./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.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_operatoramount_amount100_file-20.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', '36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677'] 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_operatoramount_amount100_file-20.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 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:02:30,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:02:30,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:02:30,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:02:30,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:02:30,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:02:30,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:02:30,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:02:30,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:02:30,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:02:30,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:02:30,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:02:30,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:02:30,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:02:30,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:02:30,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:02:30,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:02:30,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:02:30,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:02:30,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:02:30,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:02:30,841 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 -> 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 [2024-11-07 09:02:31,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:02:31,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:02:31,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:02:31,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:02:31,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:02:31,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-11-07 09:02:32,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:02:32,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:02:32,938 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-11-07 09:02:32,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83c1788d2/debda251d12647348b48fc32dee0fe51/FLAG96a2c0a1c [2024-11-07 09:02:32,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83c1788d2/debda251d12647348b48fc32dee0fe51 [2024-11-07 09:02:32,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:02:32,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:02:32,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:02:32,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:02:32,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:02:32,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:02:32" (1/1) ... [2024-11-07 09:02:32,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103e3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:32, skipping insertion in model container [2024-11-07 09:02:32,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:02:32" (1/1) ... [2024-11-07 09:02:33,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:02:33,151 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_operatoramount_amount100_file-20.i[916,929] [2024-11-07 09:02:33,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:02:33,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:02:33,264 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_operatoramount_amount100_file-20.i[916,929] [2024-11-07 09:02:33,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:02:33,344 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:02:33,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33 WrapperNode [2024-11-07 09:02:33,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:02:33,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:02:33,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:02:33,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:02:33,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,437 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-11-07 09:02:33,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:02:33,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:02:33,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:02:33,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:02:33,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,489 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 09:02:33,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:02:33,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:02:33,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:02:33,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:02:33,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (1/1) ... [2024-11-07 09:02:33,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:02:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:02:33,583 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 09:02:33,587 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 09:02:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:02:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:02:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:02:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:02:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:02:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:02:33,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:02:33,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:02:34,348 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-07 09:02:34,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:02:34,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:02:34,367 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:02:34,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:02:34 BoogieIcfgContainer [2024-11-07 09:02:34,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:02:34,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:02:34,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:02:34,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:02:34,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:02:32" (1/3) ... [2024-11-07 09:02:34,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35bd5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:02:34, skipping insertion in model container [2024-11-07 09:02:34,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:02:33" (2/3) ... [2024-11-07 09:02:34,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35bd5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:02:34, skipping insertion in model container [2024-11-07 09:02:34,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:02:34" (3/3) ... [2024-11-07 09:02:34,378 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-20.i [2024-11-07 09:02:34,393 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:02:34,393 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:02:34,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:02:34,461 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;@2b14056c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:02:34,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:02:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 09:02:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 09:02:34,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:34,490 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:34,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:34,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash -188708125, now seen corresponding path program 1 times [2024-11-07 09:02:34,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:34,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421860701] [2024-11-07 09:02:34,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:35,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:35,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421860701] [2024-11-07 09:02:35,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421860701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:35,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:35,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:02:35,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487809158] [2024-11-07 09:02:35,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:35,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:02:35,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:35,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:02:35,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:02:35,173 INFO L87 Difference]: Start difference. First operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 09:02:35,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:35,209 INFO L93 Difference]: Finished difference Result 225 states and 385 transitions. [2024-11-07 09:02:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:02:35,211 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-07 09:02:35,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:35,220 INFO L225 Difference]: With dead ends: 225 [2024-11-07 09:02:35,220 INFO L226 Difference]: Without dead ends: 112 [2024-11-07 09:02:35,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 09:02:35,232 INFO L432 NwaCegarLoop]: 173 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, 173 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 09:02:35,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:02:35,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-07 09:02:35,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-07 09:02:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 09:02:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 173 transitions. [2024-11-07 09:02:35,294 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 173 transitions. Word has length 204 [2024-11-07 09:02:35,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:35,295 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 173 transitions. [2024-11-07 09:02:35,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 09:02:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2024-11-07 09:02:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 09:02:35,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:35,303 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:35,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:02:35,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:35,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:35,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1828239895, now seen corresponding path program 1 times [2024-11-07 09:02:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077912995] [2024-11-07 09:02:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:36,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077912995] [2024-11-07 09:02:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077912995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:36,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:36,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 09:02:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540465001] [2024-11-07 09:02:36,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:36,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 09:02:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:36,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 09:02:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:02:36,108 INFO L87 Difference]: Start difference. First operand 112 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:36,579 INFO L93 Difference]: Finished difference Result 364 states and 565 transitions. [2024-11-07 09:02:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:02:36,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-07 09:02:36,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:36,585 INFO L225 Difference]: With dead ends: 364 [2024-11-07 09:02:36,587 INFO L226 Difference]: Without dead ends: 255 [2024-11-07 09:02:36,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:02:36,589 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 169 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:36,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 737 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:02:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-07 09:02:36,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 244. [2024-11-07 09:02:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 179 states have internal predecessors, (251), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:02:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 375 transitions. [2024-11-07 09:02:36,632 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 375 transitions. Word has length 204 [2024-11-07 09:02:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:36,632 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 375 transitions. [2024-11-07 09:02:36,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 375 transitions. [2024-11-07 09:02:36,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 09:02:36,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:36,636 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:36,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:02:36,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:36,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:36,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2066247177, now seen corresponding path program 1 times [2024-11-07 09:02:36,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:36,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366436338] [2024-11-07 09:02:36,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:37,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:37,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366436338] [2024-11-07 09:02:37,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366436338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:37,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:37,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:02:37,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523023086] [2024-11-07 09:02:37,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:37,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:02:37,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:37,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:02:37,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:02:37,448 INFO L87 Difference]: Start difference. First operand 244 states and 375 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:38,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:38,067 INFO L93 Difference]: Finished difference Result 716 states and 1103 transitions. [2024-11-07 09:02:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 09:02:38,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-07 09:02:38,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:38,075 INFO L225 Difference]: With dead ends: 716 [2024-11-07 09:02:38,076 INFO L226 Difference]: Without dead ends: 475 [2024-11-07 09:02:38,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:02:38,079 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 151 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:38,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 813 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 09:02:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-07 09:02:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 325. [2024-11-07 09:02:38,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 260 states have (on average 1.45) internal successors, (377), 260 states have internal predecessors, (377), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:02:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 501 transitions. [2024-11-07 09:02:38,145 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 501 transitions. Word has length 205 [2024-11-07 09:02:38,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:38,146 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 501 transitions. [2024-11-07 09:02:38,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 501 transitions. [2024-11-07 09:02:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 09:02:38,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:38,153 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 09:02:38,153 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:38,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1411071669, now seen corresponding path program 1 times [2024-11-07 09:02:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219892723] [2024-11-07 09:02:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:38,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:38,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219892723] [2024-11-07 09:02:38,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219892723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:38,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:38,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:02:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557786531] [2024-11-07 09:02:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:38,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:02:38,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:38,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:02:38,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:02:38,532 INFO L87 Difference]: Start difference. First operand 325 states and 501 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:38,899 INFO L93 Difference]: Finished difference Result 942 states and 1456 transitions. [2024-11-07 09:02:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:02:38,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-07 09:02:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:38,909 INFO L225 Difference]: With dead ends: 942 [2024-11-07 09:02:38,911 INFO L226 Difference]: Without dead ends: 620 [2024-11-07 09:02:38,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:02:38,914 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 143 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:38,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 581 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:02:38,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-07 09:02:38,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 408. [2024-11-07 09:02:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 343 states have (on average 1.469387755102041) internal successors, (504), 343 states have internal predecessors, (504), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:02:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 628 transitions. [2024-11-07 09:02:38,959 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 628 transitions. Word has length 205 [2024-11-07 09:02:38,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:38,960 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 628 transitions. [2024-11-07 09:02:38,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 628 transitions. [2024-11-07 09:02:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 09:02:38,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:38,963 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:38,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 09:02:38,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:38,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:38,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1165028432, now seen corresponding path program 1 times [2024-11-07 09:02:38,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:38,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138719703] [2024-11-07 09:02:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:38,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:44,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:44,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138719703] [2024-11-07 09:02:44,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138719703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:44,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:44,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:02:44,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602801676] [2024-11-07 09:02:44,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:44,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:02:44,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:02:44,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-07 09:02:44,059 INFO L87 Difference]: Start difference. First operand 408 states and 628 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:45,239 INFO L93 Difference]: Finished difference Result 1040 states and 1559 transitions. [2024-11-07 09:02:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:02:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 09:02:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:45,245 INFO L225 Difference]: With dead ends: 1040 [2024-11-07 09:02:45,245 INFO L226 Difference]: Without dead ends: 635 [2024-11-07 09:02:45,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:02:45,248 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 286 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:45,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 673 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 09:02:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-11-07 09:02:45,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 456. [2024-11-07 09:02:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 391 states have (on average 1.4782608695652173) internal successors, (578), 391 states have internal predecessors, (578), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:02:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 702 transitions. [2024-11-07 09:02:45,296 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 702 transitions. Word has length 206 [2024-11-07 09:02:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:45,296 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 702 transitions. [2024-11-07 09:02:45,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 702 transitions. [2024-11-07 09:02:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 09:02:45,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:45,300 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:45,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 09:02:45,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:45,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1850075186, now seen corresponding path program 1 times [2024-11-07 09:02:45,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555239612] [2024-11-07 09:02:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:46,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:46,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555239612] [2024-11-07 09:02:46,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555239612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:46,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:46,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:02:46,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110051714] [2024-11-07 09:02:46,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:46,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:02:46,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:46,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:02:46,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 09:02:46,657 INFO L87 Difference]: Start difference. First operand 456 states and 702 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:48,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:48,087 INFO L93 Difference]: Finished difference Result 1303 states and 1966 transitions. [2024-11-07 09:02:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:02:48,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 09:02:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:48,094 INFO L225 Difference]: With dead ends: 1303 [2024-11-07 09:02:48,095 INFO L226 Difference]: Without dead ends: 850 [2024-11-07 09:02:48,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 09:02:48,098 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 389 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:48,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 618 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 09:02:48,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-07 09:02:48,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 486. [2024-11-07 09:02:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 421 states have (on average 1.484560570071259) internal successors, (625), 421 states have internal predecessors, (625), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:02:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 749 transitions. [2024-11-07 09:02:48,148 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 749 transitions. Word has length 206 [2024-11-07 09:02:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:48,149 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 749 transitions. [2024-11-07 09:02:48,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 749 transitions. [2024-11-07 09:02:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 09:02:48,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:48,154 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:48,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 09:02:48,155 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:48,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1561386866, now seen corresponding path program 1 times [2024-11-07 09:02:48,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:48,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38948358] [2024-11-07 09:02:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:49,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38948358] [2024-11-07 09:02:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38948358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:49,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:49,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:02:49,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310251382] [2024-11-07 09:02:49,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:49,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:02:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:49,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:02:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:02:49,829 INFO L87 Difference]: Start difference. First operand 486 states and 749 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:52,062 INFO L93 Difference]: Finished difference Result 1447 states and 2180 transitions. [2024-11-07 09:02:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 09:02:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 09:02:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:52,070 INFO L225 Difference]: With dead ends: 1447 [2024-11-07 09:02:52,070 INFO L226 Difference]: Without dead ends: 964 [2024-11-07 09:02:52,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-07 09:02:52,073 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 337 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:52,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1059 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 09:02:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-07 09:02:52,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 551. [2024-11-07 09:02:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 454 states have (on average 1.460352422907489) internal successors, (663), 454 states have internal predecessors, (663), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-07 09:02:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 849 transitions. [2024-11-07 09:02:52,139 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 849 transitions. Word has length 206 [2024-11-07 09:02:52,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:52,139 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 849 transitions. [2024-11-07 09:02:52,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 849 transitions. [2024-11-07 09:02:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 09:02:52,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:52,143 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:52,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 09:02:52,143 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:52,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:52,144 INFO L85 PathProgramCache]: Analyzing trace with hash 2090449416, now seen corresponding path program 1 times [2024-11-07 09:02:52,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:52,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979109719] [2024-11-07 09:02:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:55,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:55,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979109719] [2024-11-07 09:02:55,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979109719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:55,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:55,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:02:55,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301174005] [2024-11-07 09:02:55,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:55,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:02:55,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:55,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:02:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:02:55,408 INFO L87 Difference]: Start difference. First operand 551 states and 849 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:58,157 INFO L93 Difference]: Finished difference Result 1545 states and 2368 transitions. [2024-11-07 09:02:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 09:02:58,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 09:02:58,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:58,166 INFO L225 Difference]: With dead ends: 1545 [2024-11-07 09:02:58,167 INFO L226 Difference]: Without dead ends: 1062 [2024-11-07 09:02:58,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:02:58,169 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 475 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:58,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 942 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 09:02:58,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-07 09:02:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 807. [2024-11-07 09:02:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 704 states have (on average 1.4928977272727273) internal successors, (1051), 705 states have internal predecessors, (1051), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:02:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1245 transitions. [2024-11-07 09:02:58,224 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1245 transitions. Word has length 206 [2024-11-07 09:02:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:58,224 INFO L471 AbstractCegarLoop]: Abstraction has 807 states and 1245 transitions. [2024-11-07 09:02:58,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1245 transitions. [2024-11-07 09:02:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 09:02:58,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:58,228 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:58,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 09:02:58,228 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:58,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1272800966, now seen corresponding path program 1 times [2024-11-07 09:02:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947109441] [2024-11-07 09:02:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:58,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:58,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947109441] [2024-11-07 09:02:58,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947109441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:58,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:58,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:02:58,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983983664] [2024-11-07 09:02:58,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:58,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:02:58,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:58,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:02:58,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:02:58,386 INFO L87 Difference]: Start difference. First operand 807 states and 1245 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:58,487 INFO L93 Difference]: Finished difference Result 1767 states and 2720 transitions. [2024-11-07 09:02:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:02:58,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 09:02:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:58,496 INFO L225 Difference]: With dead ends: 1767 [2024-11-07 09:02:58,497 INFO L226 Difference]: Without dead ends: 1028 [2024-11-07 09:02:58,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:02:58,500 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:58,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 456 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:02:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-07 09:02:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 852. [2024-11-07 09:02:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 749 states have (on average 1.4979973297730307) internal successors, (1122), 750 states have internal predecessors, (1122), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:02:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1316 transitions. [2024-11-07 09:02:58,545 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1316 transitions. Word has length 206 [2024-11-07 09:02:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:58,546 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1316 transitions. [2024-11-07 09:02:58,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1316 transitions. [2024-11-07 09:02:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-07 09:02:58,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:58,548 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:58,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 09:02:58,549 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:58,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:58,549 INFO L85 PathProgramCache]: Analyzing trace with hash -514735654, now seen corresponding path program 1 times [2024-11-07 09:02:58,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:58,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107043291] [2024-11-07 09:02:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:02:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:02:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:02:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:02:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:02:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:02:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:02:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:02:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:02:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:02:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:02:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:02:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:02:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:02:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:02:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:02:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:02:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:02:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:02:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:02:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:02:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:02:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:02:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:02:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:02:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:02:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:02:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:02:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:02:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:02:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:02:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:02:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:02:58,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:02:58,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107043291] [2024-11-07 09:02:58,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107043291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:02:58,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:02:58,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:02:58,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146109977] [2024-11-07 09:02:58,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:02:58,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:02:58,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:02:58,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:02:58,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:02:58,742 INFO L87 Difference]: Start difference. First operand 852 states and 1316 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:02:58,782 INFO L93 Difference]: Finished difference Result 1533 states and 2367 transitions. [2024-11-07 09:02:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:02:58,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-07 09:02:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:02:58,787 INFO L225 Difference]: With dead ends: 1533 [2024-11-07 09:02:58,787 INFO L226 Difference]: Without dead ends: 749 [2024-11-07 09:02:58,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:02:58,790 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:02:58,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 507 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:02:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-07 09:02:58,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2024-11-07 09:02:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 646 states have (on average 1.4814241486068112) internal successors, (957), 647 states have internal predecessors, (957), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:02:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1151 transitions. [2024-11-07 09:02:58,826 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1151 transitions. Word has length 207 [2024-11-07 09:02:58,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:02:58,826 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1151 transitions. [2024-11-07 09:02:58,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:02:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1151 transitions. [2024-11-07 09:02:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-07 09:02:58,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:02:58,829 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:58,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 09:02:58,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:02:58,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:02:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2108351130, now seen corresponding path program 1 times [2024-11-07 09:02:58,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:02:58,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933052973] [2024-11-07 09:02:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:02:58,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:02:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:00,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:00,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933052973] [2024-11-07 09:03:00,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933052973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:00,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:00,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 09:03:00,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614165338] [2024-11-07 09:03:00,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:00,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:03:00,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:00,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:03:00,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:03:00,785 INFO L87 Difference]: Start difference. First operand 749 states and 1151 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:03,245 INFO L93 Difference]: Finished difference Result 1510 states and 2304 transitions. [2024-11-07 09:03:03,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:03:03,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-07 09:03:03,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:03,252 INFO L225 Difference]: With dead ends: 1510 [2024-11-07 09:03:03,252 INFO L226 Difference]: Without dead ends: 1142 [2024-11-07 09:03:03,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-07 09:03:03,254 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 553 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:03,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1430 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 09:03:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-07 09:03:03,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 779. [2024-11-07 09:03:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 676 states have (on average 1.4837278106508875) internal successors, (1003), 677 states have internal predecessors, (1003), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1197 transitions. [2024-11-07 09:03:03,303 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1197 transitions. Word has length 207 [2024-11-07 09:03:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:03,303 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1197 transitions. [2024-11-07 09:03:03,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1197 transitions. [2024-11-07 09:03:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-07 09:03:03,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:03,306 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:03,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 09:03:03,306 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:03,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1097233880, now seen corresponding path program 1 times [2024-11-07 09:03:03,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:03,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126763419] [2024-11-07 09:03:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126763419] [2024-11-07 09:03:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126763419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:04,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:03:04,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600740166] [2024-11-07 09:03:04,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:04,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:03:04,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:04,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:03:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 09:03:04,532 INFO L87 Difference]: Start difference. First operand 779 states and 1197 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:05,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:05,811 INFO L93 Difference]: Finished difference Result 2583 states and 3960 transitions. [2024-11-07 09:03:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 09:03:05,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-07 09:03:05,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:05,820 INFO L225 Difference]: With dead ends: 2583 [2024-11-07 09:03:05,821 INFO L226 Difference]: Without dead ends: 1872 [2024-11-07 09:03:05,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-07 09:03:05,824 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 486 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:05,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 751 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 09:03:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2024-11-07 09:03:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 856. [2024-11-07 09:03:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 753 states have (on average 1.49800796812749) internal successors, (1128), 755 states have internal predecessors, (1128), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1322 transitions. [2024-11-07 09:03:05,875 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1322 transitions. Word has length 207 [2024-11-07 09:03:05,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:05,875 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1322 transitions. [2024-11-07 09:03:05,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1322 transitions. [2024-11-07 09:03:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-07 09:03:05,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:05,880 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:05,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 09:03:05,880 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:05,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:05,880 INFO L85 PathProgramCache]: Analyzing trace with hash 279585430, now seen corresponding path program 1 times [2024-11-07 09:03:05,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:05,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259384961] [2024-11-07 09:03:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:06,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:06,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259384961] [2024-11-07 09:03:06,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259384961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:06,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:06,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:03:06,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147950606] [2024-11-07 09:03:06,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:06,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:03:06,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:06,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:03:06,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:03:06,058 INFO L87 Difference]: Start difference. First operand 856 states and 1322 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:06,512 INFO L93 Difference]: Finished difference Result 1964 states and 3033 transitions. [2024-11-07 09:03:06,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:03:06,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-07 09:03:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:06,519 INFO L225 Difference]: With dead ends: 1964 [2024-11-07 09:03:06,520 INFO L226 Difference]: Without dead ends: 1164 [2024-11-07 09:03:06,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:03:06,522 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 153 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:06,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 655 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:03:06,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-11-07 09:03:06,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 837. [2024-11-07 09:03:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 734 states have (on average 1.4931880108991826) internal successors, (1096), 736 states have internal predecessors, (1096), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1290 transitions. [2024-11-07 09:03:06,576 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1290 transitions. Word has length 207 [2024-11-07 09:03:06,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:06,576 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1290 transitions. [2024-11-07 09:03:06,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1290 transitions. [2024-11-07 09:03:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:06,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:06,578 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:06,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 09:03:06,579 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:06,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:06,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1116141289, now seen corresponding path program 1 times [2024-11-07 09:03:06,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:06,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002621998] [2024-11-07 09:03:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:06,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:06,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:06,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002621998] [2024-11-07 09:03:06,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002621998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:06,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:06,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:03:06,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582286821] [2024-11-07 09:03:06,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:06,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:03:06,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:06,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:03:06,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:03:06,678 INFO L87 Difference]: Start difference. First operand 837 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:06,754 INFO L93 Difference]: Finished difference Result 1686 states and 2607 transitions. [2024-11-07 09:03:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:03:06,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:06,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:06,763 INFO L225 Difference]: With dead ends: 1686 [2024-11-07 09:03:06,763 INFO L226 Difference]: Without dead ends: 1190 [2024-11-07 09:03:06,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:03:06,765 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 155 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:06,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 376 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:03:06,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-07 09:03:06,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1186. [2024-11-07 09:03:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1046 states have (on average 1.4349904397705544) internal successors, (1501), 1049 states have internal predecessors, (1501), 132 states have call successors, (132), 7 states have call predecessors, (132), 7 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 09:03:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1765 transitions. [2024-11-07 09:03:06,832 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1765 transitions. Word has length 208 [2024-11-07 09:03:06,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:06,832 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1765 transitions. [2024-11-07 09:03:06,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1765 transitions. [2024-11-07 09:03:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:06,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:06,835 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:06,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 09:03:06,835 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:06,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1852938955, now seen corresponding path program 1 times [2024-11-07 09:03:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211087139] [2024-11-07 09:03:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 09:03:07,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:07,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211087139] [2024-11-07 09:03:07,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211087139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:03:07,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287836370] [2024-11-07 09:03:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:07,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:03:07,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:03:07,305 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 09:03:07,307 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 09:03:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:07,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 09:03:07,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:03:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-07 09:03:08,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:03:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 09:03:09,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287836370] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:03:09,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:03:09,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 7] total 21 [2024-11-07 09:03:09,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812681248] [2024-11-07 09:03:09,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:03:09,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 09:03:09,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:09,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 09:03:09,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-07 09:03:09,217 INFO L87 Difference]: Start difference. First operand 1186 states and 1765 transitions. Second operand has 21 states, 21 states have (on average 7.285714285714286) internal successors, (153), 20 states have internal predecessors, (153), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-11-07 09:03:10,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:10,360 INFO L93 Difference]: Finished difference Result 2368 states and 3486 transitions. [2024-11-07 09:03:10,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 09:03:10,361 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.285714285714286) internal successors, (153), 20 states have internal predecessors, (153), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) Word has length 208 [2024-11-07 09:03:10,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:10,369 INFO L225 Difference]: With dead ends: 2368 [2024-11-07 09:03:10,369 INFO L226 Difference]: Without dead ends: 1238 [2024-11-07 09:03:10,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=471, Invalid=1599, Unknown=0, NotChecked=0, Total=2070 [2024-11-07 09:03:10,374 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 738 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:10,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1069 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 09:03:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2024-11-07 09:03:10,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 935. [2024-11-07 09:03:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 786 states have (on average 1.3804071246819338) internal successors, (1085), 789 states have internal predecessors, (1085), 132 states have call successors, (132), 16 states have call predecessors, (132), 16 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 09:03:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1349 transitions. [2024-11-07 09:03:10,458 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1349 transitions. Word has length 208 [2024-11-07 09:03:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:10,458 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1349 transitions. [2024-11-07 09:03:10,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.285714285714286) internal successors, (153), 20 states have internal predecessors, (153), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-11-07 09:03:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1349 transitions. [2024-11-07 09:03:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:10,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:10,460 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:10,480 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 09:03:10,661 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,SelfDestructingSolverStorable14 [2024-11-07 09:03:10,661 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:10,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash 423265007, now seen corresponding path program 1 times [2024-11-07 09:03:10,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:10,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761111948] [2024-11-07 09:03:10,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:10,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:10,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:10,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761111948] [2024-11-07 09:03:10,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761111948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:10,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:10,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:03:10,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378678652] [2024-11-07 09:03:10,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:10,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:03:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:10,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:03:10,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:03:10,854 INFO L87 Difference]: Start difference. First operand 935 states and 1349 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:10,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:10,987 INFO L93 Difference]: Finished difference Result 1189 states and 1721 transitions. [2024-11-07 09:03:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:03:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:10,992 INFO L225 Difference]: With dead ends: 1189 [2024-11-07 09:03:10,992 INFO L226 Difference]: Without dead ends: 562 [2024-11-07 09:03:10,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:03:10,995 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 153 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:10,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 413 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:03:10,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-07 09:03:11,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 560. [2024-11-07 09:03:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 450 states have (on average 1.3066666666666666) internal successors, (588), 452 states have internal predecessors, (588), 97 states have call successors, (97), 12 states have call predecessors, (97), 12 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 782 transitions. [2024-11-07 09:03:11,045 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 782 transitions. Word has length 208 [2024-11-07 09:03:11,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:11,045 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 782 transitions. [2024-11-07 09:03:11,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 782 transitions. [2024-11-07 09:03:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:11,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:11,047 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:11,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 09:03:11,047 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:11,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:11,048 INFO L85 PathProgramCache]: Analyzing trace with hash 289251501, now seen corresponding path program 1 times [2024-11-07 09:03:11,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:11,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497858325] [2024-11-07 09:03:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:11,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:14,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:14,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497858325] [2024-11-07 09:03:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497858325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:14,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:14,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 09:03:14,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530017261] [2024-11-07 09:03:14,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:14,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:03:14,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:14,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:03:14,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:03:14,664 INFO L87 Difference]: Start difference. First operand 560 states and 782 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:16,909 INFO L93 Difference]: Finished difference Result 1273 states and 1751 transitions. [2024-11-07 09:03:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 09:03:16,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:16,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:16,913 INFO L225 Difference]: With dead ends: 1273 [2024-11-07 09:03:16,913 INFO L226 Difference]: Without dead ends: 781 [2024-11-07 09:03:16,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:03:16,914 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 420 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:16,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 531 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 09:03:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-07 09:03:16,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 566. [2024-11-07 09:03:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 456 states have (on average 1.3092105263157894) internal successors, (597), 458 states have internal predecessors, (597), 97 states have call successors, (97), 12 states have call predecessors, (97), 12 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 791 transitions. [2024-11-07 09:03:16,967 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 791 transitions. Word has length 208 [2024-11-07 09:03:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:16,967 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 791 transitions. [2024-11-07 09:03:16,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 791 transitions. [2024-11-07 09:03:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:16,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:16,969 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:16,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 09:03:16,969 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:16,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:16,970 INFO L85 PathProgramCache]: Analyzing trace with hash -721865749, now seen corresponding path program 1 times [2024-11-07 09:03:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:16,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621645906] [2024-11-07 09:03:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:16,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:18,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:18,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621645906] [2024-11-07 09:03:18,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621645906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:18,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:18,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 09:03:18,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173351295] [2024-11-07 09:03:18,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:18,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:03:18,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:18,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:03:18,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:03:18,880 INFO L87 Difference]: Start difference. First operand 566 states and 791 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:20,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:20,488 INFO L93 Difference]: Finished difference Result 1376 states and 1884 transitions. [2024-11-07 09:03:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 09:03:20,488 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:20,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:20,492 INFO L225 Difference]: With dead ends: 1376 [2024-11-07 09:03:20,492 INFO L226 Difference]: Without dead ends: 878 [2024-11-07 09:03:20,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:03:20,494 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 488 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:20,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 520 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 09:03:20,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2024-11-07 09:03:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 566. [2024-11-07 09:03:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 456 states have (on average 1.3092105263157894) internal successors, (597), 458 states have internal predecessors, (597), 97 states have call successors, (97), 12 states have call predecessors, (97), 12 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-07 09:03:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 791 transitions. [2024-11-07 09:03:20,544 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 791 transitions. Word has length 208 [2024-11-07 09:03:20,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:20,544 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 791 transitions. [2024-11-07 09:03:20,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 791 transitions. [2024-11-07 09:03:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:20,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:20,551 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:20,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 09:03:20,552 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:20,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1884157805, now seen corresponding path program 1 times [2024-11-07 09:03:20,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:20,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695461108] [2024-11-07 09:03:20,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:21,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:21,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695461108] [2024-11-07 09:03:21,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695461108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:21,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:21,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:03:21,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099731672] [2024-11-07 09:03:21,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:21,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:03:21,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:21,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:03:21,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 09:03:21,201 INFO L87 Difference]: Start difference. First operand 566 states and 791 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 09:03:22,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:22,214 INFO L93 Difference]: Finished difference Result 1536 states and 2106 transitions. [2024-11-07 09:03:22,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:03:22,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 208 [2024-11-07 09:03:22,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:22,221 INFO L225 Difference]: With dead ends: 1536 [2024-11-07 09:03:22,221 INFO L226 Difference]: Without dead ends: 1038 [2024-11-07 09:03:22,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-11-07 09:03:22,223 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 395 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:22,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1093 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 09:03:22,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-07 09:03:22,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 748. [2024-11-07 09:03:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 603 states have (on average 1.308457711442786) internal successors, (789), 605 states have internal predecessors, (789), 128 states have call successors, (128), 16 states have call predecessors, (128), 16 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-07 09:03:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1045 transitions. [2024-11-07 09:03:22,306 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1045 transitions. Word has length 208 [2024-11-07 09:03:22,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:22,307 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1045 transitions. [2024-11-07 09:03:22,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 09:03:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1045 transitions. [2024-11-07 09:03:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:22,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:22,309 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:22,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 09:03:22,310 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:22,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:22,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2030456759, now seen corresponding path program 1 times [2024-11-07 09:03:22,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:22,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33055455] [2024-11-07 09:03:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:23,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:23,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33055455] [2024-11-07 09:03:23,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33055455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:23,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:23,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:03:23,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029325151] [2024-11-07 09:03:23,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:23,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:03:23,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:23,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:03:23,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:03:23,439 INFO L87 Difference]: Start difference. First operand 748 states and 1045 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:25,088 INFO L93 Difference]: Finished difference Result 1367 states and 1869 transitions. [2024-11-07 09:03:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:03:25,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:25,093 INFO L225 Difference]: With dead ends: 1367 [2024-11-07 09:03:25,093 INFO L226 Difference]: Without dead ends: 1104 [2024-11-07 09:03:25,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-07 09:03:25,094 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 436 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:25,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 1443 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 09:03:25,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2024-11-07 09:03:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 762. [2024-11-07 09:03:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 616 states have (on average 1.3084415584415585) internal successors, (806), 618 states have internal predecessors, (806), 128 states have call successors, (128), 17 states have call predecessors, (128), 17 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-07 09:03:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1062 transitions. [2024-11-07 09:03:25,178 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1062 transitions. Word has length 208 [2024-11-07 09:03:25,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:25,178 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1062 transitions. [2024-11-07 09:03:25,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1062 transitions. [2024-11-07 09:03:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 09:03:25,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:25,180 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:25,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 09:03:25,180 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:25,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:25,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1253393287, now seen corresponding path program 1 times [2024-11-07 09:03:25,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:25,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591565099] [2024-11-07 09:03:25,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:25,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591565099] [2024-11-07 09:03:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591565099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:26,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:03:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256595876] [2024-11-07 09:03:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:26,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:03:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:26,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:03:26,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:03:26,620 INFO L87 Difference]: Start difference. First operand 762 states and 1062 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:27,707 INFO L93 Difference]: Finished difference Result 1662 states and 2301 transitions. [2024-11-07 09:03:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 09:03:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 09:03:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:27,712 INFO L225 Difference]: With dead ends: 1662 [2024-11-07 09:03:27,712 INFO L226 Difference]: Without dead ends: 972 [2024-11-07 09:03:27,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-07 09:03:27,714 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 198 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:27,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 963 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 09:03:27,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-07 09:03:27,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 834. [2024-11-07 09:03:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 688 states have (on average 1.3212209302325582) internal successors, (909), 690 states have internal predecessors, (909), 128 states have call successors, (128), 17 states have call predecessors, (128), 17 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-07 09:03:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1165 transitions. [2024-11-07 09:03:27,811 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1165 transitions. Word has length 208 [2024-11-07 09:03:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:27,812 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1165 transitions. [2024-11-07 09:03:27,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1165 transitions. [2024-11-07 09:03:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-07 09:03:27,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:27,814 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:27,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 09:03:27,814 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:27,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:27,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1292471947, now seen corresponding path program 1 times [2024-11-07 09:03:27,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:27,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400301514] [2024-11-07 09:03:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 09:03:28,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:28,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400301514] [2024-11-07 09:03:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400301514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:03:28,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843590248] [2024-11-07 09:03:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:03:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:03:28,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:03:28,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 09:03:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:28,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 09:03:28,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:03:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-11-07 09:03:28,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:03:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 09:03:29,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843590248] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:03:29,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:03:29,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-11-07 09:03:29,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465252140] [2024-11-07 09:03:29,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:03:29,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 09:03:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:29,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 09:03:29,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 09:03:29,152 INFO L87 Difference]: Start difference. First operand 834 states and 1165 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-07 09:03:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:30,305 INFO L93 Difference]: Finished difference Result 1759 states and 2414 transitions. [2024-11-07 09:03:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 09:03:30,306 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 209 [2024-11-07 09:03:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:30,312 INFO L225 Difference]: With dead ends: 1759 [2024-11-07 09:03:30,312 INFO L226 Difference]: Without dead ends: 997 [2024-11-07 09:03:30,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 476 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=427, Invalid=1055, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 09:03:30,317 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 742 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:30,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 738 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 09:03:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-11-07 09:03:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 562. [2024-11-07 09:03:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 431 states have (on average 1.2436194895591648) internal successors, (536), 434 states have internal predecessors, (536), 107 states have call successors, (107), 23 states have call predecessors, (107), 23 states have return successors, (107), 104 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-07 09:03:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 750 transitions. [2024-11-07 09:03:30,392 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 750 transitions. Word has length 209 [2024-11-07 09:03:30,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:30,392 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 750 transitions. [2024-11-07 09:03:30,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-07 09:03:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 750 transitions. [2024-11-07 09:03:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 09:03:30,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:30,394 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:30,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 09:03:30,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:03:30,594 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:30,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:30,595 INFO L85 PathProgramCache]: Analyzing trace with hash -160590480, now seen corresponding path program 1 times [2024-11-07 09:03:30,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:30,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301723643] [2024-11-07 09:03:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:03:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:03:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:03:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:03:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:03:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:03:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:03:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:03:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:03:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:03:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:03:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:03:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 09:03:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:03:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:03:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 09:03:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:03:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 09:03:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 09:03:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 09:03:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 09:03:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:03:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 09:03:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:03:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:03:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:03:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 09:03:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:03:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 09:03:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:03:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 09:03:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:03:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 09:03:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:03:33,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301723643] [2024-11-07 09:03:33,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301723643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:03:33,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:03:33,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:03:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469176601] [2024-11-07 09:03:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:03:33,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:03:33,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:03:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:03:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:03:33,073 INFO L87 Difference]: Start difference. First operand 562 states and 750 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:03:34,914 INFO L93 Difference]: Finished difference Result 1241 states and 1644 transitions. [2024-11-07 09:03:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:03:34,915 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-07 09:03:34,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:03:34,918 INFO L225 Difference]: With dead ends: 1241 [2024-11-07 09:03:34,918 INFO L226 Difference]: Without dead ends: 759 [2024-11-07 09:03:34,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:03:34,919 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 528 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:03:34,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 881 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 09:03:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-07 09:03:35,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 571. [2024-11-07 09:03:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 440 states have (on average 1.2477272727272728) internal successors, (549), 443 states have internal predecessors, (549), 107 states have call successors, (107), 23 states have call predecessors, (107), 23 states have return successors, (107), 104 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-07 09:03:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 763 transitions. [2024-11-07 09:03:35,005 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 763 transitions. Word has length 210 [2024-11-07 09:03:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:03:35,005 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 763 transitions. [2024-11-07 09:03:35,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 09:03:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 763 transitions. [2024-11-07 09:03:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 09:03:35,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:03:35,012 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:35,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 09:03:35,013 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:03:35,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:03:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1171707730, now seen corresponding path program 1 times [2024-11-07 09:03:35,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:03:35,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69290787] [2024-11-07 09:03:35,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:03:35,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:03:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat