./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.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_loopvsstraightlinecode_100-while_file-61.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', '0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8'] 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_loopvsstraightlinecode_100-while_file-61.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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:12:22,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:12:22,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:12:22,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:12:22,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:12:22,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:12:22,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:12:22,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:12:22,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:12:22,995 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:12:22,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:12:22,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:12:22,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:12:22,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:12:22,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:12:22,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:12:22,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:12:22,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:12:23,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:12:23,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:12:23,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:12:23,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:12:23,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:12:23,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:12:23,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:12:23,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:12:23,001 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 -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 [2024-11-07 08:12:23,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:12:23,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:12:23,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:12:23,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:12:23,309 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:12:23,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2024-11-07 08:12:24,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:12:24,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:12:24,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2024-11-07 08:12:24,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4346bfc9d/f81047fddd7c4c9284285ce9af27f896/FLAGc4404333d [2024-11-07 08:12:25,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4346bfc9d/f81047fddd7c4c9284285ce9af27f896 [2024-11-07 08:12:25,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:12:25,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:12:25,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:12:25,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:12:25,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:12:25,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4404887a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25, skipping insertion in model container [2024-11-07 08:12:25,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:12:25,449 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_loopvsstraightlinecode_100-while_file-61.i[916,929] [2024-11-07 08:12:25,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:12:25,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:12:25,558 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_loopvsstraightlinecode_100-while_file-61.i[916,929] [2024-11-07 08:12:25,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:12:25,639 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:12:25,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25 WrapperNode [2024-11-07 08:12:25,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:12:25,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:12:25,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:12:25,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:12:25,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,715 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2024-11-07 08:12:25,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:12:25,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:12:25,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:12:25,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:12:25,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,780 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 08:12:25,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:12:25,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:12:25,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:12:25,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:12:25,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (1/1) ... [2024-11-07 08:12:25,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:12:25,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:12:25,870 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 08:12:25,877 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 08:12:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:12:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:12:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:12:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:12:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:12:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:12:25,985 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:12:25,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:12:26,521 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-07 08:12:26,522 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:12:26,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:12:26,539 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:12:26,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:26 BoogieIcfgContainer [2024-11-07 08:12:26,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:12:26,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:12:26,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:12:26,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:12:26,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:12:25" (1/3) ... [2024-11-07 08:12:26,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d4e705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:26, skipping insertion in model container [2024-11-07 08:12:26,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:25" (2/3) ... [2024-11-07 08:12:26,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d4e705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:26, skipping insertion in model container [2024-11-07 08:12:26,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:26" (3/3) ... [2024-11-07 08:12:26,551 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i [2024-11-07 08:12:26,567 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:12:26,567 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:12:26,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:12:26,642 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;@46b38adc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:12:26,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:12:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 78 states have internal predecessors, (114), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 08:12:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 08:12:26,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:26,667 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:26,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:26,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1908062083, now seen corresponding path program 1 times [2024-11-07 08:12:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:26,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799309095] [2024-11-07 08:12:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:27,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:27,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799309095] [2024-11-07 08:12:27,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799309095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:27,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:27,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:12:27,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688655622] [2024-11-07 08:12:27,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:27,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:12:27,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:12:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:12:27,344 INFO L87 Difference]: Start difference. First operand has 106 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 78 states have internal predecessors, (114), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:12:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:27,386 INFO L93 Difference]: Finished difference Result 205 states and 352 transitions. [2024-11-07 08:12:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:12:27,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175 [2024-11-07 08:12:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:27,397 INFO L225 Difference]: With dead ends: 205 [2024-11-07 08:12:27,397 INFO L226 Difference]: Without dead ends: 102 [2024-11-07 08:12:27,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:12:27,406 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:27,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:12:27,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-07 08:12:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-07 08:12:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.445945945945946) internal successors, (107), 74 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 08:12:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 159 transitions. [2024-11-07 08:12:27,473 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 159 transitions. Word has length 175 [2024-11-07 08:12:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:27,473 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 159 transitions. [2024-11-07 08:12:27,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:12:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-11-07 08:12:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 08:12:27,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:27,481 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:27,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:12:27,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:27,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash -839951813, now seen corresponding path program 1 times [2024-11-07 08:12:27,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:27,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269633259] [2024-11-07 08:12:27,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:34,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:34,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269633259] [2024-11-07 08:12:34,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269633259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:34,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:34,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:12:34,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825432885] [2024-11-07 08:12:34,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:34,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:12:34,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:12:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:12:34,862 INFO L87 Difference]: Start difference. First operand 102 states and 159 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-07 08:12:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:37,881 INFO L93 Difference]: Finished difference Result 437 states and 684 transitions. [2024-11-07 08:12:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 08:12:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 175 [2024-11-07 08:12:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:37,886 INFO L225 Difference]: With dead ends: 437 [2024-11-07 08:12:37,886 INFO L226 Difference]: Without dead ends: 338 [2024-11-07 08:12:37,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-07 08:12:37,888 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 548 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:37,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 826 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 08:12:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-07 08:12:37,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 168. [2024-11-07 08:12:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.424778761061947) internal successors, (161), 113 states have internal predecessors, (161), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:12:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 265 transitions. [2024-11-07 08:12:37,931 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 265 transitions. Word has length 175 [2024-11-07 08:12:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:37,931 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 265 transitions. [2024-11-07 08:12:37,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-07 08:12:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 265 transitions. [2024-11-07 08:12:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:37,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:37,935 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:37,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:12:37,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:37,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1423073304, now seen corresponding path program 1 times [2024-11-07 08:12:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:37,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397308451] [2024-11-07 08:12:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:38,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:38,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397308451] [2024-11-07 08:12:38,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397308451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:38,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:38,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306825173] [2024-11-07 08:12:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:38,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:38,302 INFO L87 Difference]: Start difference. First operand 168 states and 265 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:38,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:38,510 INFO L93 Difference]: Finished difference Result 343 states and 544 transitions. [2024-11-07 08:12:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:12:38,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-07 08:12:38,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:38,514 INFO L225 Difference]: With dead ends: 343 [2024-11-07 08:12:38,516 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 08:12:38,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:12:38,520 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 233 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:38,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 569 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:12:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 08:12:38,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 169. [2024-11-07 08:12:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 114 states have internal predecessors, (162), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:12:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 266 transitions. [2024-11-07 08:12:38,557 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 266 transitions. Word has length 176 [2024-11-07 08:12:38,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:38,558 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 266 transitions. [2024-11-07 08:12:38,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 266 transitions. [2024-11-07 08:12:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:38,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:38,564 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:38,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:12:38,565 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:38,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1289059798, now seen corresponding path program 1 times [2024-11-07 08:12:38,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:38,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621665911] [2024-11-07 08:12:38,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:39,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621665911] [2024-11-07 08:12:39,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621665911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:39,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:39,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:12:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694430279] [2024-11-07 08:12:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:39,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:12:39,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:39,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:12:39,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:12:39,679 INFO L87 Difference]: Start difference. First operand 169 states and 266 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:12:40,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:40,839 INFO L93 Difference]: Finished difference Result 485 states and 756 transitions. [2024-11-07 08:12:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 08:12:40,840 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 176 [2024-11-07 08:12:40,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:40,843 INFO L225 Difference]: With dead ends: 485 [2024-11-07 08:12:40,843 INFO L226 Difference]: Without dead ends: 386 [2024-11-07 08:12:40,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-07 08:12:40,847 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 608 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:40,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 794 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 08:12:40,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-07 08:12:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 179. [2024-11-07 08:12:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.4516129032258065) internal successors, (180), 124 states have internal predecessors, (180), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:12:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 284 transitions. [2024-11-07 08:12:40,872 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 284 transitions. Word has length 176 [2024-11-07 08:12:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:40,873 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 284 transitions. [2024-11-07 08:12:40,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:12:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2024-11-07 08:12:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:40,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:40,875 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:40,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 08:12:40,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:40,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash 267991444, now seen corresponding path program 1 times [2024-11-07 08:12:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:40,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802328478] [2024-11-07 08:12:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:41,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:41,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802328478] [2024-11-07 08:12:41,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802328478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:41,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:41,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:41,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003275191] [2024-11-07 08:12:41,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:41,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:41,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:41,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:41,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:41,355 INFO L87 Difference]: Start difference. First operand 179 states and 284 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:41,577 INFO L93 Difference]: Finished difference Result 391 states and 612 transitions. [2024-11-07 08:12:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:41,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-07 08:12:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:41,581 INFO L225 Difference]: With dead ends: 391 [2024-11-07 08:12:41,581 INFO L226 Difference]: Without dead ends: 286 [2024-11-07 08:12:41,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:41,582 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 120 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:41,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 343 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:12:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-07 08:12:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 275. [2024-11-07 08:12:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 191 states have (on average 1.418848167539267) internal successors, (271), 191 states have internal predecessors, (271), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 08:12:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 427 transitions. [2024-11-07 08:12:41,615 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 427 transitions. Word has length 176 [2024-11-07 08:12:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:41,615 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 427 transitions. [2024-11-07 08:12:41,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 427 transitions. [2024-11-07 08:12:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:41,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:41,617 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:41,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:12:41,618 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:41,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:41,618 INFO L85 PathProgramCache]: Analyzing trace with hash 741642659, now seen corresponding path program 1 times [2024-11-07 08:12:41,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:41,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710297204] [2024-11-07 08:12:41,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:42,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:42,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710297204] [2024-11-07 08:12:42,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710297204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:42,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:42,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:12:42,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516774717] [2024-11-07 08:12:42,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:42,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:12:42,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:12:42,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:12:42,436 INFO L87 Difference]: Start difference. First operand 275 states and 427 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:43,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:43,609 INFO L93 Difference]: Finished difference Result 634 states and 972 transitions. [2024-11-07 08:12:43,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 08:12:43,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-07 08:12:43,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:43,613 INFO L225 Difference]: With dead ends: 634 [2024-11-07 08:12:43,613 INFO L226 Difference]: Without dead ends: 434 [2024-11-07 08:12:43,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:12:43,615 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 631 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:43,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 655 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:12:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-07 08:12:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 299. [2024-11-07 08:12:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 215 states have (on average 1.441860465116279) internal successors, (310), 215 states have internal predecessors, (310), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 08:12:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 466 transitions. [2024-11-07 08:12:43,644 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 466 transitions. Word has length 176 [2024-11-07 08:12:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:43,644 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 466 transitions. [2024-11-07 08:12:43,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 466 transitions. [2024-11-07 08:12:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:43,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:43,646 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:43,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:12:43,647 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:43,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash 154836645, now seen corresponding path program 1 times [2024-11-07 08:12:43,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:43,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232028645] [2024-11-07 08:12:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:45,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:45,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232028645] [2024-11-07 08:12:45,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232028645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:45,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:45,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 08:12:45,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644962202] [2024-11-07 08:12:45,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:45,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 08:12:45,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:45,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 08:12:45,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:12:45,298 INFO L87 Difference]: Start difference. First operand 299 states and 466 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:46,748 INFO L93 Difference]: Finished difference Result 788 states and 1194 transitions. [2024-11-07 08:12:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 08:12:46,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-07 08:12:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:46,757 INFO L225 Difference]: With dead ends: 788 [2024-11-07 08:12:46,757 INFO L226 Difference]: Without dead ends: 588 [2024-11-07 08:12:46,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2024-11-07 08:12:46,759 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 577 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:46,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 964 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:12:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-07 08:12:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 326. [2024-11-07 08:12:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 242 states have (on average 1.4545454545454546) internal successors, (352), 242 states have internal predecessors, (352), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 08:12:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 508 transitions. [2024-11-07 08:12:46,797 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 508 transitions. Word has length 176 [2024-11-07 08:12:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:46,797 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 508 transitions. [2024-11-07 08:12:46,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 508 transitions. [2024-11-07 08:12:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 08:12:46,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:46,799 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:46,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 08:12:46,800 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:46,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash 185796817, now seen corresponding path program 1 times [2024-11-07 08:12:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823162496] [2024-11-07 08:12:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:47,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:47,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823162496] [2024-11-07 08:12:47,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823162496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:47,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:47,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:47,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256938582] [2024-11-07 08:12:47,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:47,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:47,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:47,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:47,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:47,881 INFO L87 Difference]: Start difference. First operand 326 states and 508 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:48,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:48,235 INFO L93 Difference]: Finished difference Result 610 states and 946 transitions. [2024-11-07 08:12:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:48,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-07 08:12:48,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:48,240 INFO L225 Difference]: With dead ends: 610 [2024-11-07 08:12:48,240 INFO L226 Difference]: Without dead ends: 392 [2024-11-07 08:12:48,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:48,242 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 95 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:48,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 509 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:48,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-07 08:12:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 326. [2024-11-07 08:12:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 242 states have (on average 1.4545454545454546) internal successors, (352), 242 states have internal predecessors, (352), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 08:12:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 508 transitions. [2024-11-07 08:12:48,273 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 508 transitions. Word has length 176 [2024-11-07 08:12:48,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:48,273 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 508 transitions. [2024-11-07 08:12:48,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 508 transitions. [2024-11-07 08:12:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 08:12:48,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:48,276 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:48,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 08:12:48,277 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:48,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1819888179, now seen corresponding path program 1 times [2024-11-07 08:12:48,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:48,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891006861] [2024-11-07 08:12:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:48,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:49,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:49,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891006861] [2024-11-07 08:12:49,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891006861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:49,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:49,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:12:49,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753808345] [2024-11-07 08:12:49,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:49,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:12:49,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:49,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:12:49,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:49,154 INFO L87 Difference]: Start difference. First operand 326 states and 508 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:49,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:49,482 INFO L93 Difference]: Finished difference Result 650 states and 994 transitions. [2024-11-07 08:12:49,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:12:49,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-07 08:12:49,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:49,488 INFO L225 Difference]: With dead ends: 650 [2024-11-07 08:12:49,489 INFO L226 Difference]: Without dead ends: 425 [2024-11-07 08:12:49,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 08:12:49,491 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 167 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:49,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 441 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-07 08:12:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 314. [2024-11-07 08:12:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 230 states have (on average 1.4130434782608696) internal successors, (325), 230 states have internal predecessors, (325), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 08:12:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 481 transitions. [2024-11-07 08:12:49,517 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 481 transitions. Word has length 177 [2024-11-07 08:12:49,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:49,518 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 481 transitions. [2024-11-07 08:12:49,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 481 transitions. [2024-11-07 08:12:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 08:12:49,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:49,520 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:49,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 08:12:49,520 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:49,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash -166914336, now seen corresponding path program 1 times [2024-11-07 08:12:49,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:49,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149946695] [2024-11-07 08:12:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:49,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:12:49,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:49,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149946695] [2024-11-07 08:12:49,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149946695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:49,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:49,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:12:49,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107306942] [2024-11-07 08:12:49,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:49,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:12:49,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:49,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:12:49,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:49,840 INFO L87 Difference]: Start difference. First operand 314 states and 481 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:49,994 INFO L93 Difference]: Finished difference Result 550 states and 843 transitions. [2024-11-07 08:12:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:49,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-07 08:12:49,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:49,997 INFO L225 Difference]: With dead ends: 550 [2024-11-07 08:12:49,997 INFO L226 Difference]: Without dead ends: 313 [2024-11-07 08:12:49,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:49,999 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 77 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:49,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 393 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-07 08:12:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 209. [2024-11-07 08:12:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 152 states have (on average 1.381578947368421) internal successors, (210), 152 states have internal predecessors, (210), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:12:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 314 transitions. [2024-11-07 08:12:50,039 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 314 transitions. Word has length 178 [2024-11-07 08:12:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:50,039 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 314 transitions. [2024-11-07 08:12:50,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:12:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 314 transitions. [2024-11-07 08:12:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 08:12:50,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:50,044 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:50,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 08:12:50,044 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:50,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:50,045 INFO L85 PathProgramCache]: Analyzing trace with hash 138855975, now seen corresponding path program 1 times [2024-11-07 08:12:50,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:50,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844623413] [2024-11-07 08:12:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 08:12:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 08:12:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:12:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 08:12:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:12:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:12:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 08:12:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:12:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 08:12:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:12:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:12:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-07 08:12:50,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:50,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844623413] [2024-11-07 08:12:50,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844623413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:12:50,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980531159] [2024-11-07 08:12:50,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:50,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:12:50,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:12:50,490 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 08:12:50,492 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 08:12:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:50,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 08:12:50,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:12:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-07 08:12:51,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:12:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-07 08:12:51,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980531159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:12:51,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:12:51,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-11-07 08:12:51,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672073525] [2024-11-07 08:12:51,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:12:51,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:12:51,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:12:51,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:12:51,387 INFO L87 Difference]: Start difference. First operand 209 states and 314 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78) [2024-11-07 08:12:51,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:51,871 INFO L93 Difference]: Finished difference Result 381 states and 558 transitions. [2024-11-07 08:12:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 08:12:51,873 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78) Word has length 180 [2024-11-07 08:12:51,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:51,875 INFO L225 Difference]: With dead ends: 381 [2024-11-07 08:12:51,875 INFO L226 Difference]: Without dead ends: 232 [2024-11-07 08:12:51,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:12:51,876 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 314 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:51,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 462 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:51,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-07 08:12:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 207. [2024-11-07 08:12:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 148 states have (on average 1.3310810810810811) internal successors, (197), 148 states have internal predecessors, (197), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:12:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 301 transitions. [2024-11-07 08:12:51,902 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 301 transitions. Word has length 180 [2024-11-07 08:12:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:51,902 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 301 transitions. [2024-11-07 08:12:51,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78) [2024-11-07 08:12:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 301 transitions. [2024-11-07 08:12:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 08:12:51,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:51,905 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:51,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 08:12:52,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 08:12:52,110 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:52,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2035287202, now seen corresponding path program 1 times [2024-11-07 08:12:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:52,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365712686] [2024-11-07 08:12:52,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat