./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.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', '5210195513b04a67efdbde16013e554cd917c380644440c8ab9e15436a32073d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.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 5210195513b04a67efdbde16013e554cd917c380644440c8ab9e15436a32073d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:46:48,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:46:48,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:46:48,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:46:48,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:46:48,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:46:48,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:46:48,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:46:48,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:46:48,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:46:48,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:46:48,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:46:48,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:46:48,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:46:48,520 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:46:48,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:46:48,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:46:48,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:46:48,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:46:48,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:46:48,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:46:48,524 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 -> 5210195513b04a67efdbde16013e554cd917c380644440c8ab9e15436a32073d [2024-11-07 04:46:48,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:46:48,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:46:48,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:46:48,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:46:48,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:46:48,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-07 04:46:50,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:46:50,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:46:50,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-07 04:46:50,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac4e02823/99ad8efe91b249d5985f844bd1cb8b92/FLAG700e96e4a [2024-11-07 04:46:50,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac4e02823/99ad8efe91b249d5985f844bd1cb8b92 [2024-11-07 04:46:50,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:46:50,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:46:50,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:46:50,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:46:50,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:46:50,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403a495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50, skipping insertion in model container [2024-11-07 04:46:50,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:46:50,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i[916,929] [2024-11-07 04:46:50,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:46:50,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:46:50,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i[916,929] [2024-11-07 04:46:50,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:46:50,839 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:46:50,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50 WrapperNode [2024-11-07 04:46:50,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:46:50,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:46:50,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:46:50,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:46:50,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,899 INFO L138 Inliner]: procedures = 26, calls = 66, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 310 [2024-11-07 04:46:50,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:46:50,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:46:50,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:46:50,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:46:50,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,931 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 04:46:50,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:46:50,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:46:50,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:46:50,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:46:50,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (1/1) ... [2024-11-07 04:46:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:46:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:46:50,997 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 04:46:51,003 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 04:46:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:46:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:46:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:46:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:46:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:46:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:46:51,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:46:51,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:46:51,649 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-07 04:46:51,649 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:46:51,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:46:51,661 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:46:51,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:46:51 BoogieIcfgContainer [2024-11-07 04:46:51,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:46:51,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:46:51,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:46:51,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:46:51,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:46:50" (1/3) ... [2024-11-07 04:46:51,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467a3b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:46:51, skipping insertion in model container [2024-11-07 04:46:51,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:46:50" (2/3) ... [2024-11-07 04:46:51,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467a3b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:46:51, skipping insertion in model container [2024-11-07 04:46:51,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:46:51" (3/3) ... [2024-11-07 04:46:51,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-07 04:46:51,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:46:51,687 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:46:51,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:46:51,765 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;@a08b98a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:46:51,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:46:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 84 states have internal predecessors, (120), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-07 04:46:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-07 04:46:51,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:46:51,792 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:51,793 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:46:51,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:46:51,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1521512546, now seen corresponding path program 1 times [2024-11-07 04:46:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:46:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935641939] [2024-11-07 04:46:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:46:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:46:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:47:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:47:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:47:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:47:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:47:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:47:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:47:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:47:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:47:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:47:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:47:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:47:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:47:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:47:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:47:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:47:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:47:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:47:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:47:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:47:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:47:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:47:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:47:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:47:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:47:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:47:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:47:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:47:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:47:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:47:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:47:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:47:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:47:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 04:47:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 04:47:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 04:47:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 04:47:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 04:47:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 04:47:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 04:47:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 04:47:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 04:47:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 04:47:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:47:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:47:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:47:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:47:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:47:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:47:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:47:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:47:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:47:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:47:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-07 04:47:16,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:47:16,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935641939] [2024-11-07 04:47:16,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935641939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:47:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:47:16,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 04:47:16,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459601494] [2024-11-07 04:47:16,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:47:16,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 04:47:16,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:47:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 04:47:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 04:47:16,040 INFO L87 Difference]: Start difference. First operand has 139 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 84 states have internal predecessors, (120), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:47:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:47:17,317 INFO L93 Difference]: Finished difference Result 382 states and 679 transitions. [2024-11-07 04:47:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 04:47:17,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 328 [2024-11-07 04:47:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:47:17,328 INFO L225 Difference]: With dead ends: 382 [2024-11-07 04:47:17,329 INFO L226 Difference]: Without dead ends: 246 [2024-11-07 04:47:17,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:47:17,335 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 193 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 04:47:17,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1383 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 04:47:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-07 04:47:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 181. [2024-11-07 04:47:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 121 states have (on average 1.421487603305785) internal successors, (172), 122 states have internal predecessors, (172), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 04:47:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 286 transitions. [2024-11-07 04:47:17,419 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 286 transitions. Word has length 328 [2024-11-07 04:47:17,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:47:17,425 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 286 transitions. [2024-11-07 04:47:17,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:47:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 286 transitions. [2024-11-07 04:47:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-07 04:47:17,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:47:17,434 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:17,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:47:17,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:47:17,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:47:17,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1519665504, now seen corresponding path program 1 times [2024-11-07 04:47:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:47:17,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522240300] [2024-11-07 04:47:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:47:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:47:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:47:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:47:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:47:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:47:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:47:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:47:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:47:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:47:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:47:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:47:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:47:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:47:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:47:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:47:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:47:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:47:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:47:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:47:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:47:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:47:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:47:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:47:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:47:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:47:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:47:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:47:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:47:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:47:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:47:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:47:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:47:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:47:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:47:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 04:47:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 04:47:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 04:47:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 04:47:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 04:47:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 04:47:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 04:47:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 04:47:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 04:47:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 04:47:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:47:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:47:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:47:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:47:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:47:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:47:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:47:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:47:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:47:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:47:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:47:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-07 04:47:43,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:47:43,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522240300] [2024-11-07 04:47:43,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522240300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:47:43,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:47:43,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 04:47:43,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092319034] [2024-11-07 04:47:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:47:43,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:47:43,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:47:43,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:47:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:47:43,258 INFO L87 Difference]: Start difference. First operand 181 states and 286 transitions. Second operand has 16 states, 16 states have (on average 4.125) internal successors, (66), 16 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:47:47,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:47:47,295 INFO L93 Difference]: Finished difference Result 230 states and 345 transitions. [2024-11-07 04:47:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:47:47,296 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 16 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 328 [2024-11-07 04:47:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:47:47,301 INFO L225 Difference]: With dead ends: 230 [2024-11-07 04:47:47,301 INFO L226 Difference]: Without dead ends: 228 [2024-11-07 04:47:47,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-07 04:47:47,303 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 157 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:47:47,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1637 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 04:47:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-07 04:47:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 181. [2024-11-07 04:47:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 121 states have (on average 1.421487603305785) internal successors, (172), 122 states have internal predecessors, (172), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 04:47:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 286 transitions. [2024-11-07 04:47:47,328 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 286 transitions. Word has length 328 [2024-11-07 04:47:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:47:47,328 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 286 transitions. [2024-11-07 04:47:47,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 16 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:47:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 286 transitions. [2024-11-07 04:47:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-07 04:47:47,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:47:47,333 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:47,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:47:47,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:47:47,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:47:47,334 INFO L85 PathProgramCache]: Analyzing trace with hash -841454176, now seen corresponding path program 1 times [2024-11-07 04:47:47,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:47:47,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947521347] [2024-11-07 04:47:47,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:47:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:47:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:48:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:48:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:48:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:48:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:48:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:48:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:48:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:48:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:48:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:48:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:48:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:48:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:48:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:48:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:48:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:48:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:48:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:48:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:48:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:48:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:48:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:48:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:48:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:48:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:48:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:48:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:48:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:48:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:48:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:48:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:48:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:48:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 04:48:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 04:48:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 04:48:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 04:48:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 04:48:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 04:48:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 04:48:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 04:48:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 04:48:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 04:48:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 04:48:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:48:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:48:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:48:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:48:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 04:48:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:48:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 04:48:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:48:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 04:48:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:48:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:48:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-07 04:48:05,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:48:05,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947521347] [2024-11-07 04:48:05,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947521347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:48:05,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:48:05,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 04:48:05,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834606744] [2024-11-07 04:48:05,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:48:05,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 04:48:05,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:48:05,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 04:48:05,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 04:48:05,787 INFO L87 Difference]: Start difference. First operand 181 states and 286 transitions. Second operand has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:48:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:48:07,031 INFO L93 Difference]: Finished difference Result 246 states and 364 transitions. [2024-11-07 04:48:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 04:48:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 328 [2024-11-07 04:48:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:48:07,035 INFO L225 Difference]: With dead ends: 246 [2024-11-07 04:48:07,035 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 04:48:07,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:48:07,036 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 180 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 04:48:07,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1421 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 04:48:07,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 04:48:07,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 186. [2024-11-07 04:48:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 126 states have (on average 1.4206349206349207) internal successors, (179), 127 states have internal predecessors, (179), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 04:48:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 293 transitions. [2024-11-07 04:48:07,060 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 293 transitions. Word has length 328 [2024-11-07 04:48:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:48:07,061 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 293 transitions. [2024-11-07 04:48:07,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 04:48:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2024-11-07 04:48:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-07 04:48:07,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:48:07,066 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:07,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:48:07,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:48:07,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:48:07,067 INFO L85 PathProgramCache]: Analyzing trace with hash -839607134, now seen corresponding path program 1 times [2024-11-07 04:48:07,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:48:07,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645933315] [2024-11-07 04:48:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:48:07,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:48:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat