./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.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-50_file-31.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', '9b08c2d93cd607cadaa62188e226839fc75001045fd36e839e0ccc0eb9851a77'] 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-50_file-31.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 9b08c2d93cd607cadaa62188e226839fc75001045fd36e839e0ccc0eb9851a77 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:33:39,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:33:39,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:33:39,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:33:39,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:33:39,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:33:39,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:33:39,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:33:39,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:33:39,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:33:39,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:33:39,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:33:39,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:33:39,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:33:39,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:33:39,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:33:39,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:33:39,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:33:39,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:33:39,606 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 -> 9b08c2d93cd607cadaa62188e226839fc75001045fd36e839e0ccc0eb9851a77 [2024-11-07 05:33:39,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:33:39,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:33:39,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:33:39,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:33:39,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:33:39,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-07 05:33:41,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:33:41,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:33:41,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-07 05:33:41,462 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44de6e18d/ed1947e35f60485e8140f2731b41e2f7/FLAG9017b6a72 [2024-11-07 05:33:41,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44de6e18d/ed1947e35f60485e8140f2731b41e2f7 [2024-11-07 05:33:41,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:33:41,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:33:41,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:33:41,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:33:41,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:33:41,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:33:41" (1/1) ... [2024-11-07 05:33:41,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0b22cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:41, skipping insertion in model container [2024-11-07 05:33:41,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:33:41" (1/1) ... [2024-11-07 05:33:41,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:33:41,900 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-50_file-31.i[915,928] [2024-11-07 05:33:41,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:33:41,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:33:42,000 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-50_file-31.i[915,928] [2024-11-07 05:33:42,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:33:42,048 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:33:42,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42 WrapperNode [2024-11-07 05:33:42,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:33:42,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:33:42,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:33:42,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:33:42,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,127 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 287 [2024-11-07 05:33:42,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:33:42,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:33:42,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:33:42,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:33:42,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,169 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 05:33:42,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:33:42,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:33:42,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:33:42,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:33:42,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (1/1) ... [2024-11-07 05:33:42,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:33:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:33:42,252 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 05:33:42,258 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 05:33:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:33:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:33:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:33:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:33:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:33:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:33:42,388 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:33:42,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:33:42,847 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 05:33:42,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:33:42,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:33:42,858 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:33:42,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:33:42 BoogieIcfgContainer [2024-11-07 05:33:42,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:33:42,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:33:42,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:33:42,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:33:42,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:33:41" (1/3) ... [2024-11-07 05:33:42,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7828e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:33:42, skipping insertion in model container [2024-11-07 05:33:42,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:33:42" (2/3) ... [2024-11-07 05:33:42,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7828e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:33:42, skipping insertion in model container [2024-11-07 05:33:42,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:33:42" (3/3) ... [2024-11-07 05:33:42,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-07 05:33:42,881 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:33:42,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:33:42,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:33:42,944 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;@5b877f04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:33:42,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:33:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 05:33:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-07 05:33:42,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:33:42,969 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:42,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:33:42,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:33:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash 586496167, now seen corresponding path program 1 times [2024-11-07 05:33:42,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:33:42,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549678858] [2024-11-07 05:33:42,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:33:42,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:33:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:33:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:33:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:33:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:33:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:33:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:33:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:33:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:33:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:33:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:33:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:33:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:33:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:33:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:33:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:33:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:33:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:33:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:33:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:33:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:33:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:33:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:33:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:33:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:33:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:33:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:33:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:33:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:33:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:33:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:33:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:33:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:33:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:33:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:33:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:33:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:33:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:33:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:33:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:33:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:33:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:33:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:33:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:33:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:33:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:33:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:33:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:33:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:33:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 05:33:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 05:33:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 05:33:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 05:33:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 05:33:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 05:33:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:43,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 05:33:43,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:33:43,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549678858] [2024-11-07 05:33:43,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549678858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:33:43,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:33:43,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:33:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871544439] [2024-11-07 05:33:43,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:33:43,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:33:43,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:33:43,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:33:43,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:33:43,757 INFO L87 Difference]: Start difference. First operand has 130 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 05:33:43,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:33:43,810 INFO L93 Difference]: Finished difference Result 253 states and 464 transitions. [2024-11-07 05:33:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:33:43,829 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 324 [2024-11-07 05:33:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:33:43,842 INFO L225 Difference]: With dead ends: 253 [2024-11-07 05:33:43,842 INFO L226 Difference]: Without dead ends: 126 [2024-11-07 05:33:43,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:33:43,852 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:33:43,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:33:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-07 05:33:43,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-07 05:33:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 70 states have internal predecessors, (93), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 05:33:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 201 transitions. [2024-11-07 05:33:43,911 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 201 transitions. Word has length 324 [2024-11-07 05:33:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:33:43,911 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 201 transitions. [2024-11-07 05:33:43,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 05:33:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2024-11-07 05:33:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-07 05:33:43,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:33:43,920 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:43,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:33:43,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:33:43,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:33:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1175332395, now seen corresponding path program 1 times [2024-11-07 05:33:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:33:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530668424] [2024-11-07 05:33:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:33:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:33:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:33:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:33:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:33:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:33:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:33:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:33:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:33:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:33:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:33:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:33:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:33:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:33:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:33:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:33:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:33:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:33:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:33:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:33:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:33:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:33:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:33:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:33:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:33:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:33:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:33:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:33:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:33:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:33:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:33:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:33:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:33:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:33:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:33:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:33:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:33:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:33:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:33:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:33:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:33:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:33:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:33:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:33:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:33:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:33:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:33:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:33:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:33:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:33:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 05:33:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 05:33:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 05:33:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 05:33:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 05:33:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 05:33:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 05:33:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:33:44,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530668424] [2024-11-07 05:33:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530668424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:33:44,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:33:44,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:33:44,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771508575] [2024-11-07 05:33:44,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:33:44,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:33:44,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:33:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:33:44,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:33:44,411 INFO L87 Difference]: Start difference. First operand 126 states and 201 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 05:33:44,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:33:44,519 INFO L93 Difference]: Finished difference Result 371 states and 595 transitions. [2024-11-07 05:33:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:33:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 324 [2024-11-07 05:33:44,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:33:44,526 INFO L225 Difference]: With dead ends: 371 [2024-11-07 05:33:44,527 INFO L226 Difference]: Without dead ends: 248 [2024-11-07 05:33:44,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 05:33:44,530 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 189 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:33:44,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 575 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:33:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-07 05:33:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 130. [2024-11-07 05:33:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 05:33:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 206 transitions. [2024-11-07 05:33:44,589 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 206 transitions. Word has length 324 [2024-11-07 05:33:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:33:44,593 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 206 transitions. [2024-11-07 05:33:44,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 05:33:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 206 transitions. [2024-11-07 05:33:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-07 05:33:44,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:33:44,600 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:44,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:33:44,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:33:44,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:33:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash 365985769, now seen corresponding path program 1 times [2024-11-07 05:33:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:33:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945775063] [2024-11-07 05:33:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:33:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:33:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:33:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:33:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:33:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:33:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:33:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:33:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:33:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:33:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:33:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:33:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:33:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:33:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:33:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:33:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:33:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:33:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:33:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:33:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:33:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:33:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:33:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:33:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:33:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:33:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:33:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:33:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:33:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:33:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:33:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:33:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:33:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:33:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:33:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:33:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:33:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:33:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:33:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:33:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:33:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:33:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:33:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:33:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:33:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:33:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:33:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:33:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:33:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:33:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 05:33:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 05:33:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 05:33:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 05:33:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 05:33:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 05:33:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:33:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 05:33:45,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:33:45,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945775063] [2024-11-07 05:33:45,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945775063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:33:45,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:33:45,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:33:45,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266508578] [2024-11-07 05:33:45,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:33:45,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:33:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:33:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:33:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:33:45,617 INFO L87 Difference]: Start difference. First operand 130 states and 206 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 05:33:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:33:45,878 INFO L93 Difference]: Finished difference Result 385 states and 614 transitions. [2024-11-07 05:33:45,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:33:45,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 324 [2024-11-07 05:33:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:33:45,886 INFO L225 Difference]: With dead ends: 385 [2024-11-07 05:33:45,887 INFO L226 Difference]: Without dead ends: 258 [2024-11-07 05:33:45,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 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 05:33:45,889 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 107 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:33:45,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 477 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:33:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-07 05:33:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2024-11-07 05:33:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 144 states have (on average 1.3263888888888888) internal successors, (191), 144 states have internal predecessors, (191), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 05:33:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 407 transitions. [2024-11-07 05:33:45,951 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 407 transitions. Word has length 324 [2024-11-07 05:33:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:33:45,952 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 407 transitions. [2024-11-07 05:33:45,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 05:33:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 407 transitions. [2024-11-07 05:33:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-07 05:33:45,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:33:45,959 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:45,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:33:45,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:33:45,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:33:45,960 INFO L85 PathProgramCache]: Analyzing trace with hash -913877909, now seen corresponding path program 1 times [2024-11-07 05:33:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:33:45,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585910338] [2024-11-07 05:33:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:33:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:33:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat