./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/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_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/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_31619d21-8402-4f5b-8e20-5fa811d5083a/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 bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:17:57,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:17:57,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:17:57,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:17:57,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:17:57,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:17:57,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:17:57,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:17:57,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:17:57,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:17:57,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:17:57,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:17:57,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:17:57,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:17:57,937 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:17:57,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:17:57,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:17:57,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:17:57,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:17:57,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:17:57,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:17:57,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:17:57,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:17:57,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:17:57,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:17:57,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:17:57,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:17:57,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:17:57,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:17:57,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:17:57,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:17:57,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:17:57,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:17:57,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:17:57,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:17:57,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:17:57,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:17:57,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:17:57,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:17:57,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:17:57,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:17:57,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:17:57,955 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_31619d21-8402-4f5b-8e20-5fa811d5083a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa [2024-11-08 18:17:58,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:17:58,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:17:58,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:17:58,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:17:58,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:17:58,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i Unable to find full path for "g++" [2024-11-08 18:18:00,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:18:01,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:18:01,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-11-08 18:18:01,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/data/40044a543/7aeeeb6acc1d43f6bc2f3cf6024604c9/FLAG756f7e1c0 [2024-11-08 18:18:01,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/data/40044a543/7aeeeb6acc1d43f6bc2f3cf6024604c9 [2024-11-08 18:18:01,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:18:01,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:18:01,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:18:01,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:18:01,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:18:01,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69af723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01, skipping insertion in model container [2024-11-08 18:18:01,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:18:01,463 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_31619d21-8402-4f5b-8e20-5fa811d5083a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i[919,932] [2024-11-08 18:18:01,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:18:01,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:18:01,608 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_31619d21-8402-4f5b-8e20-5fa811d5083a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i[919,932] [2024-11-08 18:18:01,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:18:01,706 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:18:01,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01 WrapperNode [2024-11-08 18:18:01,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:18:01,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:18:01,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:18:01,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:18:01,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,805 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2024-11-08 18:18:01,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:18:01,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:18:01,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:18:01,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:18:01,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,851 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 18:18:01,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:18:01,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:18:01,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:18:01,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:18:01,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (1/1) ... [2024-11-08 18:18:01,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:18:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:18:01,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:18:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31619d21-8402-4f5b-8e20-5fa811d5083a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:18:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:18:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:18:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:18:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:18:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:18:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:18:02,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:18:02,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:18:02,990 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 18:18:02,990 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:18:03,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:18:03,011 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:18:03,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:18:03 BoogieIcfgContainer [2024-11-08 18:18:03,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:18:03,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:18:03,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:18:03,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:18:03,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:18:01" (1/3) ... [2024-11-08 18:18:03,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1537787b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:18:03, skipping insertion in model container [2024-11-08 18:18:03,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:18:01" (2/3) ... [2024-11-08 18:18:03,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1537787b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:18:03, skipping insertion in model container [2024-11-08 18:18:03,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:18:03" (3/3) ... [2024-11-08 18:18:03,029 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-11-08 18:18:03,048 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:18:03,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:18:03,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:18:03,146 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;@4c633696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:18:03,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:18:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 63 states have internal predecessors, (86), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 18:18:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-08 18:18:03,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:03,185 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:03,186 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1213793899, now seen corresponding path program 1 times [2024-11-08 18:18:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263182886] [2024-11-08 18:18:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:18:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:18:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:18:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:18:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:18:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:18:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:18:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:18:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:18:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:18:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:18:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:18:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:18:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:18:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:18:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:18:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:18:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:18:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:18:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:18:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:18:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:18:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:18:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:18:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:18:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:18:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:18:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:18:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:18:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:18:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:18:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:18:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:18:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:18:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:18:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:18:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:18:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:18:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:18:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:18:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:18:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:18:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:18:04,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263182886] [2024-11-08 18:18:04,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263182886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:18:04,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:18:04,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:18:04,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853881168] [2024-11-08 18:18:04,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:18:04,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:18:04,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:18:04,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:18:04,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:18:04,498 INFO L87 Difference]: Start difference. First operand has 106 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 63 states have internal predecessors, (86), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:04,664 INFO L93 Difference]: Finished difference Result 260 states and 476 transitions. [2024-11-08 18:18:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:18:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 254 [2024-11-08 18:18:04,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:04,682 INFO L225 Difference]: With dead ends: 260 [2024-11-08 18:18:04,683 INFO L226 Difference]: Without dead ends: 157 [2024-11-08 18:18:04,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 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 18:18:04,693 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 78 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:04,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 356 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:18:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-08 18:18:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-11-08 18:18:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 95 states have internal predecessors, (128), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 18:18:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 242 transitions. [2024-11-08 18:18:04,797 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 242 transitions. Word has length 254 [2024-11-08 18:18:04,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:04,799 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 242 transitions. [2024-11-08 18:18:04,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2024-11-08 18:18:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-08 18:18:04,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:04,807 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:04,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:18:04,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:04,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:04,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1801309719, now seen corresponding path program 1 times [2024-11-08 18:18:04,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:04,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798119795] [2024-11-08 18:18:04,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:18:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:18:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:18:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:18:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:18:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:18:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:18:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:18:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:18:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:18:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:18:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:18:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:18:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:18:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:18:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:18:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:18:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:18:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:18:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:18:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:18:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:18:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:18:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:18:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:18:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:18:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:18:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:18:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:18:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:18:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:18:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:18:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:18:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:18:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:18:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:18:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:18:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:18:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:18:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:18:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:18:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:18:05,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:18:05,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798119795] [2024-11-08 18:18:05,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798119795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:18:05,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:18:05,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:18:05,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486416097] [2024-11-08 18:18:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:18:05,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:18:05,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:18:05,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:18:05,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:18:05,433 INFO L87 Difference]: Start difference. First operand 154 states and 242 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:05,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:05,592 INFO L93 Difference]: Finished difference Result 450 states and 708 transitions. [2024-11-08 18:18:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:18:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 254 [2024-11-08 18:18:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:05,606 INFO L225 Difference]: With dead ends: 450 [2024-11-08 18:18:05,607 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 18:18:05,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 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 18:18:05,614 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 148 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:05,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 315 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:18:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 18:18:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2024-11-08 18:18:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 178 states have (on average 1.3146067415730338) internal successors, (234), 180 states have internal predecessors, (234), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-08 18:18:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 462 transitions. [2024-11-08 18:18:05,746 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 462 transitions. Word has length 254 [2024-11-08 18:18:05,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:05,749 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 462 transitions. [2024-11-08 18:18:05,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 462 transitions. [2024-11-08 18:18:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:18:05,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:05,764 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:05,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:18:05,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:05,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:05,765 INFO L85 PathProgramCache]: Analyzing trace with hash -716604256, now seen corresponding path program 1 times [2024-11-08 18:18:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:05,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537053992] [2024-11-08 18:18:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:05,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:18:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:18:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:18:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:18:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:18:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:18:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:18:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:18:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:18:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:18:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:18:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:18:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:18:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:18:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:18:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:18:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:18:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:18:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:18:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:18:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:18:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:18:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:18:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:18:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:18:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:18:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:18:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:18:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:18:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:18:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:18:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:18:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:18:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:18:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:18:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:18:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:18:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:18:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:18:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:18:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:18:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:18:33,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:18:33,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537053992] [2024-11-08 18:18:33,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537053992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:18:33,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:18:33,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:18:33,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429507508] [2024-11-08 18:18:33,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:18:33,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:18:33,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:18:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:18:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:18:33,153 INFO L87 Difference]: Start difference. First operand 297 states and 462 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:33,843 INFO L93 Difference]: Finished difference Result 875 states and 1337 transitions. [2024-11-08 18:18:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:18:33,848 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:18:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:33,855 INFO L225 Difference]: With dead ends: 875 [2024-11-08 18:18:33,855 INFO L226 Difference]: Without dead ends: 581 [2024-11-08 18:18:33,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:18:33,858 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 113 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:33,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 408 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:18:33,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-08 18:18:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 475. [2024-11-08 18:18:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 320 states have (on average 1.375) internal successors, (440), 326 states have internal predecessors, (440), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-08 18:18:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 732 transitions. [2024-11-08 18:18:33,995 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 732 transitions. Word has length 255 [2024-11-08 18:18:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:33,996 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 732 transitions. [2024-11-08 18:18:33,997 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 732 transitions. [2024-11-08 18:18:34,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:18:34,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:34,003 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:34,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:18:34,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:34,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash -458438818, now seen corresponding path program 1 times [2024-11-08 18:18:34,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:34,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953317127] [2024-11-08 18:18:34,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:18:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:18:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:18:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:18:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:18:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:18:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:18:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:18:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:18:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:18:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:18:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:18:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:18:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:18:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:18:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:18:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:18:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:18:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:18:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:18:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:18:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:18:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:18:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:18:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:18:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:18:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:18:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:18:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:18:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:18:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:18:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:18:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:18:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:18:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:18:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:18:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:18:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:18:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:18:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:18:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:18:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:18:37,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:18:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953317127] [2024-11-08 18:18:37,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953317127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:18:37,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:18:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:18:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679393094] [2024-11-08 18:18:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:18:37,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:18:37,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:18:37,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:18:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:18:37,680 INFO L87 Difference]: Start difference. First operand 475 states and 732 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:38,328 INFO L93 Difference]: Finished difference Result 1053 states and 1605 transitions. [2024-11-08 18:18:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:18:38,329 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:18:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:38,339 INFO L225 Difference]: With dead ends: 1053 [2024-11-08 18:18:38,339 INFO L226 Difference]: Without dead ends: 581 [2024-11-08 18:18:38,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:18:38,343 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 107 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:38,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 523 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:18:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-08 18:18:38,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 457. [2024-11-08 18:18:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 302 states have (on average 1.3576158940397351) internal successors, (410), 308 states have internal predecessors, (410), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-08 18:18:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 702 transitions. [2024-11-08 18:18:38,479 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 702 transitions. Word has length 255 [2024-11-08 18:18:38,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:38,480 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 702 transitions. [2024-11-08 18:18:38,481 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:18:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 702 transitions. [2024-11-08 18:18:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:18:38,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:38,487 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:38,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:18:38,487 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:38,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:38,488 INFO L85 PathProgramCache]: Analyzing trace with hash -442517784, now seen corresponding path program 1 times [2024-11-08 18:18:38,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:38,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704572390] [2024-11-08 18:18:38,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:38,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:22:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:22:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:22:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:22:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:22:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:22:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:22:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:22:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:22:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:22:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:22:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:22:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:22:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:22:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:22:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:22:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:22:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:22:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:22:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:22:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:22:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:22:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:22:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:22:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:22:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:22:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:22:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:22:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:22:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:22:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:22:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:22:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:22:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:22:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:22:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:22:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:22:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:22:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:22:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:22:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:22:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:22:21,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704572390] [2024-11-08 18:22:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704572390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:21,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:21,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:22:21,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787824331] [2024-11-08 18:22:21,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:21,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:22:21,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:22:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:22:21,451 INFO L87 Difference]: Start difference. First operand 457 states and 702 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:22:26,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 18:22:30,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:30,298 INFO L93 Difference]: Finished difference Result 1137 states and 1696 transitions. [2024-11-08 18:22:30,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:22:30,300 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:22:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:30,309 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 18:22:30,309 INFO L226 Difference]: Without dead ends: 683 [2024-11-08 18:22:30,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:22:30,313 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 289 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:30,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1152 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-08 18:22:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-08 18:22:30,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 620. [2024-11-08 18:22:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 446 states have (on average 1.3632286995515694) internal successors, (608), 457 states have internal predecessors, (608), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 145 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-08 18:22:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 920 transitions. [2024-11-08 18:22:30,555 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 920 transitions. Word has length 255 [2024-11-08 18:22:30,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:30,556 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 920 transitions. [2024-11-08 18:22:30,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:22:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 920 transitions. [2024-11-08 18:22:30,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:22:30,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:30,566 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:30,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:22:30,567 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:22:30,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash 258546794, now seen corresponding path program 1 times [2024-11-08 18:22:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:30,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510037042] [2024-11-08 18:22:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:25:14,503 WARN L286 SmtUtils]: Spent 15.27s on a formula simplification. DAG size of input: 280 DAG size of output: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:27:39,156 WARN L286 SmtUtils]: Spent 14.34s on a formula simplification. DAG size of input: 284 DAG size of output: 210 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:27:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:27:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:27:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:27:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:27:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:27:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:27:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:27:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:27:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:27:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:27:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:27:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:27:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:27:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:27:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:27:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:27:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:27:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:27:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:27:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:27:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:27:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:27:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:27:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:27:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:27:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:27:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:27:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:27:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:27:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:27:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:27:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:27:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:27:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:27:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:27:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:27:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:27:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:27:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:27:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:27:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:27:39,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:39,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510037042] [2024-11-08 18:27:39,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510037042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:39,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:39,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:27:39,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083374904] [2024-11-08 18:27:39,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:39,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:27:39,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:39,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:27:39,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:27:39,497 INFO L87 Difference]: Start difference. First operand 620 states and 920 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:27:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:49,380 INFO L93 Difference]: Finished difference Result 729 states and 1049 transitions. [2024-11-08 18:27:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:27:49,381 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:27:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:49,389 INFO L225 Difference]: With dead ends: 729 [2024-11-08 18:27:49,390 INFO L226 Difference]: Without dead ends: 727 [2024-11-08 18:27:49,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:27:49,392 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 267 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:49,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1305 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 18:27:49,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-08 18:27:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 612. [2024-11-08 18:27:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 438 states have (on average 1.360730593607306) internal successors, (596), 449 states have internal predecessors, (596), 156 states have call successors, (156), 17 states have call predecessors, (156), 17 states have return successors, (156), 145 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-08 18:27:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 908 transitions. [2024-11-08 18:27:49,588 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 908 transitions. Word has length 255 [2024-11-08 18:27:49,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:49,589 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 908 transitions. [2024-11-08 18:27:49,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:27:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 908 transitions. [2024-11-08 18:27:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:27:49,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:49,597 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:49,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:27:49,597 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:49,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:49,598 INFO L85 PathProgramCache]: Analyzing trace with hash -497749538, now seen corresponding path program 1 times [2024-11-08 18:27:49,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:49,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666780790] [2024-11-08 18:27:49,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:28:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:28:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:28:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:28:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:28:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:28:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:28:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:28:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:28:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:28:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:28:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:28:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:28:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:28:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:28:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:28:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:28:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:28:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:28:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:28:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:28:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:28:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:28:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:28:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:28:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:28:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:28:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:28:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:28:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:28:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:28:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:28:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:28:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:28:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:28:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:28:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:28:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:28:05,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:05,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666780790] [2024-11-08 18:28:05,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666780790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:05,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:05,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:05,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42745280] [2024-11-08 18:28:05,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:05,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:28:05,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:05,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:28:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:05,193 INFO L87 Difference]: Start difference. First operand 612 states and 908 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:28:06,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:06,032 INFO L93 Difference]: Finished difference Result 1374 states and 2025 transitions. [2024-11-08 18:28:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:28:06,033 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:28:06,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:06,040 INFO L225 Difference]: With dead ends: 1374 [2024-11-08 18:28:06,040 INFO L226 Difference]: Without dead ends: 773 [2024-11-08 18:28:06,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:06,043 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 118 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:06,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 451 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:28:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-08 18:28:06,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 761. [2024-11-08 18:28:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 533 states have (on average 1.3377110694183865) internal successors, (713), 548 states have internal predecessors, (713), 202 states have call successors, (202), 25 states have call predecessors, (202), 25 states have return successors, (202), 187 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-08 18:28:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1117 transitions. [2024-11-08 18:28:06,294 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1117 transitions. Word has length 255 [2024-11-08 18:28:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:06,295 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 1117 transitions. [2024-11-08 18:28:06,295 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:28:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1117 transitions. [2024-11-08 18:28:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:28:06,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:06,301 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:06,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:28:06,301 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash -239584100, now seen corresponding path program 1 times [2024-11-08 18:28:06,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:06,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883517895] [2024-11-08 18:28:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:28:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:28:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:28:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:28:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:28:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:28:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:28:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:28:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:28:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:28:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:28:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:28:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:28:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:28:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:28:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:28:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:28:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:28:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:28:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:28:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:28:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:28:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:28:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:28:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:28:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:28:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:28:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:28:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:28:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:28:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:28:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:28:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:28:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:28:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:28:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:28:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:28:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:28:08,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:08,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883517895] [2024-11-08 18:28:08,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883517895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:08,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:08,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610293382] [2024-11-08 18:28:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:08,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:28:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:28:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:08,376 INFO L87 Difference]: Start difference. First operand 761 states and 1117 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:28:09,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:09,015 INFO L93 Difference]: Finished difference Result 1530 states and 2229 transitions. [2024-11-08 18:28:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:28:09,016 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:28:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:09,023 INFO L225 Difference]: With dead ends: 1530 [2024-11-08 18:28:09,023 INFO L226 Difference]: Without dead ends: 789 [2024-11-08 18:28:09,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:09,026 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 112 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:09,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 591 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:28:09,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-08 18:28:09,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 665. [2024-11-08 18:28:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 469 states have (on average 1.3326226012793176) internal successors, (625), 480 states have internal predecessors, (625), 170 states have call successors, (170), 25 states have call predecessors, (170), 25 states have return successors, (170), 159 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-08 18:28:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 965 transitions. [2024-11-08 18:28:09,248 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 965 transitions. Word has length 255 [2024-11-08 18:28:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:09,249 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 965 transitions. [2024-11-08 18:28:09,249 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:28:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 965 transitions. [2024-11-08 18:28:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:28:09,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:09,254 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:09,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:28:09,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:09,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:09,255 INFO L85 PathProgramCache]: Analyzing trace with hash -223663066, now seen corresponding path program 1 times [2024-11-08 18:28:09,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:09,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781576053] [2024-11-08 18:28:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:09,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:31:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:31:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:31:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:31:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:31:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:31:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:31:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:31:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:31:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:31:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:31:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:31:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:31:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:31:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:31:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:31:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:31:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:31:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:31:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:31:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:31:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:31:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:31:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:31:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:31:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:31:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 18:31:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:31:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:31:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:31:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:31:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:31:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 18:31:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:31:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:31:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:31:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 18:31:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 18:31:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 18:31:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 18:31:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 18:31:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 18:31:19,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:19,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781576053] [2024-11-08 18:31:19,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781576053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:19,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:19,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:31:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977095898] [2024-11-08 18:31:19,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:19,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:31:19,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:19,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:31:19,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:31:19,814 INFO L87 Difference]: Start difference. First operand 665 states and 965 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:31:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:27,181 INFO L93 Difference]: Finished difference Result 1587 states and 2261 transitions. [2024-11-08 18:31:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:31:27,183 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-08 18:31:27,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:27,191 INFO L225 Difference]: With dead ends: 1587 [2024-11-08 18:31:27,191 INFO L226 Difference]: Without dead ends: 942 [2024-11-08 18:31:27,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:31:27,199 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 333 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:27,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1129 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 18:31:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-08 18:31:27,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 820. [2024-11-08 18:31:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 608 states have (on average 1.3453947368421053) internal successors, (818), 623 states have internal predecessors, (818), 178 states have call successors, (178), 33 states have call predecessors, (178), 33 states have return successors, (178), 163 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-08 18:31:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1174 transitions. [2024-11-08 18:31:27,524 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1174 transitions. Word has length 255 [2024-11-08 18:31:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:27,526 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1174 transitions. [2024-11-08 18:31:27,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-08 18:31:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1174 transitions. [2024-11-08 18:31:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 18:31:27,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:27,529 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:31:27,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:31:27,530 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:27,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:27,531 INFO L85 PathProgramCache]: Analyzing trace with hash 477401512, now seen corresponding path program 1 times [2024-11-08 18:31:27,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:27,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596519911] [2024-11-08 18:31:27,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:27,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat