./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:57:56,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:57:56,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:57:56,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:57:56,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:57:56,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:57:56,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:57:56,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:57:56,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:57:56,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:57:56,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:57:56,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:57:56,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:57:56,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:57:56,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:57:56,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:57:56,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:57:56,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:57:56,425 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 [2024-11-07 06:57:56,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:57:56,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:57:56,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:57:56,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:57:56,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:57:56,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-07 06:57:58,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:57:58,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:57:58,269 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-07 06:57:58,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e40b3352/6c7954e5aad34bbaae917d779627e652/FLAG5a7df0c8c [2024-11-07 06:57:58,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e40b3352/6c7954e5aad34bbaae917d779627e652 [2024-11-07 06:57:58,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:57:58,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:57:58,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:57:58,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:57:58,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:57:58,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a593d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58, skipping insertion in model container [2024-11-07 06:57:58,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:57:58,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-07 06:57:58,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:57:58,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:57:58,536 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-07 06:57:58,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:57:58,582 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:57:58,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58 WrapperNode [2024-11-07 06:57:58,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:57:58,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:57:58,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:57:58,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:57:58,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,653 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-07 06:57:58,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:57:58,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:57:58,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:57:58,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:57:58,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,695 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 06:57:58,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:57:58,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:57:58,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:57:58,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:57:58,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (1/1) ... [2024-11-07 06:57:58,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:57:58,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:57:58,775 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 06:57:58,778 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 06:57:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:57:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:57:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:57:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:57:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:57:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:57:58,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:57:58,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:57:59,387 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 06:57:59,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:57:59,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:57:59,400 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:57:59,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:59 BoogieIcfgContainer [2024-11-07 06:57:59,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:57:59,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:57:59,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:57:59,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:57:59,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:57:58" (1/3) ... [2024-11-07 06:57:59,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249edcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:59, skipping insertion in model container [2024-11-07 06:57:59,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:58" (2/3) ... [2024-11-07 06:57:59,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249edcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:59, skipping insertion in model container [2024-11-07 06:57:59,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:59" (3/3) ... [2024-11-07 06:57:59,412 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-07 06:57:59,425 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:57:59,426 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:57:59,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:57:59,480 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;@2e2a6341, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:57:59,481 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:57:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:57:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:57:59,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:59,504 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:59,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:59,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2015951129, now seen corresponding path program 1 times [2024-11-07 06:57:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:59,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205803505] [2024-11-07 06:57:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:57:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:57:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:57:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:57:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:57:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:57:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:57:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:57:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:57:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:59,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205803505] [2024-11-07 06:57:59,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205803505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:59,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:59,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:57:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997231962] [2024-11-07 06:57:59,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:59,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:57:59,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:00,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:58:00,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:58:00,040 INFO L87 Difference]: Start difference. First operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:58:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:00,076 INFO L93 Difference]: Finished difference Result 189 states and 331 transitions. [2024-11-07 06:58:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:58:00,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-07 06:58:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:00,084 INFO L225 Difference]: With dead ends: 189 [2024-11-07 06:58:00,084 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 06:58:00,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:58:00,092 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:00,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:58:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 06:58:00,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 06:58:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:58:00,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-07 06:58:00,137 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 175 [2024-11-07 06:58:00,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:00,137 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-07 06:58:00,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:58:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-07 06:58:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:58:00,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:00,141 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:00,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:58:00,141 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:00,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:00,142 INFO L85 PathProgramCache]: Analyzing trace with hash 476781609, now seen corresponding path program 1 times [2024-11-07 06:58:00,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:00,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630421866] [2024-11-07 06:58:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630421866] [2024-11-07 06:58:00,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630421866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:00,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:58:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486306324] [2024-11-07 06:58:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:00,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:58:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:00,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:58:00,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:58:00,594 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:00,630 INFO L93 Difference]: Finished difference Result 186 states and 293 transitions. [2024-11-07 06:58:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:58:00,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-07 06:58:00,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:00,634 INFO L225 Difference]: With dead ends: 186 [2024-11-07 06:58:00,634 INFO L226 Difference]: Without dead ends: 95 [2024-11-07 06:58:00,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:58:00,635 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:00,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:58:00,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-07 06:58:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-07 06:58:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:58:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-07 06:58:00,650 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 175 [2024-11-07 06:58:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:00,654 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-07 06:58:00,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-07 06:58:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:58:00,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:00,658 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:00,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:58:00,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:00,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:00,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1517363097, now seen corresponding path program 1 times [2024-11-07 06:58:00,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:00,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908953812] [2024-11-07 06:58:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:00,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:00,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:01,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:01,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908953812] [2024-11-07 06:58:01,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908953812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:01,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:01,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:58:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234072697] [2024-11-07 06:58:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:01,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:58:01,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:01,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:58:01,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:58:01,108 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:01,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:01,392 INFO L93 Difference]: Finished difference Result 280 states and 439 transitions. [2024-11-07 06:58:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:58:01,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-07 06:58:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:01,395 INFO L225 Difference]: With dead ends: 280 [2024-11-07 06:58:01,396 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 06:58:01,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 06:58:01,399 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:01,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 503 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:58:01,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 06:58:01,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2024-11-07 06:58:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 111 states have internal predecessors, (156), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:58:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 264 transitions. [2024-11-07 06:58:01,440 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 264 transitions. Word has length 175 [2024-11-07 06:58:01,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:01,441 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 264 transitions. [2024-11-07 06:58:01,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions. [2024-11-07 06:58:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:58:01,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:01,446 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:01,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:58:01,446 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:01,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:01,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1766486949, now seen corresponding path program 1 times [2024-11-07 06:58:01,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:01,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54850155] [2024-11-07 06:58:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:01,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:09,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:09,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54850155] [2024-11-07 06:58:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54850155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:09,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:09,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:58:09,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21499060] [2024-11-07 06:58:09,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:58:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:09,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:58:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:58:09,184 INFO L87 Difference]: Start difference. First operand 168 states and 264 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:12,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:12,264 INFO L93 Difference]: Finished difference Result 357 states and 549 transitions. [2024-11-07 06:58:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 06:58:12,265 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-07 06:58:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:12,268 INFO L225 Difference]: With dead ends: 357 [2024-11-07 06:58:12,268 INFO L226 Difference]: Without dead ends: 265 [2024-11-07 06:58:12,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2024-11-07 06:58:12,270 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 456 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:12,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1060 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 06:58:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-07 06:58:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210. [2024-11-07 06:58:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 153 states have internal predecessors, (219), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:58:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 327 transitions. [2024-11-07 06:58:12,300 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 327 transitions. Word has length 175 [2024-11-07 06:58:12,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:12,301 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 327 transitions. [2024-11-07 06:58:12,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 327 transitions. [2024-11-07 06:58:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:58:12,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:12,306 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:12,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:58:12,306 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:12,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:12,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1985341667, now seen corresponding path program 1 times [2024-11-07 06:58:12,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169638031] [2024-11-07 06:58:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:12,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:12,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:12,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169638031] [2024-11-07 06:58:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169638031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:12,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:12,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:58:12,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285181301] [2024-11-07 06:58:12,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:12,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:58:12,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:12,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:58:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:58:12,632 INFO L87 Difference]: Start difference. First operand 210 states and 327 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:12,726 INFO L93 Difference]: Finished difference Result 486 states and 759 transitions. [2024-11-07 06:58:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:58:12,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-07 06:58:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:12,733 INFO L225 Difference]: With dead ends: 486 [2024-11-07 06:58:12,733 INFO L226 Difference]: Without dead ends: 394 [2024-11-07 06:58:12,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 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 06:58:12,735 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 275 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:12,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 556 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:58:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-07 06:58:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 355. [2024-11-07 06:58:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 270 states have (on average 1.4666666666666666) internal successors, (396), 270 states have internal predecessors, (396), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 558 transitions. [2024-11-07 06:58:12,788 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 558 transitions. Word has length 175 [2024-11-07 06:58:12,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:12,792 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 558 transitions. [2024-11-07 06:58:12,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 558 transitions. [2024-11-07 06:58:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:58:12,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:12,794 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:12,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:58:12,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:12,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1232134917, now seen corresponding path program 1 times [2024-11-07 06:58:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:12,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772530715] [2024-11-07 06:58:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:12,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:13,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772530715] [2024-11-07 06:58:13,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772530715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:13,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:13,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:58:13,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042552480] [2024-11-07 06:58:13,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:13,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:58:13,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:13,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:58:13,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:58:13,038 INFO L87 Difference]: Start difference. First operand 355 states and 558 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:13,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:13,088 INFO L93 Difference]: Finished difference Result 604 states and 950 transitions. [2024-11-07 06:58:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:58:13,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-07 06:58:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:13,094 INFO L225 Difference]: With dead ends: 604 [2024-11-07 06:58:13,094 INFO L226 Difference]: Without dead ends: 364 [2024-11-07 06:58:13,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:58:13,098 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:13,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 272 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:58:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-07 06:58:13,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 355. [2024-11-07 06:58:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 270 states have (on average 1.4555555555555555) internal successors, (393), 270 states have internal predecessors, (393), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 555 transitions. [2024-11-07 06:58:13,129 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 555 transitions. Word has length 176 [2024-11-07 06:58:13,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:13,131 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 555 transitions. [2024-11-07 06:58:13,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 555 transitions. [2024-11-07 06:58:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:58:13,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:13,133 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:13,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 06:58:13,134 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:13,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash 542872445, now seen corresponding path program 1 times [2024-11-07 06:58:13,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:13,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247947169] [2024-11-07 06:58:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:13,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:17,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:17,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247947169] [2024-11-07 06:58:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247947169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:17,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:17,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:58:17,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104424727] [2024-11-07 06:58:17,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:17,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:58:17,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:17,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:58:17,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:58:17,894 INFO L87 Difference]: Start difference. First operand 355 states and 555 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:21,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:21,050 INFO L93 Difference]: Finished difference Result 652 states and 999 transitions. [2024-11-07 06:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 06:58:21,051 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-07 06:58:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:21,054 INFO L225 Difference]: With dead ends: 652 [2024-11-07 06:58:21,054 INFO L226 Difference]: Without dead ends: 415 [2024-11-07 06:58:21,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 06:58:21,056 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 478 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:21,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 998 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 06:58:21,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-07 06:58:21,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 356. [2024-11-07 06:58:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 271 states have (on average 1.4538745387453875) internal successors, (394), 271 states have internal predecessors, (394), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 556 transitions. [2024-11-07 06:58:21,088 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 556 transitions. Word has length 176 [2024-11-07 06:58:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:21,089 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 556 transitions. [2024-11-07 06:58:21,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 556 transitions. [2024-11-07 06:58:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:58:21,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:21,091 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:21,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 06:58:21,091 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:21,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1019977503, now seen corresponding path program 1 times [2024-11-07 06:58:21,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:21,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126226324] [2024-11-07 06:58:21,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:30,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:30,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126226324] [2024-11-07 06:58:30,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126226324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:30,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:30,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 06:58:30,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795026395] [2024-11-07 06:58:30,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:30,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 06:58:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:30,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 06:58:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:58:30,327 INFO L87 Difference]: Start difference. First operand 356 states and 556 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:35,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:35,128 INFO L93 Difference]: Finished difference Result 413 states and 620 transitions. [2024-11-07 06:58:35,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 06:58:35,129 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-07 06:58:35,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:35,132 INFO L225 Difference]: With dead ends: 413 [2024-11-07 06:58:35,132 INFO L226 Difference]: Without dead ends: 411 [2024-11-07 06:58:35,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=262, Invalid=794, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 06:58:35,133 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 421 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:35,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1175 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 06:58:35,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-07 06:58:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 359. [2024-11-07 06:58:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 274 states have (on average 1.4525547445255473) internal successors, (398), 274 states have internal predecessors, (398), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 560 transitions. [2024-11-07 06:58:35,157 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 560 transitions. Word has length 176 [2024-11-07 06:58:35,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:35,158 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 560 transitions. [2024-11-07 06:58:35,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 560 transitions. [2024-11-07 06:58:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:58:35,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:35,160 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:35,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 06:58:35,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1706688612, now seen corresponding path program 1 times [2024-11-07 06:58:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108715427] [2024-11-07 06:58:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:39,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108715427] [2024-11-07 06:58:39,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108715427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:39,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:39,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:58:39,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584259299] [2024-11-07 06:58:39,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:39,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:58:39,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:39,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:58:39,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:58:39,293 INFO L87 Difference]: Start difference. First operand 359 states and 560 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:42,409 INFO L93 Difference]: Finished difference Result 430 states and 641 transitions. [2024-11-07 06:58:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 06:58:42,410 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-07 06:58:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:42,413 INFO L225 Difference]: With dead ends: 430 [2024-11-07 06:58:42,413 INFO L226 Difference]: Without dead ends: 428 [2024-11-07 06:58:42,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2024-11-07 06:58:42,414 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 403 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:42,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1150 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 06:58:42,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-07 06:58:42,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 371. [2024-11-07 06:58:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions. [2024-11-07 06:58:42,437 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176 [2024-11-07 06:58:42,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:42,438 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 575 transitions. [2024-11-07 06:58:42,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions. [2024-11-07 06:58:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:58:42,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:42,440 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:42,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 06:58:42,440 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:42,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1026630242, now seen corresponding path program 1 times [2024-11-07 06:58:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669366303] [2024-11-07 06:58:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:47,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:47,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669366303] [2024-11-07 06:58:47,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669366303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:47,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:47,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 06:58:47,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307415822] [2024-11-07 06:58:47,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:47,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 06:58:47,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:47,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 06:58:47,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:58:47,871 INFO L87 Difference]: Start difference. First operand 371 states and 575 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:51,729 INFO L93 Difference]: Finished difference Result 424 states and 635 transitions. [2024-11-07 06:58:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 06:58:51,730 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-07 06:58:51,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:51,733 INFO L225 Difference]: With dead ends: 424 [2024-11-07 06:58:51,733 INFO L226 Difference]: Without dead ends: 422 [2024-11-07 06:58:51,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2024-11-07 06:58:51,738 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 316 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:51,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1290 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 06:58:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-07 06:58:51,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 371. [2024-11-07 06:58:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions. [2024-11-07 06:58:51,765 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176 [2024-11-07 06:58:51,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:51,766 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 575 transitions. [2024-11-07 06:58:51,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions. [2024-11-07 06:58:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:58:51,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:51,770 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:51,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 06:58:51,770 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:51,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash -297321463, now seen corresponding path program 1 times [2024-11-07 06:58:51,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:51,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014516946] [2024-11-07 06:58:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:51,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:58:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:58:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:58:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:58:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:58:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:58:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:58:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:58:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:58:55,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:55,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014516946] [2024-11-07 06:58:55,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014516946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:55,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:55,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 06:58:55,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534128084] [2024-11-07 06:58:55,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:55,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 06:58:55,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:55,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 06:58:55,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:58:55,516 INFO L87 Difference]: Start difference. First operand 371 states and 575 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:58,759 INFO L93 Difference]: Finished difference Result 418 states and 626 transitions. [2024-11-07 06:58:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 06:58:58,760 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-07 06:58:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:58,763 INFO L225 Difference]: With dead ends: 418 [2024-11-07 06:58:58,763 INFO L226 Difference]: Without dead ends: 416 [2024-11-07 06:58:58,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=336, Invalid=996, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 06:58:58,765 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 366 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:58,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1229 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 06:58:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-07 06:58:58,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 368. [2024-11-07 06:58:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 283 states have (on average 1.4452296819787986) internal successors, (409), 283 states have internal predecessors, (409), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:58:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 571 transitions. [2024-11-07 06:58:58,790 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 571 transitions. Word has length 177 [2024-11-07 06:58:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:58,792 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 571 transitions. [2024-11-07 06:58:58,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:58:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 571 transitions. [2024-11-07 06:58:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:58:58,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:58,794 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:58,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 06:58:58,794 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:58,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash 284792409, now seen corresponding path program 1 times [2024-11-07 06:58:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:58,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201120510] [2024-11-07 06:58:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:59:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:59:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:59:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:59:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:59:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:59:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:59:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:59:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:59:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:59:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:59:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:59:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:59:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:59:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 06:59:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:59:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 06:59:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:59:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 06:59:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:59:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 06:59:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:59:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 06:59:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:59:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 06:59:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:59:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:59:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:59:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:59:08,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:59:08,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201120510] [2024-11-07 06:59:08,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201120510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:59:08,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:59:08,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 06:59:08,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128156844] [2024-11-07 06:59:08,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:59:08,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 06:59:08,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:59:08,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 06:59:08,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2024-11-07 06:59:08,092 INFO L87 Difference]: Start difference. First operand 368 states and 571 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:59:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:59:15,588 INFO L93 Difference]: Finished difference Result 446 states and 661 transitions. [2024-11-07 06:59:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 06:59:15,589 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-07 06:59:15,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:59:15,592 INFO L225 Difference]: With dead ends: 446 [2024-11-07 06:59:15,592 INFO L226 Difference]: Without dead ends: 444 [2024-11-07 06:59:15,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=344, Invalid=916, Unknown=0, NotChecked=0, Total=1260 [2024-11-07 06:59:15,594 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 301 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 06:59:15,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 991 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 06:59:15,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-07 06:59:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 372. [2024-11-07 06:59:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 287 states have (on average 1.4425087108013936) internal successors, (414), 287 states have internal predecessors, (414), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:59:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 576 transitions. [2024-11-07 06:59:15,616 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 576 transitions. Word has length 177 [2024-11-07 06:59:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:59:15,617 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 576 transitions. [2024-11-07 06:59:15,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:59:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 576 transitions. [2024-11-07 06:59:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:59:15,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:59:15,619 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:15,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 06:59:15,619 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:59:15,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:59:15,620 INFO L85 PathProgramCache]: Analyzing trace with hash 964850779, now seen corresponding path program 1 times [2024-11-07 06:59:15,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:59:15,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397151246] [2024-11-07 06:59:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:59:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:59:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat