./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.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', 'f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.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 f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:04:31,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:04:31,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:04:31,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:04:31,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:04:31,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:04:31,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:04:31,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:04:31,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:04:31,296 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:04:31,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:04:31,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:04:31,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:04:31,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:04:31,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:04:31,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:04:31,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:04:31,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:04:31,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:04:31,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:04:31,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:04:31,305 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 -> f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 [2024-11-07 08:04:31,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:04:31,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:04:31,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:04:31,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:04:31,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:04:31,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-07 08:04:32,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:04:33,082 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:04:33,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-07 08:04:33,090 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/775f68a77/2604d8af45034a25bf2420dcc4a80b6d/FLAG48a5c0986 [2024-11-07 08:04:33,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/775f68a77/2604d8af45034a25bf2420dcc4a80b6d [2024-11-07 08:04:33,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:04:33,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:04:33,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:04:33,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:04:33,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:04:33,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1103e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33, skipping insertion in model container [2024-11-07 08:04:33,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:04:33,257 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-07 08:04:33,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:04:33,353 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:04:33,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-07 08:04:33,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:04:33,432 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:04:33,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33 WrapperNode [2024-11-07 08:04:33,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:04:33,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:04:33,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:04:33,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:04:33,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,525 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2024-11-07 08:04:33,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:04:33,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:04:33,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:04:33,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:04:33,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,578 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 08:04:33,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:04:33,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:04:33,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:04:33,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:04:33,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2024-11-07 08:04:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:04:33,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:33,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 08:04:33,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 08:04:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:04:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:04:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:04:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:04:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:04:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:04:33,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:04:33,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:04:34,416 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-07 08:04:34,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:04:34,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:04:34,428 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:04:34,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:34 BoogieIcfgContainer [2024-11-07 08:04:34,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:04:34,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:04:34,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:04:34,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:04:34,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:04:33" (1/3) ... [2024-11-07 08:04:34,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f0f890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:34, skipping insertion in model container [2024-11-07 08:04:34,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (2/3) ... [2024-11-07 08:04:34,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f0f890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:34, skipping insertion in model container [2024-11-07 08:04:34,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:34" (3/3) ... [2024-11-07 08:04:34,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-07 08:04:34,451 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:04:34,451 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:04:34,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:04:34,529 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;@43581dea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:04:34,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:04:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 08:04:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-07 08:04:34,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:34,557 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:34,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:34,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash 511854322, now seen corresponding path program 1 times [2024-11-07 08:04:34,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:34,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348734391] [2024-11-07 08:04:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:35,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348734391] [2024-11-07 08:04:35,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348734391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:35,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:35,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:04:35,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718030280] [2024-11-07 08:04:35,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:35,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:04:35,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:35,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:04:35,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:04:35,564 INFO L87 Difference]: Start difference. First operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:35,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:35,718 INFO L93 Difference]: Finished difference Result 334 states and 601 transitions. [2024-11-07 08:04:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:04:35,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-07 08:04:35,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:35,732 INFO L225 Difference]: With dead ends: 334 [2024-11-07 08:04:35,733 INFO L226 Difference]: Without dead ends: 211 [2024-11-07 08:04:35,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 08:04:35,742 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 165 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:35,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 425 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:04:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-07 08:04:35,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 126. [2024-11-07 08:04:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 08:04:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2024-11-07 08:04:35,809 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 238 [2024-11-07 08:04:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:35,813 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2024-11-07 08:04:35,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2024-11-07 08:04:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-07 08:04:35,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:35,819 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:35,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:04:35,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:35,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:35,820 INFO L85 PathProgramCache]: Analyzing trace with hash -499262928, now seen corresponding path program 1 times [2024-11-07 08:04:35,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:35,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141284493] [2024-11-07 08:04:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:35,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:36,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:36,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141284493] [2024-11-07 08:04:36,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141284493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:36,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:36,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:04:36,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157225861] [2024-11-07 08:04:36,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:36,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:04:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:04:36,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:04:36,949 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:37,507 INFO L93 Difference]: Finished difference Result 440 states and 686 transitions. [2024-11-07 08:04:37,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:04:37,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-07 08:04:37,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:37,516 INFO L225 Difference]: With dead ends: 440 [2024-11-07 08:04:37,516 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 08:04:37,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:37,519 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 267 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:37,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 564 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:04:37,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 08:04:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 243. [2024-11-07 08:04:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 164 states have (on average 1.3658536585365855) internal successors, (224), 164 states have internal predecessors, (224), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 08:04:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 376 transitions. [2024-11-07 08:04:37,566 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 376 transitions. Word has length 238 [2024-11-07 08:04:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:37,567 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 376 transitions. [2024-11-07 08:04:37,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 376 transitions. [2024-11-07 08:04:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-07 08:04:37,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:37,571 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:37,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:04:37,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:37,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:37,572 INFO L85 PathProgramCache]: Analyzing trace with hash 532264216, now seen corresponding path program 1 times [2024-11-07 08:04:37,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:37,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508216738] [2024-11-07 08:04:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:37,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:38,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508216738] [2024-11-07 08:04:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508216738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:38,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:04:38,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892086738] [2024-11-07 08:04:38,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:38,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:04:38,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:38,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:04:38,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:04:38,466 INFO L87 Difference]: Start difference. First operand 243 states and 376 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:38,701 INFO L93 Difference]: Finished difference Result 643 states and 984 transitions. [2024-11-07 08:04:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:04:38,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-07 08:04:38,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:38,706 INFO L225 Difference]: With dead ends: 643 [2024-11-07 08:04:38,706 INFO L226 Difference]: Without dead ends: 403 [2024-11-07 08:04:38,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:04:38,708 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 255 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:38,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 406 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:04:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-07 08:04:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 291. [2024-11-07 08:04:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.3761904761904762) internal successors, (289), 210 states have internal predecessors, (289), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 08:04:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 441 transitions. [2024-11-07 08:04:38,772 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 441 transitions. Word has length 239 [2024-11-07 08:04:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:38,773 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 441 transitions. [2024-11-07 08:04:38,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 441 transitions. [2024-11-07 08:04:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-07 08:04:38,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:38,778 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:38,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:04:38,778 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:38,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1273174118, now seen corresponding path program 1 times [2024-11-07 08:04:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159127691] [2024-11-07 08:04:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159127691] [2024-11-07 08:04:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159127691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:39,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:39,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:04:39,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620501913] [2024-11-07 08:04:39,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:39,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:04:39,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:39,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:04:39,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:04:39,022 INFO L87 Difference]: Start difference. First operand 291 states and 441 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:39,147 INFO L93 Difference]: Finished difference Result 715 states and 1080 transitions. [2024-11-07 08:04:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:04:39,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-07 08:04:39,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:39,152 INFO L225 Difference]: With dead ends: 715 [2024-11-07 08:04:39,152 INFO L226 Difference]: Without dead ends: 427 [2024-11-07 08:04:39,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 08:04:39,157 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:39,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 343 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:04:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-07 08:04:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-07 08:04:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 194 states have internal predecessors, (255), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 08:04:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 407 transitions. [2024-11-07 08:04:39,204 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 407 transitions. Word has length 239 [2024-11-07 08:04:39,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:39,206 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 407 transitions. [2024-11-07 08:04:39,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 407 transitions. [2024-11-07 08:04:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-07 08:04:39,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:39,210 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:39,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 08:04:39,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:39,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1283125222, now seen corresponding path program 1 times [2024-11-07 08:04:39,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:39,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064616172] [2024-11-07 08:04:39,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:39,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:40,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:40,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064616172] [2024-11-07 08:04:40,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064616172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:40,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:40,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:40,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465810002] [2024-11-07 08:04:40,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:40,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:40,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:40,210 INFO L87 Difference]: Start difference. First operand 275 states and 407 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:40,751 INFO L93 Difference]: Finished difference Result 699 states and 1038 transitions. [2024-11-07 08:04:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:04:40,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-07 08:04:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:40,758 INFO L225 Difference]: With dead ends: 699 [2024-11-07 08:04:40,759 INFO L226 Difference]: Without dead ends: 427 [2024-11-07 08:04:40,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:40,763 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 147 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:40,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 488 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 08:04:40,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-07 08:04:40,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-07 08:04:40,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3041237113402062) internal successors, (253), 194 states have internal predecessors, (253), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 08:04:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 405 transitions. [2024-11-07 08:04:40,807 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 405 transitions. Word has length 239 [2024-11-07 08:04:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:40,808 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 405 transitions. [2024-11-07 08:04:40,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 405 transitions. [2024-11-07 08:04:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 08:04:40,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:40,810 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:40,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:04:40,811 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:40,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:40,811 INFO L85 PathProgramCache]: Analyzing trace with hash -141118132, now seen corresponding path program 1 times [2024-11-07 08:04:40,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:40,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966291753] [2024-11-07 08:04:40,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:42,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:42,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966291753] [2024-11-07 08:04:42,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966291753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:42,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:42,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:04:42,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760543563] [2024-11-07 08:04:42,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:42,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:04:42,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:42,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:04:42,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:42,302 INFO L87 Difference]: Start difference. First operand 275 states and 405 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:43,072 INFO L93 Difference]: Finished difference Result 687 states and 982 transitions. [2024-11-07 08:04:43,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:04:43,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-07 08:04:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:43,076 INFO L225 Difference]: With dead ends: 687 [2024-11-07 08:04:43,076 INFO L226 Difference]: Without dead ends: 415 [2024-11-07 08:04:43,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:04:43,078 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 143 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:43,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 880 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:04:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-07 08:04:43,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 346. [2024-11-07 08:04:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 259 states have (on average 1.305019305019305) internal successors, (338), 261 states have internal predecessors, (338), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 08:04:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 498 transitions. [2024-11-07 08:04:43,129 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 498 transitions. Word has length 240 [2024-11-07 08:04:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:43,129 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 498 transitions. [2024-11-07 08:04:43,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 498 transitions. [2024-11-07 08:04:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 08:04:43,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:43,133 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:43,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:04:43,133 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:43,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash -547785233, now seen corresponding path program 1 times [2024-11-07 08:04:43,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:43,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662228395] [2024-11-07 08:04:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:43,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:44,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:44,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662228395] [2024-11-07 08:04:44,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662228395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:44,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:04:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409125517] [2024-11-07 08:04:44,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:44,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:04:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:44,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:04:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:04:44,386 INFO L87 Difference]: Start difference. First operand 346 states and 498 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:46,394 INFO L93 Difference]: Finished difference Result 767 states and 1113 transitions. [2024-11-07 08:04:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:04:46,395 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-07 08:04:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:46,402 INFO L225 Difference]: With dead ends: 767 [2024-11-07 08:04:46,402 INFO L226 Difference]: Without dead ends: 587 [2024-11-07 08:04:46,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-07 08:04:46,404 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 443 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:46,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1016 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 08:04:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-07 08:04:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 509. [2024-11-07 08:04:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 379 states have (on average 1.3007915567282322) internal successors, (493), 382 states have internal predecessors, (493), 120 states have call successors, (120), 9 states have call predecessors, (120), 9 states have return successors, (120), 117 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-07 08:04:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 733 transitions. [2024-11-07 08:04:46,504 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 733 transitions. Word has length 240 [2024-11-07 08:04:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:46,505 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 733 transitions. [2024-11-07 08:04:46,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 733 transitions. [2024-11-07 08:04:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-07 08:04:46,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:46,509 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:46,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 08:04:46,509 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:46,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:46,510 INFO L85 PathProgramCache]: Analyzing trace with hash -41500216, now seen corresponding path program 1 times [2024-11-07 08:04:46,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:46,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530734559] [2024-11-07 08:04:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:46,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 08:04:48,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530734559] [2024-11-07 08:04:48,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530734559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:48,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:48,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:04:48,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482272816] [2024-11-07 08:04:48,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:48,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:04:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:48,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:04:48,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:04:48,804 INFO L87 Difference]: Start difference. First operand 509 states and 733 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:51,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:51,149 INFO L93 Difference]: Finished difference Result 1582 states and 2281 transitions. [2024-11-07 08:04:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:04:51,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2024-11-07 08:04:51,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:51,162 INFO L225 Difference]: With dead ends: 1582 [2024-11-07 08:04:51,162 INFO L226 Difference]: Without dead ends: 1076 [2024-11-07 08:04:51,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:04:51,166 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 506 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:51,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 997 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 08:04:51,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-07 08:04:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 945. [2024-11-07 08:04:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 686 states have (on average 1.284256559766764) internal successors, (881), 692 states have internal predecessors, (881), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 234 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-07 08:04:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1361 transitions. [2024-11-07 08:04:51,329 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1361 transitions. Word has length 241 [2024-11-07 08:04:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:51,330 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1361 transitions. [2024-11-07 08:04:51,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 08:04:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1361 transitions. [2024-11-07 08:04:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-07 08:04:51,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:51,335 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:51,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 08:04:51,336 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:51,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:51,336 INFO L85 PathProgramCache]: Analyzing trace with hash -715540294, now seen corresponding path program 1 times [2024-11-07 08:04:51,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:51,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818164310] [2024-11-07 08:04:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:04:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:04:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:04:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:04:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:04:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 08:04:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:04:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 08:04:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 08:04:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 08:04:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 08:04:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 08:04:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:04:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:04:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:04:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:04:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:04:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:04:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:04:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:04:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:04:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:04:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:04:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:04:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:04:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 08:04:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 08:04:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 08:04:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 08:04:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 08:04:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 08:04:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:04:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 08:04:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:04:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 08:04:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 08:04:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 08:04:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-07 08:04:52,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:52,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818164310] [2024-11-07 08:04:52,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818164310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:04:52,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145497612] [2024-11-07 08:04:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:52,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:52,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:52,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:04:52,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 08:04:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:52,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 08:04:52,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:04:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 358 proven. 204 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2024-11-07 08:04:53,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:04:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-07 08:04:54,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145497612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:04:54,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:04:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 6] total 15 [2024-11-07 08:04:54,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741043248] [2024-11-07 08:04:54,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:04:54,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 08:04:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 08:04:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-07 08:04:54,035 INFO L87 Difference]: Start difference. First operand 945 states and 1361 transitions. Second operand has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-07 08:04:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:55,035 INFO L93 Difference]: Finished difference Result 1983 states and 2797 transitions. [2024-11-07 08:04:55,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 08:04:55,038 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) Word has length 241 [2024-11-07 08:04:55,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:55,051 INFO L225 Difference]: With dead ends: 1983 [2024-11-07 08:04:55,052 INFO L226 Difference]: Without dead ends: 1041 [2024-11-07 08:04:55,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2024-11-07 08:04:55,057 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 144 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:55,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 708 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:04:55,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-11-07 08:04:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 842. [2024-11-07 08:04:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 583 states have (on average 1.2469982847341339) internal successors, (727), 583 states have internal predecessors, (727), 228 states have call successors, (228), 30 states have call predecessors, (228), 30 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-07 08:04:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1183 transitions. [2024-11-07 08:04:55,176 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1183 transitions. Word has length 241 [2024-11-07 08:04:55,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:55,177 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1183 transitions. [2024-11-07 08:04:55,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-07 08:04:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1183 transitions. [2024-11-07 08:04:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-07 08:04:55,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:55,182 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:04:55,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 08:04:55,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:55,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:55,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:55,387 INFO L85 PathProgramCache]: Analyzing trace with hash -387373584, now seen corresponding path program 1 times [2024-11-07 08:04:55,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:55,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934539397] [2024-11-07 08:04:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:55,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 08:04:55,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932496839] [2024-11-07 08:04:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:55,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:04:55,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process