:01,693 INFO L225 Difference]: With dead ends: 728 [2024-11-07 04:44:01,693 INFO L226 Difference]: Without dead ends: 425 [2024-11-07 04:44:01,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 829 GetRequests, 819 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:44:01,696 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 337 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:44:01,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 397 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 04:44:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-07 04:44:01,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2024-11-07 04:44:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 241 states have (on average 1.3609958506224067) internal successors, (328), 241 states have internal predecessors, (328), 171 states have call successors, (171), 6 states have call predecessors, (171), 6 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-07 04:44:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 670 transitions. [2024-11-07 04:44:01,781 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 670 transitions. Word has length 354 [2024-11-07 04:44:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:44:01,783 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 670 transitions. [2024-11-07 04:44:01,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2024-11-07 04:44:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 670 transitions. [2024-11-07 04:44:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-07 04:44:01,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:44:01,790 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:01,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 04:44:01,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:44:01,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:44:01,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:44:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash -155042609, now seen corresponding path program 1 times [2024-11-07 04:44:01,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:44:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781519197] [2024-11-07 04:44:01,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:44:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:44:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:44:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:44:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:44:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:44:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:44:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:44:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:44:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:44:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:44:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:44:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:44:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:44:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:44:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:44:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:44:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:44:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:44:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:44:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:44:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:44:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:44:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:44:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:44:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:44:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:44:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:44:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:44:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:44:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:44:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:44:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:44:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:44:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:44:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:44:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:44:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:44:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:44:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:44:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:44:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:44:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:44:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:44:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:44:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:44:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:44:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:44:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:44:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:44:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:44:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:44:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:44:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:44:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:44:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:44:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:44:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:44:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:44:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 51 proven. 279 refuted. 0 times theorem prover too weak. 6054 trivial. 0 not checked. [2024-11-07 04:44:03,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:44:03,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781519197] [2024-11-07 04:44:03,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781519197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:44:03,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935871150] [2024-11-07 04:44:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:44:03,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:44:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:44:03,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 04:44:03,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 04:44:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:03,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 04:44:03,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:44:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 2039 proven. 279 refuted. 0 times theorem prover too weak. 4066 trivial. 0 not checked. [2024-11-07 04:44:05,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:44:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 51 proven. 282 refuted. 0 times theorem prover too weak. 6051 trivial. 0 not checked. [2024-11-07 04:44:06,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935871150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:44:06,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:44:06,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 11] total 20 [2024-11-07 04:44:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625565062] [2024-11-07 04:44:06,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:44:06,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 04:44:06,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:44:06,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 04:44:06,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2024-11-07 04:44:06,598 INFO L87 Difference]: Start difference. First operand 419 states and 670 transitions. Second operand has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2024-11-07 04:44:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:44:10,193 INFO L93 Difference]: Finished difference Result 2027 states and 3160 transitions. [2024-11-07 04:44:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-07 04:44:10,194 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) Word has length 354 [2024-11-07 04:44:10,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:44:10,207 INFO L225 Difference]: With dead ends: 2027 [2024-11-07 04:44:10,208 INFO L226 Difference]: Without dead ends: 1725 [2024-11-07 04:44:10,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 817 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2687 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1452, Invalid=6380, Unknown=0, NotChecked=0, Total=7832 [2024-11-07 04:44:10,214 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 1489 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 2470 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 2387 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 2470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-07 04:44:10,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 2387 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 2470 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-07 04:44:10,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-07 04:44:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 861. [2024-11-07 04:44:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 595 states have (on average 1.4436974789915966) internal successors, (859), 598 states have internal predecessors, (859), 246 states have call successors, (246), 19 states have call predecessors, (246), 19 states have return successors, (246), 243 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-07 04:44:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1351 transitions. [2024-11-07 04:44:10,352 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1351 transitions. Word has length 354 [2024-11-07 04:44:10,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:44:10,354 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1351 transitions. [2024-11-07 04:44:10,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2024-11-07 04:44:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1351 transitions. [2024-11-07 04:44:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-07 04:44:10,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:44:10,359 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:10,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 04:44:10,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:44:10,560 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:44:10,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:44:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1166159859, now seen corresponding path program 1 times [2024-11-07 04:44:10,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:44:10,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921990930] [2024-11-07 04:44:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:44:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:44:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:44:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:44:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:44:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:44:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:44:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:44:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:44:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:44:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:44:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 04:44:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:44:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:44:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:44:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:44:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 04:44:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:44:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 04:44:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:44:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:44:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:44:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:44:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:44:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:44:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:44:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 04:44:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:44:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 04:44:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:44:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 04:44:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 04:44:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:44:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 04:44:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:44:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 04:44:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:44:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 04:44:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:44:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 04:44:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:44:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 04:44:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:44:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 04:44:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:44:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 04:44:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:44:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 04:44:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:44:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:44:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:11,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:44:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:44:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:44:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:44:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:44:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 04:44:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 04:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 04:44:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 04:44:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 318 proven. 168 refuted. 0 times theorem prover too weak. 5898 trivial. 0 not checked. [2024-11-07 04:44:12,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:44:12,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921990930] [2024-11-07 04:44:12,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921990930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:44:12,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225985476] [2024-11-07 04:44:12,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:44:12,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:44:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:44:12,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 04:44:12,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 04:44:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:44:12,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 04:44:12,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:44:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 3377 proven. 297 refuted. 0 times theorem prover too weak. 2710 trivial. 0 not checked. [2024-11-07 04:44:13,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:44:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 318 proven. 177 refuted. 0 times theorem prover too weak. 5889 trivial. 0 not checked. [2024-11-07 04:44:14,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225985476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:44:14,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:44:14,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 26 [2024-11-07 04:44:14,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646963977] [2024-11-07 04:44:14,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:44:14,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-07 04:44:14,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:44:14,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-07 04:44:14,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2024-11-07 04:44:14,221 INFO L87 Difference]: Start difference. First operand 861 states and 1351 transitions. Second operand has 26 states, 24 states have (on average 6.166666666666667) internal successors, (148), 23 states have internal predecessors, (148), 9 states have call successors, (101), 4 states have call predecessors, (101), 9 states have return successors, (104), 9 states have call predecessors, (104), 9 states have call successors, (104) [2024-11-07 04:44:21,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:25,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:28,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:32,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:36,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:40,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:43,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:47,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:50,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:54,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:44:56,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:00,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:04,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:08,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:12,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:14,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 04:45:18,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []