./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX --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 ca686f9256f657bcea08227d4780b5c57890ba4844680a923775ba3d19048603 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:31:09,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:31:09,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:31:09,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:31:09,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:31:10,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:31:10,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:31:10,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:31:10,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:31:10,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:31:10,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:31:10,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:31:10,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:31:10,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:31:10,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:31:10,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:31:10,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:31:10,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:31:10,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:31:10,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:31:10,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:31:10,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:31:10,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:31:10,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:31:10,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:31:10,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:31:10,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:31:10,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:31:10,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:31:10,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:31:10,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:31:10,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:31:10,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:31:10,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:31:10,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:31:10,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:31:10,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:31:10,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:31:10,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:31:10,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:31:10,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:31:10,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:31:10,048 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca686f9256f657bcea08227d4780b5c57890ba4844680a923775ba3d19048603 [2024-11-08 17:31:10,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:31:10,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:31:10,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:31:10,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:31:10,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:31:10,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i Unable to find full path for "g++" [2024-11-08 17:31:12,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:31:12,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:31:12,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i [2024-11-08 17:31:12,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/data/49478082f/82767e5025c44bd984ca6e50ae81abd0/FLAG8599f8197 [2024-11-08 17:31:12,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/data/49478082f/82767e5025c44bd984ca6e50ae81abd0 [2024-11-08 17:31:12,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:31:12,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:31:12,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:31:12,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:31:12,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:31:12,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:31:12" (1/1) ... [2024-11-08 17:31:12,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422aeacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:12, skipping insertion in model container [2024-11-08 17:31:12,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:31:12" (1/1) ... [2024-11-08 17:31:12,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:31:13,259 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_14acb180-03c7-463d-8c14-c8ea22c5f283/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i[919,932] [2024-11-08 17:31:13,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:31:13,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:31:13,403 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_14acb180-03c7-463d-8c14-c8ea22c5f283/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i[919,932] [2024-11-08 17:31:13,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:31:13,492 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:31:13,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13 WrapperNode [2024-11-08 17:31:13,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:31:13,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:31:13,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:31:13,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:31:13,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,589 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-08 17:31:13,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:31:13,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:31:13,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:31:13,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:31:13,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,651 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]. [2024-11-08 17:31:13,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:31:13,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:31:13,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:31:13,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:31:13,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (1/1) ... [2024-11-08 17:31:13,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:31:13,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:31:13,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:31:13,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14acb180-03c7-463d-8c14-c8ea22c5f283/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:31:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:31:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:31:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:31:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:31:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:31:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:31:13,915 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:31:13,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:31:14,620 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:31:14,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:31:14,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:31:14,646 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:31:14,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:31:14 BoogieIcfgContainer [2024-11-08 17:31:14,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:31:14,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:31:14,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:31:14,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:31:14,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:31:12" (1/3) ... [2024-11-08 17:31:14,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7959835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:31:14, skipping insertion in model container [2024-11-08 17:31:14,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:31:13" (2/3) ... [2024-11-08 17:31:14,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7959835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:31:14, skipping insertion in model container [2024-11-08 17:31:14,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:31:14" (3/3) ... [2024-11-08 17:31:14,661 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i [2024-11-08 17:31:14,685 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:31:14,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:31:14,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:31:14,783 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;@664a4ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:31:14,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:31:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:31:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-08 17:31:14,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:14,821 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:14,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:14,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash 596918412, now seen corresponding path program 1 times [2024-11-08 17:31:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070945725] [2024-11-08 17:31:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:31:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:31:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:31:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:31:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:31:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:31:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:31:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:31:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:31:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:31:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:31:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:31:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:31:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:31:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:31:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:31:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:31:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:31:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:31:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:31:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:31:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:31:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:31:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:31:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:31:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:31:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:31:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:31:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 17:31:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 17:31:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 17:31:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 17:31:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 17:31:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 17:31:15,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:15,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070945725] [2024-11-08 17:31:15,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070945725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:31:15,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:31:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:31:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678939149] [2024-11-08 17:31:15,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:31:15,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:31:15,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:31:15,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:31:15,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:31:15,616 INFO L87 Difference]: Start difference. First operand has 104 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 17:31:15,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:31:15,666 INFO L93 Difference]: Finished difference Result 201 states and 355 transitions. [2024-11-08 17:31:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:31:15,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 211 [2024-11-08 17:31:15,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:31:15,686 INFO L225 Difference]: With dead ends: 201 [2024-11-08 17:31:15,687 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 17:31:15,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:31:15,700 INFO L432 NwaCegarLoop]: 156 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, 156 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 [2024-11-08 17:31:15,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:31:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 17:31:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-08 17:31:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 17:31:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 156 transitions. [2024-11-08 17:31:15,796 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 156 transitions. Word has length 211 [2024-11-08 17:31:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:31:15,797 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 156 transitions. [2024-11-08 17:31:15,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 17:31:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 156 transitions. [2024-11-08 17:31:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-08 17:31:15,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:15,804 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:15,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:31:15,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:15,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash -210703158, now seen corresponding path program 1 times [2024-11-08 17:31:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:15,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828336045] [2024-11-08 17:31:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:15,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:31:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:31:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:31:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:31:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:31:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:31:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:31:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:31:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:31:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:31:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:31:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:31:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:31:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:31:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:31:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:31:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:31:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:31:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:31:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:31:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:31:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:31:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:31:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:31:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:31:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:31:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:31:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:31:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 17:31:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 17:31:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 17:31:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 17:31:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 17:31:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 17:31:17,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:17,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828336045] [2024-11-08 17:31:17,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828336045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:31:17,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:31:17,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:31:17,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386118153] [2024-11-08 17:31:17,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:31:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:31:17,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:31:17,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:31:17,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:31:17,514 INFO L87 Difference]: Start difference. First operand 100 states and 156 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:17,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:31:17,937 INFO L93 Difference]: Finished difference Result 294 states and 462 transitions. [2024-11-08 17:31:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:31:17,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-11-08 17:31:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:31:17,946 INFO L225 Difference]: With dead ends: 294 [2024-11-08 17:31:17,946 INFO L226 Difference]: Without dead ends: 197 [2024-11-08 17:31:17,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:31:17,953 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 94 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:31:17,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 230 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:31:17,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-08 17:31:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 195. [2024-11-08 17:31:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.3650793650793651) internal successors, (172), 126 states have internal predecessors, (172), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 17:31:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 304 transitions. [2024-11-08 17:31:18,050 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 304 transitions. Word has length 211 [2024-11-08 17:31:18,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:31:18,056 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 304 transitions. [2024-11-08 17:31:18,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 304 transitions. [2024-11-08 17:31:18,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 17:31:18,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:18,069 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:18,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:31:18,070 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:18,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:18,071 INFO L85 PathProgramCache]: Analyzing trace with hash 932664269, now seen corresponding path program 1 times [2024-11-08 17:31:18,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:18,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030679023] [2024-11-08 17:31:18,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:18,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:31:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:31:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:31:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:31:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:31:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:31:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:31:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:31:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:31:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:31:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:31:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:31:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:31:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:31:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:31:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:31:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:31:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:31:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:31:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:31:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:31:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:31:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:31:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:31:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:31:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:31:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:31:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:31:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 17:31:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 17:31:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 17:31:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 17:31:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 17:31:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 17:31:19,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:19,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030679023] [2024-11-08 17:31:19,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030679023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:31:19,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:31:19,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:31:19,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107160930] [2024-11-08 17:31:19,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:31:19,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:31:19,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:31:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:31:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:31:19,276 INFO L87 Difference]: Start difference. First operand 195 states and 304 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:19,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:31:19,543 INFO L93 Difference]: Finished difference Result 462 states and 721 transitions. [2024-11-08 17:31:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:31:19,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-08 17:31:19,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:31:19,551 INFO L225 Difference]: With dead ends: 462 [2024-11-08 17:31:19,551 INFO L226 Difference]: Without dead ends: 270 [2024-11-08 17:31:19,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:31:19,554 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 54 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:31:19,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 257 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:31:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-08 17:31:19,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 261. [2024-11-08 17:31:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 158 states have (on average 1.3164556962025316) internal successors, (208), 158 states have internal predecessors, (208), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-08 17:31:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 406 transitions. [2024-11-08 17:31:19,646 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 406 transitions. Word has length 213 [2024-11-08 17:31:19,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:31:19,647 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 406 transitions. [2024-11-08 17:31:19,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 406 transitions. [2024-11-08 17:31:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 17:31:19,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:19,658 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:19,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:31:19,658 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:19,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:19,659 INFO L85 PathProgramCache]: Analyzing trace with hash -552132048, now seen corresponding path program 1 times [2024-11-08 17:31:19,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:19,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342040112] [2024-11-08 17:31:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:31:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:31:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:31:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:31:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:31:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:31:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:31:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:31:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:31:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:31:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:31:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:31:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:31:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:31:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:31:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:31:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:31:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:31:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:31:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:31:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:31:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:31:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:31:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:31:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:31:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:31:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:31:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:31:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 17:31:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 17:31:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 17:31:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 17:31:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 17:31:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 17:31:20,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:20,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342040112] [2024-11-08 17:31:20,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342040112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:31:20,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:31:20,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:31:20,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287106083] [2024-11-08 17:31:20,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:31:20,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:31:20,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:31:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:31:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:31:20,361 INFO L87 Difference]: Start difference. First operand 261 states and 406 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:31:20,603 INFO L93 Difference]: Finished difference Result 456 states and 710 transitions. [2024-11-08 17:31:20,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:31:20,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-08 17:31:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:31:20,608 INFO L225 Difference]: With dead ends: 456 [2024-11-08 17:31:20,611 INFO L226 Difference]: Without dead ends: 264 [2024-11-08 17:31:20,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:31:20,617 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 88 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:31:20,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:31:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-08 17:31:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2024-11-08 17:31:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 159 states have (on average 1.3144654088050314) internal successors, (209), 159 states have internal predecessors, (209), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-08 17:31:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 407 transitions. [2024-11-08 17:31:20,703 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 407 transitions. Word has length 215 [2024-11-08 17:31:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:31:20,705 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 407 transitions. [2024-11-08 17:31:20,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 407 transitions. [2024-11-08 17:31:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 17:31:20,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:20,711 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:20,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:31:20,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:20,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:20,712 INFO L85 PathProgramCache]: Analyzing trace with hash 667854902, now seen corresponding path program 1 times [2024-11-08 17:31:20,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:20,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99260703] [2024-11-08 17:31:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:31:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:31:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:31:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:31:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:31:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:31:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:31:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:31:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:31:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:31:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:31:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:31:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:31:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:31:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:31:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:31:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:31:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:31:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:31:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:31:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:31:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:31:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:31:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:31:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:31:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:31:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:31:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:31:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 17:31:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 17:31:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 17:31:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 17:31:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 17:31:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 17:31:25,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:25,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99260703] [2024-11-08 17:31:25,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99260703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:31:25,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:31:25,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:31:25,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384062953] [2024-11-08 17:31:25,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:31:25,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:31:25,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:31:25,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:31:25,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:31:25,517 INFO L87 Difference]: Start difference. First operand 262 states and 407 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:31:27,478 INFO L93 Difference]: Finished difference Result 611 states and 943 transitions. [2024-11-08 17:31:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:31:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-08 17:31:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:31:27,500 INFO L225 Difference]: With dead ends: 611 [2024-11-08 17:31:27,503 INFO L226 Difference]: Without dead ends: 418 [2024-11-08 17:31:27,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:31:27,506 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 309 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:31:27,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 575 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:31:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-08 17:31:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 398. [2024-11-08 17:31:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 240 states have (on average 1.3) internal successors, (312), 241 states have internal predecessors, (312), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-08 17:31:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 616 transitions. [2024-11-08 17:31:27,636 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 616 transitions. Word has length 215 [2024-11-08 17:31:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:31:27,640 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 616 transitions. [2024-11-08 17:31:27,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 17:31:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 616 transitions. [2024-11-08 17:31:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 17:31:27,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:31:27,645 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:31:27,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:31:27,645 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:31:27,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:31:27,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1852105032, now seen corresponding path program 1 times [2024-11-08 17:31:27,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:31:27,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907239611] [2024-11-08 17:31:27,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:31:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:31:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat