./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd --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 25397797dfc35333634a0be2aab10e78ef32d1e201aaa39bb0855cdf971464ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:40:31,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:40:31,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:40:31,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:40:31,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:40:31,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:40:31,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:40:31,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:40:32,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:40:32,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:40:32,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:40:32,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:40:32,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:40:32,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:40:32,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:40:32,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:40:32,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:40:32,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:40:32,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:40:32,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:40:32,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:40:32,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:40:32,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:40:32,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:40:32,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:40:32,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:40:32,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:40:32,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:40:32,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:40:32,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:40:32,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:40:32,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:32,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:40:32,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:40:32,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:40:32,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:40:32,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:40:32,006 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 25397797dfc35333634a0be2aab10e78ef32d1e201aaa39bb0855cdf971464ab [2024-11-13 13:40:32,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:40:32,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:40:32,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:40:32,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:40:32,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:40:32,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i Unable to find full path for "g++" [2024-11-13 13:40:34,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:40:35,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:40:35,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i [2024-11-13 13:40:35,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/data/5a64959ba/3cf43e0f178f4b67b7418bf61d182b7e/FLAG49f60c959 [2024-11-13 13:40:35,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/data/5a64959ba/3cf43e0f178f4b67b7418bf61d182b7e [2024-11-13 13:40:35,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:40:35,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:40:35,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:35,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:40:35,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:40:35,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:35,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518ebc4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35, skipping insertion in model container [2024-11-13 13:40:35,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:35,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:40:35,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i[915,928] [2024-11-13 13:40:35,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:35,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:40:35,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i[915,928] [2024-11-13 13:40:35,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:35,977 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:40:35,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35 WrapperNode [2024-11-13 13:40:35,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:35,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:35,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:40:35,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:40:35,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,039 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-11-13 13:40:36,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:36,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:40:36,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:40:36,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:40:36,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,076 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]. [2024-11-13 13:40:36,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:40:36,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:40:36,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:40:36,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:40:36,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (1/1) ... [2024-11-13 13:40:36,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:36,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca78743c-4193-41b3-b92c-709fa32ce91f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:40:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:40:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:40:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:40:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:40:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:40:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:40:36,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:40:36,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:40:36,955 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 13:40:36,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:40:36,980 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:40:36,980 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:40:36,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:36 BoogieIcfgContainer [2024-11-13 13:40:36,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:40:36,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:40:36,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:40:36,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:40:36,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:40:35" (1/3) ... [2024-11-13 13:40:36,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c6f02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:36, skipping insertion in model container [2024-11-13 13:40:36,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:35" (2/3) ... [2024-11-13 13:40:36,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c6f02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:36, skipping insertion in model container [2024-11-13 13:40:36,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:36" (3/3) ... [2024-11-13 13:40:36,994 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-64.i [2024-11-13 13:40:37,015 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:40:37,018 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-64.i that has 2 procedures, 106 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:40:37,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:40:37,127 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;@77faf945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:40:37,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:40:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 13:40:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-13 13:40:37,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:37,166 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:37,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:40:37,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash 287274225, now seen corresponding path program 1 times [2024-11-13 13:40:37,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:37,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389552545] [2024-11-13 13:40:37,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:40:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:40:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:40:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:40:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:40:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:40:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:40:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:40:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:40:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:40:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:40:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:40:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:40:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:40:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:40:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:40:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:40:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:40:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:40:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:40:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:40:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 13:40:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 13:40:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 13:40:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 13:40:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 13:40:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 13:40:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 13:40:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:40:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 13:40:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 13:40:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 13:40:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 13:40:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 13:40:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 13:40:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-13 13:40:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 13:40:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-13 13:40:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-13 13:40:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-13 13:40:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-13 13:40:38,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:38,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389552545] [2024-11-13 13:40:38,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389552545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:38,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:38,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:38,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469316940] [2024-11-13 13:40:38,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:38,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:40:38,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:40:38,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:40:38,234 INFO L87 Difference]: Start difference. First operand has 106 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-13 13:40:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:38,311 INFO L93 Difference]: Finished difference Result 205 states and 366 transitions. [2024-11-13 13:40:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:40:38,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 247 [2024-11-13 13:40:38,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:38,327 INFO L225 Difference]: With dead ends: 205 [2024-11-13 13:40:38,328 INFO L226 Difference]: Without dead ends: 102 [2024-11-13 13:40:38,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:40:38,344 INFO L432 NwaCegarLoop]: 158 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, 158 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 [2024-11-13 13:40:38,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-13 13:40:38,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-13 13:40:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 13:40:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-13 13:40:38,411 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 247 [2024-11-13 13:40:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:38,412 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-13 13:40:38,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-13 13:40:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-13 13:40:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-13 13:40:38,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:38,419 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:38,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:40:38,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:40:38,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:38,421 INFO L85 PathProgramCache]: Analyzing trace with hash 222569517, now seen corresponding path program 1 times [2024-11-13 13:40:38,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:38,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954192926] [2024-11-13 13:40:38,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:38,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:40:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:40:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:40:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:40:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:40:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:40:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:40:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:40:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:40:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:40:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:40:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:40:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:40:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:40:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:40:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:40:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:40:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:40:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:40:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:40:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:40:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 13:40:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 13:40:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 13:40:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 13:40:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 13:40:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 13:40:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 13:40:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:40:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 13:40:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 13:40:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 13:40:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 13:40:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 13:40:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 13:40:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-13 13:40:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 13:40:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-13 13:40:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-13 13:40:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-13 13:40:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-13 13:40:44,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954192926] [2024-11-13 13:40:44,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954192926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:40:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013838911] [2024-11-13 13:40:44,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:44,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:44,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:44,818 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-13 13:40:45,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:45,607 INFO L93 Difference]: Finished difference Result 295 states and 458 transitions. [2024-11-13 13:40:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:45,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-13 13:40:45,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:45,618 INFO L225 Difference]: With dead ends: 295 [2024-11-13 13:40:45,618 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 13:40:45,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:40:45,623 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 159 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:45,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 875 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:40:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 13:40:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 106. [2024-11-13 13:40:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 13:40:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 164 transitions. [2024-11-13 13:40:45,670 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 164 transitions. Word has length 247 [2024-11-13 13:40:45,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:45,672 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 164 transitions. [2024-11-13 13:40:45,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-13 13:40:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2024-11-13 13:40:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-13 13:40:45,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:45,680 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:45,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:40:45,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:40:45,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1103930133, now seen corresponding path program 1 times [2024-11-13 13:40:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:45,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982523845] [2024-11-13 13:40:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:40:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:40:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:40:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:40:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:40:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:40:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:40:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:40:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:40:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:40:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:40:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:40:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:40:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:40:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:40:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:40:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:40:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:40:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:40:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:40:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:40:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 13:40:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 13:40:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 13:40:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 13:40:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 13:40:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 13:40:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 13:40:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:40:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 13:40:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 13:40:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 13:40:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 13:40:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 13:40:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 13:40:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-13 13:40:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 13:40:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-13 13:40:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-13 13:40:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-13 13:40:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-13 13:40:49,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:49,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982523845] [2024-11-13 13:40:49,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982523845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:49,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:49,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:40:49,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442891353] [2024-11-13 13:40:49,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:49,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:49,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:49,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:49,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:49,288 INFO L87 Difference]: Start difference. First operand 106 states and 164 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-13 13:40:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:50,274 INFO L93 Difference]: Finished difference Result 375 states and 583 transitions. [2024-11-13 13:40:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:50,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-13 13:40:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:50,283 INFO L225 Difference]: With dead ends: 375 [2024-11-13 13:40:50,283 INFO L226 Difference]: Without dead ends: 272 [2024-11-13 13:40:50,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:40:50,289 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 200 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:50,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 750 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:40:50,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-13 13:40:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 102. [2024-11-13 13:40:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 60 states have internal predecessors, (77), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 13:40:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 157 transitions. [2024-11-13 13:40:50,325 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 157 transitions. Word has length 247 [2024-11-13 13:40:50,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:50,327 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 157 transitions. [2024-11-13 13:40:50,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-13 13:40:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2024-11-13 13:40:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-13 13:40:50,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:50,332 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:50,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:40:50,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:40:50,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:50,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1407512184, now seen corresponding path program 1 times [2024-11-13 13:40:50,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:50,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099207794] [2024-11-13 13:40:50,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:26,565 WARN L286 SmtUtils]: Spent 25.89s on a formula simplification. DAG size of input: 223 DAG size of output: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 13:52:22,230 WARN L286 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 237 DAG size of output: 223 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 13:54:59,297 WARN L286 SmtUtils]: Spent 54.05s on a formula simplification. DAG size of input: 182 DAG size of output: 168 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 13:54:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:54:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:54:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:54:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:54:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:54:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:54:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:54:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:54:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:54:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:54:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:54:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:54:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:54:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:54:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:54:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:54:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:54:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:54:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:54:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:54:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:54:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 13:54:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 13:54:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 13:54:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 13:54:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 13:54:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 13:54:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 13:54:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:54:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 13:54:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 13:54:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 13:54:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 13:54:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 13:54:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 13:54:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-13 13:54:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 13:54:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-13 13:54:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-13 13:54:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-13 13:54:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-13 13:55:00,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:00,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099207794] [2024-11-13 13:55:00,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099207794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:55:00,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:55:00,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:55:00,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303398846] [2024-11-13 13:55:00,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:55:00,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:55:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:00,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:55:00,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:55:00,043 INFO L87 Difference]: Start difference. First operand 102 states and 157 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-13 13:55:26,087 WARN L286 SmtUtils]: Spent 19.85s on a formula simplification. DAG size of input: 244 DAG size of output: 222 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)