./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:02:45,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:02:45,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 02:02:45,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:02:45,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:02:45,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:02:45,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:02:45,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:02:45,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:02:45,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:02:45,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:02:45,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:02:45,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:02:45,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:02:45,152 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:02:45,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:02:45,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:02:45,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:02:45,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:02:45,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:02:45,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:02:45,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb [2024-11-07 02:02:45,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:02:45,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:02:45,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:02:45,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:02:45,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:02:45,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-11-07 02:02:46,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:02:46,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:02:46,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-11-07 02:02:47,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c4bd3fd0/fe4a604052a44523a735f2ea401e35eb/FLAG249d3aea7 [2024-11-07 02:02:47,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c4bd3fd0/fe4a604052a44523a735f2ea401e35eb [2024-11-07 02:02:47,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:02:47,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:02:47,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:02:47,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:02:47,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:02:47,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:02:47" (1/1) ... [2024-11-07 02:02:47,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b4376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:47, skipping insertion in model container [2024-11-07 02:02:47,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:02:47" (1/1) ... [2024-11-07 02:02:47,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:02:47,520 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-11-07 02:02:47,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:02:47,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:02:47,891 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-11-07 02:02:48,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:02:48,110 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:02:48,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48 WrapperNode [2024-11-07 02:02:48,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:02:48,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:02:48,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:02:48,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:02:48,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:48,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:48,877 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5420 [2024-11-07 02:02:48,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:02:48,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:02:48,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:02:48,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:02:48,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:48,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:48,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,186 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 02:02:49,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:02:49,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:02:49,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:02:49,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:02:49,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (1/1) ... [2024-11-07 02:02:49,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:02:49,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:02:49,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 02:02:49,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 02:02:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:02:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 02:02:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 02:02:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 02:02:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:02:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:02:50,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:02:50,160 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:02:54,874 INFO L? ?]: Removed 3003 outVars from TransFormulas that were not future-live. [2024-11-07 02:02:54,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:02:54,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:02:54,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:02:54,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:02:54 BoogieIcfgContainer [2024-11-07 02:02:54,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:02:54,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:02:54,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:02:54,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:02:54,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:02:47" (1/3) ... [2024-11-07 02:02:54,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ca047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:02:54, skipping insertion in model container [2024-11-07 02:02:54,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:02:48" (2/3) ... [2024-11-07 02:02:54,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ca047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:02:54, skipping insertion in model container [2024-11-07 02:02:54,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:02:54" (3/3) ... [2024-11-07 02:02:54,940 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-11-07 02:02:54,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:02:54,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:02:55,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:02:55,126 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;@6a056994, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:02:55,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:02:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 1668 states, 1652 states have (on average 1.4951573849878934) internal successors, (2470), 1653 states have internal predecessors, (2470), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:02:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2024-11-07 02:02:55,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:02:55,176 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:02:55,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:02:55,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:02:55,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1042122251, now seen corresponding path program 1 times [2024-11-07 02:02:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:02:55,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722294934] [2024-11-07 02:02:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:02:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:02:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:02:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:02:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:02:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:02:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:02:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 02:02:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 02:02:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 02:02:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 02:02:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 02:02:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 02:02:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 02:02:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 02:02:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:02:58,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:02:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722294934] [2024-11-07 02:02:58,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722294934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:02:58,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:02:58,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:02:58,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596165073] [2024-11-07 02:02:58,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:02:58,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:02:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:02:58,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:02:58,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:02:58,242 INFO L87 Difference]: Start difference. First operand has 1668 states, 1652 states have (on average 1.4951573849878934) internal successors, (2470), 1653 states have internal predecessors, (2470), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:02:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:02:58,413 INFO L93 Difference]: Finished difference Result 3121 states and 4686 transitions. [2024-11-07 02:02:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:02:58,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 607 [2024-11-07 02:02:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:02:58,445 INFO L225 Difference]: With dead ends: 3121 [2024-11-07 02:02:58,446 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:02:58,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:02:58,457 INFO L432 NwaCegarLoop]: 2489 mSDtfsCounter, 0 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7461 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:02:58,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7461 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:02:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:02:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:02:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.4933414043583535) internal successors, (2467), 1652 states have internal predecessors, (2467), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:02:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2493 transitions. [2024-11-07 02:02:58,573 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2493 transitions. Word has length 607 [2024-11-07 02:02:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:02:58,576 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2493 transitions. [2024-11-07 02:02:58,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:02:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2493 transitions. [2024-11-07 02:02:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-11-07 02:02:58,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:02:58,593 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:02:58,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 02:02:58,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:02:58,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:02:58,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2055647172, now seen corresponding path program 1 times [2024-11-07 02:02:58,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:02:58,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510891462] [2024-11-07 02:02:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:02:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:02:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:02:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:02:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:02:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:02:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:02:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 02:02:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 02:02:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 02:02:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 02:02:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 02:02:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 02:02:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 02:02:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 02:02:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:02:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:02:59,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:02:59,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510891462] [2024-11-07 02:02:59,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510891462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:02:59,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:02:59,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:02:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048119525] [2024-11-07 02:02:59,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:02:59,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:02:59,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:02:59,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:02:59,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:02:59,989 INFO L87 Difference]: Start difference. First operand 1667 states and 2493 transitions. Second operand has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:00,953 INFO L93 Difference]: Finished difference Result 4353 states and 6514 transitions. [2024-11-07 02:03:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:03:00,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 608 [2024-11-07 02:03:00,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:00,965 INFO L225 Difference]: With dead ends: 4353 [2024-11-07 02:03:00,966 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:03:00,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:03:00,973 INFO L432 NwaCegarLoop]: 3994 mSDtfsCounter, 3719 mSDsluCounter, 5946 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 9940 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:00,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 9940 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 02:03:00,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:03:01,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:03:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.4927360774818401) internal successors, (2466), 1652 states have internal predecessors, (2466), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2492 transitions. [2024-11-07 02:03:01,060 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2492 transitions. Word has length 608 [2024-11-07 02:03:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:01,061 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2492 transitions. [2024-11-07 02:03:01,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2492 transitions. [2024-11-07 02:03:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2024-11-07 02:03:01,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:01,075 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:01,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 02:03:01,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:01,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1118452765, now seen corresponding path program 1 times [2024-11-07 02:03:01,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:01,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425044370] [2024-11-07 02:03:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:02,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:02,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425044370] [2024-11-07 02:03:02,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425044370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:02,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:02,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:02,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537883176] [2024-11-07 02:03:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:02,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:02,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:02,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:02,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:02,201 INFO L87 Difference]: Start difference. First operand 1667 states and 2492 transitions. Second operand has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:03,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:03,012 INFO L93 Difference]: Finished difference Result 3120 states and 4664 transitions. [2024-11-07 02:03:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 609 [2024-11-07 02:03:03,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:03,020 INFO L225 Difference]: With dead ends: 3120 [2024-11-07 02:03:03,020 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:03:03,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:03,025 INFO L432 NwaCegarLoop]: 1921 mSDtfsCounter, 4586 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4591 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:03,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4591 Valid, 3844 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 02:03:03,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:03:03,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:03:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.492130750605327) internal successors, (2465), 1652 states have internal predecessors, (2465), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2491 transitions. [2024-11-07 02:03:03,059 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2491 transitions. Word has length 609 [2024-11-07 02:03:03,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:03,060 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2491 transitions. [2024-11-07 02:03:03,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2491 transitions. [2024-11-07 02:03:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2024-11-07 02:03:03,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:03,068 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:03,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 02:03:03,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:03,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2069224575, now seen corresponding path program 1 times [2024-11-07 02:03:03,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:03,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241683954] [2024-11-07 02:03:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:04,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:04,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241683954] [2024-11-07 02:03:04,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241683954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:04,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:04,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:04,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697399824] [2024-11-07 02:03:04,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:04,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:04,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:04,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:04,008 INFO L87 Difference]: Start difference. First operand 1667 states and 2491 transitions. Second operand has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:04,908 INFO L93 Difference]: Finished difference Result 3120 states and 4662 transitions. [2024-11-07 02:03:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:04,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 610 [2024-11-07 02:03:04,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:04,915 INFO L225 Difference]: With dead ends: 3120 [2024-11-07 02:03:04,915 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:03:04,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:04,917 INFO L432 NwaCegarLoop]: 1921 mSDtfsCounter, 4442 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4447 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:04,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4447 Valid, 3844 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 02:03:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:03:04,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:03:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.4915254237288136) internal successors, (2464), 1652 states have internal predecessors, (2464), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2490 transitions. [2024-11-07 02:03:04,952 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2490 transitions. Word has length 610 [2024-11-07 02:03:04,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:04,952 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2490 transitions. [2024-11-07 02:03:04,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2490 transitions. [2024-11-07 02:03:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2024-11-07 02:03:04,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:04,959 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:04,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 02:03:04,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:04,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash -482993416, now seen corresponding path program 1 times [2024-11-07 02:03:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:04,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34180895] [2024-11-07 02:03:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34180895] [2024-11-07 02:03:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34180895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:05,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:05,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:05,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814591557] [2024-11-07 02:03:05,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:05,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:05,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:05,851 INFO L87 Difference]: Start difference. First operand 1667 states and 2490 transitions. Second operand has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:06,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:06,616 INFO L93 Difference]: Finished difference Result 3120 states and 4660 transitions. [2024-11-07 02:03:06,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:06,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 611 [2024-11-07 02:03:06,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:06,623 INFO L225 Difference]: With dead ends: 3120 [2024-11-07 02:03:06,623 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:03:06,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:06,625 INFO L432 NwaCegarLoop]: 1921 mSDtfsCounter, 4298 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4303 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:06,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4303 Valid, 3844 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 02:03:06,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:03:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:03:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.4909200968523002) internal successors, (2463), 1652 states have internal predecessors, (2463), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2489 transitions. [2024-11-07 02:03:06,651 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2489 transitions. Word has length 611 [2024-11-07 02:03:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:06,651 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2489 transitions. [2024-11-07 02:03:06,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2489 transitions. [2024-11-07 02:03:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2024-11-07 02:03:06,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:06,655 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:06,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 02:03:06,656 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:06,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:06,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1377064204, now seen corresponding path program 1 times [2024-11-07 02:03:06,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:06,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19842381] [2024-11-07 02:03:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:06,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:07,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:07,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19842381] [2024-11-07 02:03:07,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19842381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:07,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:07,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116648720] [2024-11-07 02:03:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:07,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:07,414 INFO L87 Difference]: Start difference. First operand 1667 states and 2489 transitions. Second operand has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:08,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:08,338 INFO L93 Difference]: Finished difference Result 3120 states and 4658 transitions. [2024-11-07 02:03:08,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:08,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 612 [2024-11-07 02:03:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:08,343 INFO L225 Difference]: With dead ends: 3120 [2024-11-07 02:03:08,343 INFO L226 Difference]: Without dead ends: 1667 [2024-11-07 02:03:08,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:08,346 INFO L432 NwaCegarLoop]: 1921 mSDtfsCounter, 4154 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:08,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4159 Valid, 3844 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 02:03:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-07 02:03:08,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2024-11-07 02:03:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1652 states have (on average 1.4903147699757868) internal successors, (2462), 1652 states have internal predecessors, (2462), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2488 transitions. [2024-11-07 02:03:08,368 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2488 transitions. Word has length 612 [2024-11-07 02:03:08,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:08,369 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2488 transitions. [2024-11-07 02:03:08,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2488 transitions. [2024-11-07 02:03:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2024-11-07 02:03:08,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:08,372 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:08,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 02:03:08,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:08,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1049404813, now seen corresponding path program 1 times [2024-11-07 02:03:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:08,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110855662] [2024-11-07 02:03:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:09,026 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:09,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:09,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110855662] [2024-11-07 02:03:09,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110855662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:09,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:09,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:09,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93907535] [2024-11-07 02:03:09,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:09,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:09,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:09,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:09,032 INFO L87 Difference]: Start difference. First operand 1667 states and 2488 transitions. Second operand has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:09,107 INFO L93 Difference]: Finished difference Result 3122 states and 4659 transitions. [2024-11-07 02:03:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:09,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 613 [2024-11-07 02:03:09,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:09,114 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:09,114 INFO L226 Difference]: Without dead ends: 1669 [2024-11-07 02:03:09,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:09,117 INFO L432 NwaCegarLoop]: 2484 mSDtfsCounter, 0 mSDsluCounter, 4958 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7442 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:09,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7442 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:03:09,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-11-07 02:03:09,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2024-11-07 02:03:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1654 states have (on average 1.4897218863361548) internal successors, (2464), 1654 states have internal predecessors, (2464), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2490 transitions. [2024-11-07 02:03:09,146 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2490 transitions. Word has length 613 [2024-11-07 02:03:09,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:09,148 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2490 transitions. [2024-11-07 02:03:09,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2490 transitions. [2024-11-07 02:03:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2024-11-07 02:03:09,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:09,154 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:09,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 02:03:09,154 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:09,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:09,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1368815621, now seen corresponding path program 1 times [2024-11-07 02:03:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:09,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007294858] [2024-11-07 02:03:09,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:10,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:10,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007294858] [2024-11-07 02:03:10,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007294858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:10,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:10,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:10,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218215613] [2024-11-07 02:03:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:10,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:10,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:10,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:10,147 INFO L87 Difference]: Start difference. First operand 1669 states and 2490 transitions. Second operand has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:10,350 INFO L93 Difference]: Finished difference Result 3123 states and 4659 transitions. [2024-11-07 02:03:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:10,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 614 [2024-11-07 02:03:10,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:10,355 INFO L225 Difference]: With dead ends: 3123 [2024-11-07 02:03:10,356 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:10,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:10,357 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 1989 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:10,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 4746 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:10,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4888082274652148) internal successors, (2461), 1653 states have internal predecessors, (2461), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2487 transitions. [2024-11-07 02:03:10,385 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2487 transitions. Word has length 614 [2024-11-07 02:03:10,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:10,386 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2487 transitions. [2024-11-07 02:03:10,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2487 transitions. [2024-11-07 02:03:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2024-11-07 02:03:10,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:10,392 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:10,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 02:03:10,392 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:10,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:10,393 INFO L85 PathProgramCache]: Analyzing trace with hash -476273008, now seen corresponding path program 1 times [2024-11-07 02:03:10,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:10,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167349941] [2024-11-07 02:03:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:10,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:11,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:11,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167349941] [2024-11-07 02:03:11,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167349941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:11,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:11,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:11,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244350776] [2024-11-07 02:03:11,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:11,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:11,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:11,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:11,221 INFO L87 Difference]: Start difference. First operand 1668 states and 2487 transitions. Second operand has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:11,384 INFO L93 Difference]: Finished difference Result 3526 states and 5256 transitions. [2024-11-07 02:03:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:03:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 615 [2024-11-07 02:03:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:11,388 INFO L225 Difference]: With dead ends: 3526 [2024-11-07 02:03:11,388 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:11,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:03:11,391 INFO L432 NwaCegarLoop]: 2460 mSDtfsCounter, 3175 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 7306 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:11,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3175 Valid, 7306 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:03:11,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4882032667876588) internal successors, (2460), 1653 states have internal predecessors, (2460), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2486 transitions. [2024-11-07 02:03:11,413 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2486 transitions. Word has length 615 [2024-11-07 02:03:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:11,414 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2486 transitions. [2024-11-07 02:03:11,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2486 transitions. [2024-11-07 02:03:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2024-11-07 02:03:11,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:11,418 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:11,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 02:03:11,418 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:11,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:11,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1048278885, now seen corresponding path program 1 times [2024-11-07 02:03:11,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:11,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256722520] [2024-11-07 02:03:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:11,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:12,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:12,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256722520] [2024-11-07 02:03:12,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256722520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:12,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:12,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:12,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073828507] [2024-11-07 02:03:12,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:12,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:12,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:12,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:12,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:12,146 INFO L87 Difference]: Start difference. First operand 1668 states and 2486 transitions. Second operand has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:12,349 INFO L93 Difference]: Finished difference Result 3122 states and 4652 transitions. [2024-11-07 02:03:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:12,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 616 [2024-11-07 02:03:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:12,354 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:12,355 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:12,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:12,359 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2450 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:12,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2463 Valid, 4763 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:12,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4875983061101028) internal successors, (2459), 1653 states have internal predecessors, (2459), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2485 transitions. [2024-11-07 02:03:12,387 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2485 transitions. Word has length 616 [2024-11-07 02:03:12,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:12,388 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2485 transitions. [2024-11-07 02:03:12,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2485 transitions. [2024-11-07 02:03:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2024-11-07 02:03:12,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:12,394 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:12,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 02:03:12,395 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:12,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:12,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1262704809, now seen corresponding path program 1 times [2024-11-07 02:03:12,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:12,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36899550] [2024-11-07 02:03:12,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:13,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:13,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36899550] [2024-11-07 02:03:13,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36899550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:13,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:13,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:13,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269934742] [2024-11-07 02:03:13,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:13,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:13,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:13,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:13,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:13,276 INFO L87 Difference]: Start difference. First operand 1668 states and 2485 transitions. Second operand has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:13,487 INFO L93 Difference]: Finished difference Result 3122 states and 4650 transitions. [2024-11-07 02:03:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:13,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 617 [2024-11-07 02:03:13,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:13,491 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:13,491 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:13,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:13,493 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 4506 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:13,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4519 Valid, 4746 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4869933454325468) internal successors, (2458), 1653 states have internal predecessors, (2458), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2484 transitions. [2024-11-07 02:03:13,517 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2484 transitions. Word has length 617 [2024-11-07 02:03:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:13,519 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2484 transitions. [2024-11-07 02:03:13,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2484 transitions. [2024-11-07 02:03:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2024-11-07 02:03:13,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:13,525 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:13,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 02:03:13,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:13,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:13,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2038871461, now seen corresponding path program 1 times [2024-11-07 02:03:13,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:13,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841943278] [2024-11-07 02:03:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:13,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:14,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841943278] [2024-11-07 02:03:14,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841943278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:14,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:14,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595903794] [2024-11-07 02:03:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:14,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:14,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:14,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:14,194 INFO L87 Difference]: Start difference. First operand 1668 states and 2484 transitions. Second operand has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:14,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:14,357 INFO L93 Difference]: Finished difference Result 3122 states and 4648 transitions. [2024-11-07 02:03:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:14,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 618 [2024-11-07 02:03:14,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:14,361 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:14,362 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:14,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:14,363 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 4498 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4511 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:14,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4511 Valid, 4746 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:03:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.486388384754991) internal successors, (2457), 1653 states have internal predecessors, (2457), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2483 transitions. [2024-11-07 02:03:14,379 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2483 transitions. Word has length 618 [2024-11-07 02:03:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:14,380 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2483 transitions. [2024-11-07 02:03:14,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2483 transitions. [2024-11-07 02:03:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2024-11-07 02:03:14,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:14,383 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:14,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 02:03:14,384 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:14,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:14,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1760009936, now seen corresponding path program 1 times [2024-11-07 02:03:14,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:14,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536721574] [2024-11-07 02:03:14,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:14,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:14,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:15,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:15,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536721574] [2024-11-07 02:03:15,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536721574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:15,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:15,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:15,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766085097] [2024-11-07 02:03:15,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:15,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:15,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:15,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:15,016 INFO L87 Difference]: Start difference. First operand 1668 states and 2483 transitions. Second operand has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:15,241 INFO L93 Difference]: Finished difference Result 3122 states and 4646 transitions. [2024-11-07 02:03:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:15,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 619 [2024-11-07 02:03:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:15,248 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:15,248 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:15,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:15,251 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2304 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:15,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 4763 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:15,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.485783424077435) internal successors, (2456), 1653 states have internal predecessors, (2456), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2482 transitions. [2024-11-07 02:03:15,275 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2482 transitions. Word has length 619 [2024-11-07 02:03:15,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:15,277 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2482 transitions. [2024-11-07 02:03:15,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2482 transitions. [2024-11-07 02:03:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2024-11-07 02:03:15,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:15,284 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:15,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 02:03:15,284 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:15,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:15,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1282425531, now seen corresponding path program 1 times [2024-11-07 02:03:15,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:15,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121408010] [2024-11-07 02:03:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:16,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:16,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121408010] [2024-11-07 02:03:16,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121408010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:16,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:16,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076556220] [2024-11-07 02:03:16,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:16,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:16,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:16,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:16,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:16,027 INFO L87 Difference]: Start difference. First operand 1668 states and 2482 transitions. Second operand has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:16,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:16,265 INFO L93 Difference]: Finished difference Result 3122 states and 4644 transitions. [2024-11-07 02:03:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 620 [2024-11-07 02:03:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:16,271 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:16,271 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:16,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:16,273 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2300 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2313 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:16,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2313 Valid, 4763 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:16,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:16,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.485178463399879) internal successors, (2455), 1653 states have internal predecessors, (2455), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2481 transitions. [2024-11-07 02:03:16,295 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2481 transitions. Word has length 620 [2024-11-07 02:03:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:16,296 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2481 transitions. [2024-11-07 02:03:16,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2481 transitions. [2024-11-07 02:03:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2024-11-07 02:03:16,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:16,303 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:16,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 02:03:16,303 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:16,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:16,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1489513641, now seen corresponding path program 1 times [2024-11-07 02:03:16,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:16,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64923118] [2024-11-07 02:03:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:16,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:17,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:17,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64923118] [2024-11-07 02:03:17,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64923118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:17,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:17,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119745891] [2024-11-07 02:03:17,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:17,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:17,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:17,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:17,284 INFO L87 Difference]: Start difference. First operand 1668 states and 2481 transitions. Second operand has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:17,483 INFO L93 Difference]: Finished difference Result 3122 states and 4642 transitions. [2024-11-07 02:03:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:17,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 621 [2024-11-07 02:03:17,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:17,488 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:17,488 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:17,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:17,489 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2229 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:17,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 4763 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:17,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:17,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.484573502722323) internal successors, (2454), 1653 states have internal predecessors, (2454), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2480 transitions. [2024-11-07 02:03:17,513 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2480 transitions. Word has length 621 [2024-11-07 02:03:17,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:17,514 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2480 transitions. [2024-11-07 02:03:17,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2480 transitions. [2024-11-07 02:03:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2024-11-07 02:03:17,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:17,517 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:17,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 02:03:17,517 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:17,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash 148754309, now seen corresponding path program 1 times [2024-11-07 02:03:17,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:17,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886828695] [2024-11-07 02:03:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:17,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:18,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:18,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886828695] [2024-11-07 02:03:18,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886828695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:18,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:18,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:18,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108419981] [2024-11-07 02:03:18,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:18,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:18,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:18,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:18,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:18,545 INFO L87 Difference]: Start difference. First operand 1668 states and 2480 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:18,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:18,706 INFO L93 Difference]: Finished difference Result 3122 states and 4640 transitions. [2024-11-07 02:03:18,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:18,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 622 [2024-11-07 02:03:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:18,710 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:18,710 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:18,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:18,712 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2196 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:18,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 4746 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:03:18,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:18,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.483968542044767) internal successors, (2453), 1653 states have internal predecessors, (2453), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2479 transitions. [2024-11-07 02:03:18,730 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2479 transitions. Word has length 622 [2024-11-07 02:03:18,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:18,730 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2479 transitions. [2024-11-07 02:03:18,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2479 transitions. [2024-11-07 02:03:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2024-11-07 02:03:18,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:18,735 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:18,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 02:03:18,735 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:18,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:18,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1224631635, now seen corresponding path program 1 times [2024-11-07 02:03:18,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:18,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367589668] [2024-11-07 02:03:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:20,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:20,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367589668] [2024-11-07 02:03:20,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367589668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:20,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:20,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:20,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449627895] [2024-11-07 02:03:20,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:20,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:20,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:20,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:20,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:20,054 INFO L87 Difference]: Start difference. First operand 1668 states and 2479 transitions. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:20,243 INFO L93 Difference]: Finished difference Result 3122 states and 4638 transitions. [2024-11-07 02:03:20,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:20,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 623 [2024-11-07 02:03:20,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:20,247 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:20,247 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:20,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:20,249 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2121 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2121 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:20,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2121 Valid, 4746 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:20,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.483363581367211) internal successors, (2452), 1653 states have internal predecessors, (2452), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2478 transitions. [2024-11-07 02:03:20,264 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2478 transitions. Word has length 623 [2024-11-07 02:03:20,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:20,264 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2478 transitions. [2024-11-07 02:03:20,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:20,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2478 transitions. [2024-11-07 02:03:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2024-11-07 02:03:20,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:20,268 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:20,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 02:03:20,268 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:20,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1853691996, now seen corresponding path program 1 times [2024-11-07 02:03:20,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:20,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001855035] [2024-11-07 02:03:20,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:21,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:21,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001855035] [2024-11-07 02:03:21,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001855035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:21,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:21,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447650196] [2024-11-07 02:03:21,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:21,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:21,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:21,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:21,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:21,272 INFO L87 Difference]: Start difference. First operand 1668 states and 2478 transitions. Second operand has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:21,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:21,432 INFO L93 Difference]: Finished difference Result 3122 states and 4636 transitions. [2024-11-07 02:03:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:21,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 624 [2024-11-07 02:03:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:21,436 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:21,436 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:21,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:21,437 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 2046 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:21,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 4746 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:03:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4827586206896552) internal successors, (2451), 1653 states have internal predecessors, (2451), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2477 transitions. [2024-11-07 02:03:21,452 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2477 transitions. Word has length 624 [2024-11-07 02:03:21,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:21,452 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2477 transitions. [2024-11-07 02:03:21,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2477 transitions. [2024-11-07 02:03:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2024-11-07 02:03:21,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:21,456 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:21,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 02:03:21,456 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:21,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:21,456 INFO L85 PathProgramCache]: Analyzing trace with hash 851918734, now seen corresponding path program 1 times [2024-11-07 02:03:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:21,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003108917] [2024-11-07 02:03:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:21,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:22,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:22,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003108917] [2024-11-07 02:03:22,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003108917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:22,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:22,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:22,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881062] [2024-11-07 02:03:22,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:22,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:22,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:22,492 INFO L87 Difference]: Start difference. First operand 1668 states and 2477 transitions. Second operand has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 states have internal predecessors, (563), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:22,669 INFO L93 Difference]: Finished difference Result 3122 states and 4634 transitions. [2024-11-07 02:03:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:22,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 states have internal predecessors, (563), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 625 [2024-11-07 02:03:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:22,673 INFO L225 Difference]: With dead ends: 3122 [2024-11-07 02:03:22,675 INFO L226 Difference]: Without dead ends: 1668 [2024-11-07 02:03:22,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:22,677 INFO L432 NwaCegarLoop]: 2372 mSDtfsCounter, 1971 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:22,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 4746 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:03:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-07 02:03:22,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-07 02:03:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1653 states have (on average 1.4821536600120992) internal successors, (2450), 1653 states have internal predecessors, (2450), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 02:03:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2476 transitions. [2024-11-07 02:03:22,692 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2476 transitions. Word has length 625 [2024-11-07 02:03:22,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:22,693 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2476 transitions. [2024-11-07 02:03:22,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 states have internal predecessors, (563), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2476 transitions. [2024-11-07 02:03:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2024-11-07 02:03:22,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:22,697 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:22,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 02:03:22,698 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:22,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:22,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1769578045, now seen corresponding path program 1 times [2024-11-07 02:03:22,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:22,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106827208] [2024-11-07 02:03:22,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:22,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 02:03:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 02:03:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 02:03:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 02:03:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 02:03:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 02:03:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 02:03:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 02:03:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 02:03:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:24,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:24,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106827208] [2024-11-07 02:03:24,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106827208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:24,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:24,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:03:24,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547809320] [2024-11-07 02:03:24,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:24,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:03:24,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:24,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:03:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:24,091 INFO L87 Difference]: Start difference. First operand 1668 states and 2476 transitions. Second operand has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:24,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:24,606 INFO L93 Difference]: Finished difference Result 4565 states and 6773 transitions. [2024-11-07 02:03:24,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:03:24,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 626 [2024-11-07 02:03:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:24,612 INFO L225 Difference]: With dead ends: 4565 [2024-11-07 02:03:24,612 INFO L226 Difference]: Without dead ends: 3091 [2024-11-07 02:03:24,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:03:24,614 INFO L432 NwaCegarLoop]: 2464 mSDtfsCounter, 2061 mSDsluCounter, 9317 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 11781 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:24,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 11781 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 02:03:24,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2024-11-07 02:03:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 1783. [2024-11-07 02:03:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1764 states have (on average 1.4812925170068028) internal successors, (2613), 1764 states have internal predecessors, (2613), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 02:03:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2647 transitions. [2024-11-07 02:03:24,636 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2647 transitions. Word has length 626 [2024-11-07 02:03:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:24,636 INFO L471 AbstractCegarLoop]: Abstraction has 1783 states and 2647 transitions. [2024-11-07 02:03:24,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2647 transitions. [2024-11-07 02:03:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2024-11-07 02:03:24,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:24,639 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:24,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 02:03:24,640 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:24,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:24,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1848278462, now seen corresponding path program 1 times [2024-11-07 02:03:24,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:24,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326689346] [2024-11-07 02:03:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 02:03:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-07 02:03:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:26,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:26,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326689346] [2024-11-07 02:03:26,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326689346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:26,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:26,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:26,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521991060] [2024-11-07 02:03:26,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:26,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:26,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:26,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:26,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:26,640 INFO L87 Difference]: Start difference. First operand 1783 states and 2647 transitions. Second operand has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:27,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:27,540 INFO L93 Difference]: Finished difference Result 3241 states and 4809 transitions. [2024-11-07 02:03:27,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:03:27,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 627 [2024-11-07 02:03:27,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:27,544 INFO L225 Difference]: With dead ends: 3241 [2024-11-07 02:03:27,545 INFO L226 Difference]: Without dead ends: 1787 [2024-11-07 02:03:27,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:27,548 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 2273 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 5776 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:27,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 5776 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 02:03:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2024-11-07 02:03:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1785. [2024-11-07 02:03:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1766 states have (on average 1.4807474518686297) internal successors, (2615), 1766 states have internal predecessors, (2615), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 02:03:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2649 transitions. [2024-11-07 02:03:27,577 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2649 transitions. Word has length 627 [2024-11-07 02:03:27,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:27,577 INFO L471 AbstractCegarLoop]: Abstraction has 1785 states and 2649 transitions. [2024-11-07 02:03:27,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2649 transitions. [2024-11-07 02:03:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2024-11-07 02:03:27,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:27,581 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:27,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 02:03:27,581 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:27,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash 193492692, now seen corresponding path program 1 times [2024-11-07 02:03:27,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:27,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825350578] [2024-11-07 02:03:27,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:27,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 02:03:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-07 02:03:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:29,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825350578] [2024-11-07 02:03:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825350578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:29,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:29,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:29,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644853138] [2024-11-07 02:03:29,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:29,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:29,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:29,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:29,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:29,587 INFO L87 Difference]: Start difference. First operand 1785 states and 2649 transitions. Second operand has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:30,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:30,540 INFO L93 Difference]: Finished difference Result 3245 states and 4813 transitions. [2024-11-07 02:03:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:03:30,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 628 [2024-11-07 02:03:30,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:30,545 INFO L225 Difference]: With dead ends: 3245 [2024-11-07 02:03:30,545 INFO L226 Difference]: Without dead ends: 1789 [2024-11-07 02:03:30,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:30,548 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 2349 mSDsluCounter, 3811 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:30,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 5742 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 02:03:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2024-11-07 02:03:30,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1787. [2024-11-07 02:03:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1768 states have (on average 1.4802036199095023) internal successors, (2617), 1768 states have internal predecessors, (2617), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 02:03:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2651 transitions. [2024-11-07 02:03:30,572 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2651 transitions. Word has length 628 [2024-11-07 02:03:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:30,572 INFO L471 AbstractCegarLoop]: Abstraction has 1787 states and 2651 transitions. [2024-11-07 02:03:30,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2651 transitions. [2024-11-07 02:03:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2024-11-07 02:03:30,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:30,577 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:30,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 02:03:30,577 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:30,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2108398751, now seen corresponding path program 1 times [2024-11-07 02:03:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371361455] [2024-11-07 02:03:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:30,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 02:03:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-07 02:03:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:33,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:33,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371361455] [2024-11-07 02:03:33,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371361455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:33,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:33,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:33,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002048486] [2024-11-07 02:03:33,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:33,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:33,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:33,315 INFO L87 Difference]: Start difference. First operand 1787 states and 2651 transitions. Second operand has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:34,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:34,170 INFO L93 Difference]: Finished difference Result 3247 states and 4814 transitions. [2024-11-07 02:03:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:03:34,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 629 [2024-11-07 02:03:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:34,173 INFO L225 Difference]: With dead ends: 3247 [2024-11-07 02:03:34,175 INFO L226 Difference]: Without dead ends: 1789 [2024-11-07 02:03:34,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:34,177 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 2198 mSDsluCounter, 3828 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2198 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:34,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 5759 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 02:03:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2024-11-07 02:03:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1788. [2024-11-07 02:03:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1769 states have (on average 1.4799321650650086) internal successors, (2618), 1769 states have internal predecessors, (2618), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 02:03:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2652 transitions. [2024-11-07 02:03:34,218 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 2652 transitions. Word has length 629 [2024-11-07 02:03:34,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:34,219 INFO L471 AbstractCegarLoop]: Abstraction has 1788 states and 2652 transitions. [2024-11-07 02:03:34,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-07 02:03:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2652 transitions. [2024-11-07 02:03:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2024-11-07 02:03:34,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:34,227 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:34,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 02:03:34,228 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:34,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1543028552, now seen corresponding path program 1 times [2024-11-07 02:03:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:34,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642299563] [2024-11-07 02:03:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:34,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 02:03:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-07 02:03:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:37,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642299563] [2024-11-07 02:03:37,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642299563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:37,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:37,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 02:03:37,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711625026] [2024-11-07 02:03:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:37,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 02:03:37,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 02:03:37,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 02:03:37,343 INFO L87 Difference]: Start difference. First operand 1788 states and 2652 transitions. Second operand has 11 states, 11 states have (on average 51.54545454545455) internal successors, (567), 11 states have internal predecessors, (567), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:39,225 INFO L93 Difference]: Finished difference Result 4962 states and 7356 transitions. [2024-11-07 02:03:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 02:03:39,226 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 51.54545454545455) internal successors, (567), 11 states have internal predecessors, (567), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 629 [2024-11-07 02:03:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:39,232 INFO L225 Difference]: With dead ends: 4962 [2024-11-07 02:03:39,232 INFO L226 Difference]: Without dead ends: 3503 [2024-11-07 02:03:39,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-07 02:03:39,234 INFO L432 NwaCegarLoop]: 2100 mSDtfsCounter, 8237 mSDsluCounter, 14567 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8257 SdHoareTripleChecker+Valid, 16667 SdHoareTripleChecker+Invalid, 3960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:39,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8257 Valid, 16667 Invalid, 3960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 02:03:39,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2024-11-07 02:03:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 2166. [2024-11-07 02:03:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2132 states have (on average 1.4784240150093808) internal successors, (3152), 2132 states have internal predecessors, (3152), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 3216 transitions. [2024-11-07 02:03:39,259 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 3216 transitions. Word has length 629 [2024-11-07 02:03:39,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:39,259 INFO L471 AbstractCegarLoop]: Abstraction has 2166 states and 3216 transitions. [2024-11-07 02:03:39,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 51.54545454545455) internal successors, (567), 11 states have internal predecessors, (567), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 3216 transitions. [2024-11-07 02:03:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2024-11-07 02:03:39,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:39,263 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:39,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 02:03:39,263 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:39,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:39,264 INFO L85 PathProgramCache]: Analyzing trace with hash -908508605, now seen corresponding path program 1 times [2024-11-07 02:03:39,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:39,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623234530] [2024-11-07 02:03:39,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:39,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 02:03:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 02:03:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:41,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:41,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623234530] [2024-11-07 02:03:41,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623234530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:41,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:41,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:03:41,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18826977] [2024-11-07 02:03:41,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:41,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:03:41,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:41,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:03:41,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:41,183 INFO L87 Difference]: Start difference. First operand 2166 states and 3216 transitions. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:42,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:42,581 INFO L93 Difference]: Finished difference Result 5216 states and 7737 transitions. [2024-11-07 02:03:42,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:03:42,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 630 [2024-11-07 02:03:42,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:42,587 INFO L225 Difference]: With dead ends: 5216 [2024-11-07 02:03:42,587 INFO L226 Difference]: Without dead ends: 3619 [2024-11-07 02:03:42,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:03:42,589 INFO L432 NwaCegarLoop]: 1929 mSDtfsCounter, 6396 mSDsluCounter, 5723 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6418 SdHoareTripleChecker+Valid, 7652 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:42,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6418 Valid, 7652 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2218 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 02:03:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2024-11-07 02:03:42,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 2168. [2024-11-07 02:03:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2134 states have (on average 1.477975632614808) internal successors, (3154), 2134 states have internal predecessors, (3154), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3218 transitions. [2024-11-07 02:03:42,616 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3218 transitions. Word has length 630 [2024-11-07 02:03:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:42,616 INFO L471 AbstractCegarLoop]: Abstraction has 2168 states and 3218 transitions. [2024-11-07 02:03:42,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3218 transitions. [2024-11-07 02:03:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2024-11-07 02:03:42,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:42,619 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:42,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 02:03:42,620 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:42,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1944437398, now seen corresponding path program 1 times [2024-11-07 02:03:42,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:42,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106769361] [2024-11-07 02:03:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 02:03:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 02:03:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 02:03:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 02:03:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 02:03:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 02:03:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 02:03:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 02:03:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 02:03:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 02:03:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 02:03:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 02:03:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 02:03:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:43,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:43,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106769361] [2024-11-07 02:03:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106769361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:43,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:43,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:43,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640161973] [2024-11-07 02:03:43,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:43,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:43,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:43,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:43,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:43,575 INFO L87 Difference]: Start difference. First operand 2168 states and 3218 transitions. Second operand has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:44,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:44,062 INFO L93 Difference]: Finished difference Result 3799 states and 5634 transitions. [2024-11-07 02:03:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:44,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 630 [2024-11-07 02:03:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:44,068 INFO L225 Difference]: With dead ends: 3799 [2024-11-07 02:03:44,068 INFO L226 Difference]: Without dead ends: 2168 [2024-11-07 02:03:44,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:44,071 INFO L432 NwaCegarLoop]: 2491 mSDtfsCounter, 14 mSDsluCounter, 4420 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:44,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6911 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 02:03:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2024-11-07 02:03:44,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2024-11-07 02:03:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2134 states have (on average 1.4770384254920337) internal successors, (3152), 2134 states have internal predecessors, (3152), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3216 transitions. [2024-11-07 02:03:44,105 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3216 transitions. Word has length 630 [2024-11-07 02:03:44,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:44,105 INFO L471 AbstractCegarLoop]: Abstraction has 2168 states and 3216 transitions. [2024-11-07 02:03:44,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3216 transitions. [2024-11-07 02:03:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2024-11-07 02:03:44,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:44,109 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:44,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 02:03:44,110 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:44,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:44,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2071068891, now seen corresponding path program 1 times [2024-11-07 02:03:44,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:44,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531103584] [2024-11-07 02:03:44,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:44,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 02:03:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 02:03:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 02:03:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 02:03:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 02:03:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 02:03:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 02:03:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:45,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:45,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531103584] [2024-11-07 02:03:45,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531103584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:45,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:45,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984815898] [2024-11-07 02:03:45,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:45,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:45,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:45,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:45,997 INFO L87 Difference]: Start difference. First operand 2168 states and 3216 transitions. Second operand has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:46,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:46,622 INFO L93 Difference]: Finished difference Result 3627 states and 5376 transitions. [2024-11-07 02:03:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 631 [2024-11-07 02:03:46,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:46,626 INFO L225 Difference]: With dead ends: 3627 [2024-11-07 02:03:46,626 INFO L226 Difference]: Without dead ends: 2168 [2024-11-07 02:03:46,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:46,628 INFO L432 NwaCegarLoop]: 1932 mSDtfsCounter, 2339 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 3846 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:46,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 3846 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 02:03:46,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2024-11-07 02:03:46,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2024-11-07 02:03:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2134 states have (on average 1.4765698219306467) internal successors, (3151), 2134 states have internal predecessors, (3151), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3215 transitions. [2024-11-07 02:03:46,656 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3215 transitions. Word has length 631 [2024-11-07 02:03:46,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:46,659 INFO L471 AbstractCegarLoop]: Abstraction has 2168 states and 3215 transitions. [2024-11-07 02:03:46,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3215 transitions. [2024-11-07 02:03:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2024-11-07 02:03:46,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:46,665 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:46,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 02:03:46,665 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:46,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:46,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2016246452, now seen corresponding path program 1 times [2024-11-07 02:03:46,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:46,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302798878] [2024-11-07 02:03:46,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 02:03:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 02:03:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 02:03:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 02:03:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 02:03:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 02:03:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 02:03:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:48,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:48,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302798878] [2024-11-07 02:03:48,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302798878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:48,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:48,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 02:03:48,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21871560] [2024-11-07 02:03:48,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:48,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 02:03:48,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:48,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 02:03:48,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:03:48,998 INFO L87 Difference]: Start difference. First operand 2168 states and 3215 transitions. Second operand has 7 states, 7 states have (on average 81.42857142857143) internal successors, (570), 7 states have internal predecessors, (570), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:49,240 INFO L93 Difference]: Finished difference Result 3721 states and 5515 transitions. [2024-11-07 02:03:49,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 02:03:49,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 81.42857142857143) internal successors, (570), 7 states have internal predecessors, (570), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 632 [2024-11-07 02:03:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:49,243 INFO L225 Difference]: With dead ends: 3721 [2024-11-07 02:03:49,243 INFO L226 Difference]: Without dead ends: 2184 [2024-11-07 02:03:49,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:03:49,246 INFO L432 NwaCegarLoop]: 2436 mSDtfsCounter, 2270 mSDsluCounter, 9614 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 12050 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:49,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 12050 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:03:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2024-11-07 02:03:49,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2178. [2024-11-07 02:03:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2144 states have (on average 1.4752798507462686) internal successors, (3163), 2144 states have internal predecessors, (3163), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 3227 transitions. [2024-11-07 02:03:49,269 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 3227 transitions. Word has length 632 [2024-11-07 02:03:49,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:49,270 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 3227 transitions. [2024-11-07 02:03:49,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 81.42857142857143) internal successors, (570), 7 states have internal predecessors, (570), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3227 transitions. [2024-11-07 02:03:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2024-11-07 02:03:49,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:49,274 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:49,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 02:03:49,274 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:49,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:49,275 INFO L85 PathProgramCache]: Analyzing trace with hash -212789220, now seen corresponding path program 1 times [2024-11-07 02:03:49,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:49,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124933143] [2024-11-07 02:03:49,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:49,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 02:03:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 02:03:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 02:03:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 02:03:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 02:03:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-07 02:03:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 02:03:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:49,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:49,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124933143] [2024-11-07 02:03:49,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124933143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:49,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:49,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:03:49,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641347713] [2024-11-07 02:03:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:49,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:03:49,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:49,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:03:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:49,938 INFO L87 Difference]: Start difference. First operand 2178 states and 3227 transitions. Second operand has 6 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:50,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:50,952 INFO L93 Difference]: Finished difference Result 3720 states and 5509 transitions. [2024-11-07 02:03:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:03:50,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 633 [2024-11-07 02:03:50,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:50,956 INFO L225 Difference]: With dead ends: 3720 [2024-11-07 02:03:50,956 INFO L226 Difference]: Without dead ends: 2186 [2024-11-07 02:03:50,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:03:50,958 INFO L432 NwaCegarLoop]: 1929 mSDtfsCounter, 2409 mSDsluCounter, 5721 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 7650 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:50,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 7650 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 02:03:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-07 02:03:50,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2182. [2024-11-07 02:03:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2148 states have (on average 1.4743947858472999) internal successors, (3167), 2148 states have internal predecessors, (3167), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3231 transitions. [2024-11-07 02:03:50,985 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3231 transitions. Word has length 633 [2024-11-07 02:03:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:50,985 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 3231 transitions. [2024-11-07 02:03:50,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:03:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3231 transitions. [2024-11-07 02:03:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2024-11-07 02:03:50,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:50,990 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:50,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 02:03:50,991 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:50,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:50,991 INFO L85 PathProgramCache]: Analyzing trace with hash -2048190998, now seen corresponding path program 1 times [2024-11-07 02:03:50,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:50,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065230408] [2024-11-07 02:03:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 02:03:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 02:03:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 02:03:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 02:03:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 02:03:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-07 02:03:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 02:03:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:51,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:51,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065230408] [2024-11-07 02:03:51,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065230408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:51,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:51,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:51,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892158708] [2024-11-07 02:03:51,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:51,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:51,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:51,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:51,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:51,576 INFO L87 Difference]: Start difference. First operand 2182 states and 3231 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:51,635 INFO L93 Difference]: Finished difference Result 3738 states and 5532 transitions. [2024-11-07 02:03:51,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:51,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 633 [2024-11-07 02:03:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:51,642 INFO L225 Difference]: With dead ends: 3738 [2024-11-07 02:03:51,642 INFO L226 Difference]: Without dead ends: 2186 [2024-11-07 02:03:51,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:51,644 INFO L432 NwaCegarLoop]: 2468 mSDtfsCounter, 0 mSDsluCounter, 4905 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7373 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:51,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7373 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:03:51,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-07 02:03:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2186. [2024-11-07 02:03:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 2152 states have (on average 1.4735130111524164) internal successors, (3171), 2152 states have internal predecessors, (3171), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3235 transitions. [2024-11-07 02:03:51,673 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3235 transitions. Word has length 633 [2024-11-07 02:03:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:51,674 INFO L471 AbstractCegarLoop]: Abstraction has 2186 states and 3235 transitions. [2024-11-07 02:03:51,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3235 transitions. [2024-11-07 02:03:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2024-11-07 02:03:51,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:51,678 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:51,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 02:03:51,678 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:51,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:51,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1567930413, now seen corresponding path program 1 times [2024-11-07 02:03:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:51,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88882271] [2024-11-07 02:03:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:51,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 02:03:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 02:03:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 02:03:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 02:03:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 02:03:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 02:03:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 02:03:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:53,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:53,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88882271] [2024-11-07 02:03:53,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88882271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:53,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:53,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:53,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66113709] [2024-11-07 02:03:53,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:53,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:53,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:53,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:53,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:53,059 INFO L87 Difference]: Start difference. First operand 2186 states and 3235 transitions. Second operand has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:53,678 INFO L93 Difference]: Finished difference Result 3654 states and 5404 transitions. [2024-11-07 02:03:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:53,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 634 [2024-11-07 02:03:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:53,681 INFO L225 Difference]: With dead ends: 3654 [2024-11-07 02:03:53,681 INFO L226 Difference]: Without dead ends: 2186 [2024-11-07 02:03:53,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:53,683 INFO L432 NwaCegarLoop]: 1932 mSDtfsCounter, 2112 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 3846 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:53,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 3846 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 02:03:53,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-07 02:03:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2186. [2024-11-07 02:03:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 2152 states have (on average 1.4730483271375465) internal successors, (3170), 2152 states have internal predecessors, (3170), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3234 transitions. [2024-11-07 02:03:53,702 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3234 transitions. Word has length 634 [2024-11-07 02:03:53,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:53,702 INFO L471 AbstractCegarLoop]: Abstraction has 2186 states and 3234 transitions. [2024-11-07 02:03:53,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3234 transitions. [2024-11-07 02:03:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-11-07 02:03:53,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:53,706 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:53,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 02:03:53,706 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:53,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:53,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1744747897, now seen corresponding path program 1 times [2024-11-07 02:03:53,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:53,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945039845] [2024-11-07 02:03:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 02:03:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 02:03:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 02:03:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 02:03:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 02:03:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 02:03:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 02:03:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:54,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:54,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945039845] [2024-11-07 02:03:54,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945039845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:54,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:54,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:03:54,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088922681] [2024-11-07 02:03:54,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:54,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:03:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:54,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:03:54,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:03:54,765 INFO L87 Difference]: Start difference. First operand 2186 states and 3234 transitions. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:54,822 INFO L93 Difference]: Finished difference Result 3724 states and 5508 transitions. [2024-11-07 02:03:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:03:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 635 [2024-11-07 02:03:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:54,825 INFO L225 Difference]: With dead ends: 3724 [2024-11-07 02:03:54,825 INFO L226 Difference]: Without dead ends: 2182 [2024-11-07 02:03:54,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:54,827 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 2257 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:54,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 4893 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:03:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2024-11-07 02:03:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2182. [2024-11-07 02:03:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2148 states have (on average 1.4729981378026071) internal successors, (3164), 2148 states have internal predecessors, (3164), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3228 transitions. [2024-11-07 02:03:54,845 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3228 transitions. Word has length 635 [2024-11-07 02:03:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:54,845 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 3228 transitions. [2024-11-07 02:03:54,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3228 transitions. [2024-11-07 02:03:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-11-07 02:03:54,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:54,848 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:54,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 02:03:54,849 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:54,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:54,849 INFO L85 PathProgramCache]: Analyzing trace with hash 67597091, now seen corresponding path program 1 times [2024-11-07 02:03:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:54,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650598758] [2024-11-07 02:03:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 02:03:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 02:03:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 02:03:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 02:03:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 02:03:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 02:03:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 02:03:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:56,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:56,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650598758] [2024-11-07 02:03:56,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650598758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:56,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:56,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:03:56,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647901516] [2024-11-07 02:03:56,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:56,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:03:56,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:56,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:03:56,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:56,527 INFO L87 Difference]: Start difference. First operand 2182 states and 3228 transitions. Second operand has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:57,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:03:57,223 INFO L93 Difference]: Finished difference Result 3652 states and 5399 transitions. [2024-11-07 02:03:57,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:03:57,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 635 [2024-11-07 02:03:57,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:03:57,227 INFO L225 Difference]: With dead ends: 3652 [2024-11-07 02:03:57,227 INFO L226 Difference]: Without dead ends: 2186 [2024-11-07 02:03:57,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:03:57,228 INFO L432 NwaCegarLoop]: 1930 mSDtfsCounter, 2188 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 5773 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 02:03:57,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 5773 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 02:03:57,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-07 02:03:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2184. [2024-11-07 02:03:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 2150 states have (on average 1.4725581395348837) internal successors, (3166), 2150 states have internal predecessors, (3166), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:03:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 3230 transitions. [2024-11-07 02:03:57,251 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 3230 transitions. Word has length 635 [2024-11-07 02:03:57,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:03:57,252 INFO L471 AbstractCegarLoop]: Abstraction has 2184 states and 3230 transitions. [2024-11-07 02:03:57,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:03:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 3230 transitions. [2024-11-07 02:03:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-11-07 02:03:57,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:03:57,256 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:03:57,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 02:03:57,256 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:03:57,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:03:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash 398953714, now seen corresponding path program 1 times [2024-11-07 02:03:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:03:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804709419] [2024-11-07 02:03:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:03:57,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:03:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 02:03:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 02:03:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 02:03:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 02:03:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 02:03:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 02:03:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 02:03:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 02:03:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 02:03:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 02:03:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 02:03:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 02:03:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 02:03:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:03:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:03:59,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:03:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804709419] [2024-11-07 02:03:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804709419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:03:59,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:03:59,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 02:03:59,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680206581] [2024-11-07 02:03:59,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:03:59,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 02:03:59,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:03:59,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 02:03:59,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:03:59,945 INFO L87 Difference]: Start difference. First operand 2184 states and 3230 transitions. Second operand has 8 states, 8 states have (on average 71.75) internal successors, (574), 8 states have internal predecessors, (574), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:04:00,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:04:00,215 INFO L93 Difference]: Finished difference Result 4809 states and 7105 transitions. [2024-11-07 02:04:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 02:04:00,218 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 71.75) internal successors, (574), 8 states have internal predecessors, (574), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 636 [2024-11-07 02:04:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:04:00,222 INFO L225 Difference]: With dead ends: 4809 [2024-11-07 02:04:00,222 INFO L226 Difference]: Without dead ends: 3339 [2024-11-07 02:04:00,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 02:04:00,224 INFO L432 NwaCegarLoop]: 2429 mSDtfsCounter, 6205 mSDsluCounter, 12087 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6220 SdHoareTripleChecker+Valid, 14516 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:04:00,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6220 Valid, 14516 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:04:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2024-11-07 02:04:00,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 2182. [2024-11-07 02:04:00,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2148 states have (on average 1.4720670391061452) internal successors, (3162), 2148 states have internal predecessors, (3162), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:04:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3226 transitions. [2024-11-07 02:04:00,246 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3226 transitions. Word has length 636 [2024-11-07 02:04:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:04:00,246 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 3226 transitions. [2024-11-07 02:04:00,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 71.75) internal successors, (574), 8 states have internal predecessors, (574), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 02:04:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3226 transitions. [2024-11-07 02:04:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-11-07 02:04:00,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:04:00,250 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:04:00,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 02:04:00,250 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:04:00,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:04:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1854123421, now seen corresponding path program 1 times [2024-11-07 02:04:00,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:04:00,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935987536] [2024-11-07 02:04:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:04:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:04:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 02:04:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 02:04:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 02:04:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 02:04:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 02:04:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 02:04:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 02:04:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 02:04:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 02:04:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 02:04:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 02:04:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 02:04:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 02:04:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:04:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 02:04:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:04:02,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935987536] [2024-11-07 02:04:02,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935987536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:04:02,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:04:02,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 02:04:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220744968] [2024-11-07 02:04:02,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:04:02,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 02:04:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:04:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 02:04:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:04:02,551 INFO L87 Difference]: Start difference. First operand 2182 states and 3226 transitions. Second operand has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:04:03,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:04:03,654 INFO L93 Difference]: Finished difference Result 3654 states and 5399 transitions. [2024-11-07 02:04:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:04:03,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 636 [2024-11-07 02:04:03,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:04:03,657 INFO L225 Difference]: With dead ends: 3654 [2024-11-07 02:04:03,657 INFO L226 Difference]: Without dead ends: 2186 [2024-11-07 02:04:03,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 02:04:03,660 INFO L432 NwaCegarLoop]: 1901 mSDtfsCounter, 2367 mSDsluCounter, 5691 mSDsCounter, 0 mSdLazyCounter, 2323 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 7592 SdHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:04:03,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 7592 Invalid, 2325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2323 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 02:04:03,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-07 02:04:03,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2183. [2024-11-07 02:04:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 2149 states have (on average 1.4713820381572824) internal successors, (3162), 2149 states have internal predecessors, (3162), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 02:04:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 3226 transitions. [2024-11-07 02:04:03,696 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 3226 transitions. Word has length 636 [2024-11-07 02:04:03,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:04:03,697 INFO L471 AbstractCegarLoop]: Abstraction has 2183 states and 3226 transitions. [2024-11-07 02:04:03,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-07 02:04:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 3226 transitions. [2024-11-07 02:04:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2024-11-07 02:04:03,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:04:03,707 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:04:03,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 02:04:03,707 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:04:03,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:04:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1881946570, now seen corresponding path program 1 times [2024-11-07 02:04:03,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:04:03,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95441781] [2024-11-07 02:04:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:04:03,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms