./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/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 a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:24:15,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:24:15,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:24:15,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:24:15,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:24:15,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:24:15,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:24:15,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:24:15,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:24:15,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:24:15,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:24:15,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:24:15,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:24:15,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:24:15,814 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:24:15,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:24:15,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:24:15,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:24:15,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:24:15,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:24:15,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:24:15,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:24:15,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:24:15,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:24:15,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:24:15,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:24:15,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:24:15,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:24:15,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:24:15,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:24:15,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:24:15,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:24:15,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:24:15,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:24:15,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:24:15,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:24:15,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:24:15,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:24:15,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:24:15,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:24:15,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:24:15,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:24:15,830 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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 [2024-11-08 12:24:16,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:24:16,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:24:16,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:24:16,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:24:16,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:24:16,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i Unable to find full path for "g++" [2024-11-08 12:24:18,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:24:18,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:24:18,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2024-11-08 12:24:18,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/data/fb99b5f0b/3938c83da49c4d819101aa1789663099/FLAGab9816341 [2024-11-08 12:24:18,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/data/fb99b5f0b/3938c83da49c4d819101aa1789663099 [2024-11-08 12:24:18,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:24:18,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:24:18,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:24:18,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:24:18,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:24:18,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:18" (1/1) ... [2024-11-08 12:24:18,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db8a668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:18, skipping insertion in model container [2024-11-08 12:24:18,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:18" (1/1) ... [2024-11-08 12:24:18,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:24:19,196 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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2024-11-08 12:24:19,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:24:19,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:24:19,305 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_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2024-11-08 12:24:19,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:24:19,409 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:24:19,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19 WrapperNode [2024-11-08 12:24:19,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:24:19,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:24:19,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:24:19,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:24:19,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,499 INFO L138 Inliner]: procedures = 27, calls = 174, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-08 12:24:19,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:24:19,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:24:19,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:24:19,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:24:19,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,560 INFO L175 MemorySlicer]: Split 140 memory accesses to 2 slices as follows [2, 138]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-11-08 12:24:19,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:24:19,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:24:19,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:24:19,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:24:19,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (1/1) ... [2024-11-08 12:24:19,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:24:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:24:19,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 12:24:19,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 12:24:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:24:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 12:24:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 12:24:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 12:24:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 12:24:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 12:24:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 12:24:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 12:24:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 12:24:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 12:24:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 12:24:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:24:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:24:19,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:24:19,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:24:20,773 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-08 12:24:20,775 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:24:20,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:24:20,804 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 12:24:20,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:20 BoogieIcfgContainer [2024-11-08 12:24:20,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:24:20,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:24:20,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:24:20,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:24:20,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:24:18" (1/3) ... [2024-11-08 12:24:20,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e1cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:20, skipping insertion in model container [2024-11-08 12:24:20,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:19" (2/3) ... [2024-11-08 12:24:20,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e1cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:20, skipping insertion in model container [2024-11-08 12:24:20,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:20" (3/3) ... [2024-11-08 12:24:20,815 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-85.i [2024-11-08 12:24:20,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:24:20,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:24:20,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:24:20,932 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;@5862ab9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:24:20,932 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:24:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 12:24:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-08 12:24:20,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:20,957 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:20,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:20,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash 561350885, now seen corresponding path program 1 times [2024-11-08 12:24:20,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:20,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682340411] [2024-11-08 12:24:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:20,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:21,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682340411] [2024-11-08 12:24:21,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682340411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:21,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:21,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:24:21,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164645035] [2024-11-08 12:24:21,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:21,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:24:21,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:21,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:24:21,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:24:21,642 INFO L87 Difference]: Start difference. First operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:21,684 INFO L93 Difference]: Finished difference Result 255 states and 399 transitions. [2024-11-08 12:24:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:24:21,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-08 12:24:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:21,696 INFO L225 Difference]: With dead ends: 255 [2024-11-08 12:24:21,696 INFO L226 Difference]: Without dead ends: 127 [2024-11-08 12:24:21,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:24:21,705 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:21,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:24:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-08 12:24:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-08 12:24:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 12:24:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-08 12:24:21,768 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 179 [2024-11-08 12:24:21,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:21,768 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-08 12:24:21,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-08 12:24:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-08 12:24:21,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:21,775 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:21,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:24:21,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:21,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 700859511, now seen corresponding path program 1 times [2024-11-08 12:24:21,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:21,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471073420] [2024-11-08 12:24:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:23,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:23,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471073420] [2024-11-08 12:24:23,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471073420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:23,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:23,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:24:23,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213720589] [2024-11-08 12:24:23,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:23,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:24:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:24:23,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:24:23,464 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:24,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:24,113 INFO L93 Difference]: Finished difference Result 377 states and 548 transitions. [2024-11-08 12:24:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:24,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 179 [2024-11-08 12:24:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:24,118 INFO L225 Difference]: With dead ends: 377 [2024-11-08 12:24:24,118 INFO L226 Difference]: Without dead ends: 253 [2024-11-08 12:24:24,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:24,121 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 154 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:24,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 695 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 12:24:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-08 12:24:24,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 141. [2024-11-08 12:24:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 116 states have (on average 1.3706896551724137) internal successors, (159), 116 states have internal predecessors, (159), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 12:24:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 205 transitions. [2024-11-08 12:24:24,155 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 205 transitions. Word has length 179 [2024-11-08 12:24:24,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:24,157 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 205 transitions. [2024-11-08 12:24:24,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 205 transitions. [2024-11-08 12:24:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-08 12:24:24,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:24,168 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:24,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:24:24,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:24,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1905164043, now seen corresponding path program 1 times [2024-11-08 12:24:24,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:24,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003965177] [2024-11-08 12:24:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:27,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003965177] [2024-11-08 12:24:27,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003965177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:27,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:27,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:24:27,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937759292] [2024-11-08 12:24:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:24:27,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:27,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:24:27,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:27,606 INFO L87 Difference]: Start difference. First operand 141 states and 205 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:29,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:29,153 INFO L93 Difference]: Finished difference Result 536 states and 779 transitions. [2024-11-08 12:24:29,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:24:29,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-08 12:24:29,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:29,158 INFO L225 Difference]: With dead ends: 536 [2024-11-08 12:24:29,158 INFO L226 Difference]: Without dead ends: 398 [2024-11-08 12:24:29,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:24:29,160 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 269 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:29,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 639 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 12:24:29,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-08 12:24:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 227. [2024-11-08 12:24:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.407035175879397) internal successors, (280), 200 states have internal predecessors, (280), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 330 transitions. [2024-11-08 12:24:29,186 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 330 transitions. Word has length 179 [2024-11-08 12:24:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:29,187 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 330 transitions. [2024-11-08 12:24:29,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2024-11-08 12:24:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:29,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:29,191 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:29,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:24:29,191 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:29,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1311002226, now seen corresponding path program 1 times [2024-11-08 12:24:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9118141] [2024-11-08 12:24:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:31,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:31,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9118141] [2024-11-08 12:24:31,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9118141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:31,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:31,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:24:31,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325072312] [2024-11-08 12:24:31,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:31,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:24:31,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:24:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:24:31,519 INFO L87 Difference]: Start difference. First operand 227 states and 330 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:32,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:32,312 INFO L93 Difference]: Finished difference Result 653 states and 952 transitions. [2024-11-08 12:24:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:24:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-08 12:24:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:32,318 INFO L225 Difference]: With dead ends: 653 [2024-11-08 12:24:32,318 INFO L226 Difference]: Without dead ends: 429 [2024-11-08 12:24:32,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:24:32,322 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 149 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:32,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 763 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:24:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-08 12:24:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 231. [2024-11-08 12:24:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 203 states have (on average 1.3990147783251232) internal successors, (284), 204 states have internal predecessors, (284), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 334 transitions. [2024-11-08 12:24:32,359 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 334 transitions. Word has length 180 [2024-11-08 12:24:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:32,364 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 334 transitions. [2024-11-08 12:24:32,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 334 transitions. [2024-11-08 12:24:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:32,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:32,367 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:32,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:24:32,371 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:32,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:32,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1632892745, now seen corresponding path program 1 times [2024-11-08 12:24:32,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:32,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961691455] [2024-11-08 12:24:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:32,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:33,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:33,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961691455] [2024-11-08 12:24:33,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961691455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:33,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:33,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:24:33,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346804328] [2024-11-08 12:24:33,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:33,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:24:33,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:33,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:24:33,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:24:33,664 INFO L87 Difference]: Start difference. First operand 231 states and 334 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:34,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:34,266 INFO L93 Difference]: Finished difference Result 616 states and 887 transitions. [2024-11-08 12:24:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:34,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:34,269 INFO L225 Difference]: With dead ends: 616 [2024-11-08 12:24:34,270 INFO L226 Difference]: Without dead ends: 388 [2024-11-08 12:24:34,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:24:34,271 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 133 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:34,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 948 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:24:34,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-08 12:24:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 243. [2024-11-08 12:24:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 215 states have (on average 1.386046511627907) internal successors, (298), 216 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 348 transitions. [2024-11-08 12:24:34,306 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 348 transitions. Word has length 180 [2024-11-08 12:24:34,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:34,307 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 348 transitions. [2024-11-08 12:24:34,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 348 transitions. [2024-11-08 12:24:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:34,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:34,311 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:34,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:24:34,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:34,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1641006197, now seen corresponding path program 1 times [2024-11-08 12:24:34,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:34,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915772650] [2024-11-08 12:24:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:34,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:34,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915772650] [2024-11-08 12:24:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915772650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:35,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:35,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:24:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573518896] [2024-11-08 12:24:35,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:35,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:24:35,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:35,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:24:35,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:24:35,050 INFO L87 Difference]: Start difference. First operand 243 states and 348 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:35,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:35,536 INFO L93 Difference]: Finished difference Result 667 states and 952 transitions. [2024-11-08 12:24:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:35,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:35,540 INFO L225 Difference]: With dead ends: 667 [2024-11-08 12:24:35,540 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 12:24:35,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:35,544 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 150 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:35,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 697 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:24:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 12:24:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 261. [2024-11-08 12:24:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 233 states have (on average 1.3733905579399142) internal successors, (320), 234 states have internal predecessors, (320), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 370 transitions. [2024-11-08 12:24:35,565 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 370 transitions. Word has length 180 [2024-11-08 12:24:35,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:35,566 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 370 transitions. [2024-11-08 12:24:35,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 370 transitions. [2024-11-08 12:24:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:35,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:35,569 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:35,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 12:24:35,570 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:35,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:35,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1690077043, now seen corresponding path program 1 times [2024-11-08 12:24:35,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:35,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682860279] [2024-11-08 12:24:35,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:24:37,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:37,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682860279] [2024-11-08 12:24:37,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682860279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:24:37,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091756965] [2024-11-08 12:24:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:37,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:24:37,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:24:37,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 12:24:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:37,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 12:24:37,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:37,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-08 12:24:37,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:37,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 51 [2024-11-08 12:24:37,920 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:37,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 21 [2024-11-08 12:24:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:37,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:24:37,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091756965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:37,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:24:37,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2024-11-08 12:24:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124013282] [2024-11-08 12:24:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:37,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:24:37,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:37,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:24:37,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:24:37,983 INFO L87 Difference]: Start difference. First operand 261 states and 370 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:38,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:38,946 INFO L93 Difference]: Finished difference Result 780 states and 1098 transitions. [2024-11-08 12:24:38,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:24:38,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:38,950 INFO L225 Difference]: With dead ends: 780 [2024-11-08 12:24:38,950 INFO L226 Difference]: Without dead ends: 522 [2024-11-08 12:24:38,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-08 12:24:38,952 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 220 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:38,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1058 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:24:38,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-08 12:24:38,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 275. [2024-11-08 12:24:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 247 states have (on average 1.3805668016194332) internal successors, (341), 248 states have internal predecessors, (341), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 391 transitions. [2024-11-08 12:24:38,980 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 391 transitions. Word has length 180 [2024-11-08 12:24:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:38,981 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 391 transitions. [2024-11-08 12:24:38,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 391 transitions. [2024-11-08 12:24:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:38,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:38,984 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:39,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 12:24:39,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:39,185 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:39,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 669008689, now seen corresponding path program 1 times [2024-11-08 12:24:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497960079] [2024-11-08 12:24:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:40,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:40,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497960079] [2024-11-08 12:24:40,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497960079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:40,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:40,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:24:40,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989329833] [2024-11-08 12:24:40,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:40,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:24:40,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:40,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:24:40,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:40,519 INFO L87 Difference]: Start difference. First operand 275 states and 391 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:41,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:41,995 INFO L93 Difference]: Finished difference Result 1028 states and 1465 transitions. [2024-11-08 12:24:41,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:24:41,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:41,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:42,004 INFO L225 Difference]: With dead ends: 1028 [2024-11-08 12:24:42,004 INFO L226 Difference]: Without dead ends: 756 [2024-11-08 12:24:42,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:24:42,006 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 329 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:42,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 954 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 12:24:42,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-08 12:24:42,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 370. [2024-11-08 12:24:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 342 states have (on average 1.409356725146199) internal successors, (482), 343 states have internal predecessors, (482), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 532 transitions. [2024-11-08 12:24:42,039 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 532 transitions. Word has length 180 [2024-11-08 12:24:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:42,039 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 532 transitions. [2024-11-08 12:24:42,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:42,040 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 532 transitions. [2024-11-08 12:24:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:42,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:42,043 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:42,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 12:24:42,044 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:42,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1368186524, now seen corresponding path program 1 times [2024-11-08 12:24:42,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:42,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054774920] [2024-11-08 12:24:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:42,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:44,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054774920] [2024-11-08 12:24:44,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054774920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:44,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:44,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:24:44,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735332506] [2024-11-08 12:24:44,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:44,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:24:44,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:44,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:24:44,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:44,284 INFO L87 Difference]: Start difference. First operand 370 states and 532 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:45,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:45,502 INFO L93 Difference]: Finished difference Result 1049 states and 1508 transitions. [2024-11-08 12:24:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:24:45,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-08 12:24:45,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:45,507 INFO L225 Difference]: With dead ends: 1049 [2024-11-08 12:24:45,508 INFO L226 Difference]: Without dead ends: 682 [2024-11-08 12:24:45,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:24:45,510 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 465 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:45,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 459 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 12:24:45,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-08 12:24:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 377. [2024-11-08 12:24:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 349 states have (on average 1.4068767908309456) internal successors, (491), 350 states have internal predecessors, (491), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 541 transitions. [2024-11-08 12:24:45,539 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 541 transitions. Word has length 180 [2024-11-08 12:24:45,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:45,540 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 541 transitions. [2024-11-08 12:24:45,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 541 transitions. [2024-11-08 12:24:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:45,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:45,543 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:45,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 12:24:45,544 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:45,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:45,544 INFO L85 PathProgramCache]: Analyzing trace with hash 872428593, now seen corresponding path program 1 times [2024-11-08 12:24:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:45,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430710926] [2024-11-08 12:24:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:45,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:46,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:46,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430710926] [2024-11-08 12:24:46,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430710926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:46,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:46,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:24:46,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820814960] [2024-11-08 12:24:46,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:46,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:24:46,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:46,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:24:46,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:46,710 INFO L87 Difference]: Start difference. First operand 377 states and 541 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:48,106 INFO L93 Difference]: Finished difference Result 1138 states and 1622 transitions. [2024-11-08 12:24:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:24:48,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:48,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:48,112 INFO L225 Difference]: With dead ends: 1138 [2024-11-08 12:24:48,112 INFO L226 Difference]: Without dead ends: 764 [2024-11-08 12:24:48,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:24:48,114 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 326 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:48,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 956 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 12:24:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-08 12:24:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 394. [2024-11-08 12:24:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 366 states have (on average 1.3989071038251366) internal successors, (512), 367 states have internal predecessors, (512), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 562 transitions. [2024-11-08 12:24:48,152 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 562 transitions. Word has length 180 [2024-11-08 12:24:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:48,153 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 562 transitions. [2024-11-08 12:24:48,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 562 transitions. [2024-11-08 12:24:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:48,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:48,156 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 12:24:48,157 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:48,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash -148639761, now seen corresponding path program 1 times [2024-11-08 12:24:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:48,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659051937] [2024-11-08 12:24:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:48,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:48,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659051937] [2024-11-08 12:24:48,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659051937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:48,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:48,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 12:24:48,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650605990] [2024-11-08 12:24:48,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:48,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 12:24:48,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:48,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 12:24:48,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:24:48,728 INFO L87 Difference]: Start difference. First operand 394 states and 562 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:49,518 INFO L93 Difference]: Finished difference Result 1129 states and 1620 transitions. [2024-11-08 12:24:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:24:49,519 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:49,524 INFO L225 Difference]: With dead ends: 1129 [2024-11-08 12:24:49,524 INFO L226 Difference]: Without dead ends: 738 [2024-11-08 12:24:49,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:24:49,526 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 163 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:49,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1772 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:24:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-08 12:24:49,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 409. [2024-11-08 12:24:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 381 states have (on average 1.398950131233596) internal successors, (533), 382 states have internal predecessors, (533), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-11-08 12:24:49,564 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 180 [2024-11-08 12:24:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:49,565 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-11-08 12:24:49,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-11-08 12:24:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 12:24:49,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:49,569 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:49,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 12:24:49,570 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:49,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1674730683, now seen corresponding path program 1 times [2024-11-08 12:24:49,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:49,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973057096] [2024-11-08 12:24:49,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:49,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:49,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:49,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973057096] [2024-11-08 12:24:49,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973057096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:49,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:49,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:24:49,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415753708] [2024-11-08 12:24:49,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:49,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:24:49,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:49,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:24:49,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:24:49,754 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:49,797 INFO L93 Difference]: Finished difference Result 781 states and 1111 transitions. [2024-11-08 12:24:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:24:49,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-08 12:24:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:49,800 INFO L225 Difference]: With dead ends: 781 [2024-11-08 12:24:49,800 INFO L226 Difference]: Without dead ends: 375 [2024-11-08 12:24:49,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:24:49,802 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:49,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:24:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-08 12:24:49,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-08 12:24:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 347 states have (on average 1.3804034582132565) internal successors, (479), 348 states have internal predecessors, (479), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 529 transitions. [2024-11-08 12:24:49,825 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 529 transitions. Word has length 180 [2024-11-08 12:24:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:49,825 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 529 transitions. [2024-11-08 12:24:49,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 529 transitions. [2024-11-08 12:24:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:24:49,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:49,829 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:49,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 12:24:49,830 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:49,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1365743110, now seen corresponding path program 1 times [2024-11-08 12:24:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773779874] [2024-11-08 12:24:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:24:51,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773779874] [2024-11-08 12:24:51,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773779874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:24:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310309630] [2024-11-08 12:24:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:24:51,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:24:51,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:24:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:51,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 12:24:51,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:51,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:24:51,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2024-11-08 12:24:51,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 60 [2024-11-08 12:24:51,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-11-08 12:24:52,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2024-11-08 12:24:52,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:52,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 86 [2024-11-08 12:24:52,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:52,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 46 [2024-11-08 12:24:52,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:52,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2024-11-08 12:24:52,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:52,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2024-11-08 12:24:52,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:52,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 85 [2024-11-08 12:24:53,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:53,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 147 treesize of output 55 [2024-11-08 12:24:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:53,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:24:53,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310309630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:53,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:24:53,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2024-11-08 12:24:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800754747] [2024-11-08 12:24:53,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:53,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:24:53,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:53,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:24:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-08 12:24:53,145 INFO L87 Difference]: Start difference. First operand 375 states and 529 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:55,119 INFO L93 Difference]: Finished difference Result 1137 states and 1601 transitions. [2024-11-08 12:24:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:24:55,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-08 12:24:55,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:55,126 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 12:24:55,126 INFO L226 Difference]: Without dead ends: 765 [2024-11-08 12:24:55,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-08 12:24:55,130 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 314 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:55,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1450 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 12:24:55,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-08 12:24:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 368. [2024-11-08 12:24:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 340 states have (on average 1.3794117647058823) internal successors, (469), 341 states have internal predecessors, (469), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 519 transitions. [2024-11-08 12:24:55,163 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 519 transitions. Word has length 181 [2024-11-08 12:24:55,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:55,164 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 519 transitions. [2024-11-08 12:24:55,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 519 transitions. [2024-11-08 12:24:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:24:55,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:55,166 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:55,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 12:24:55,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:55,367 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:55,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1687633629, now seen corresponding path program 1 times [2024-11-08 12:24:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965844200] [2024-11-08 12:24:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:56,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:56,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965844200] [2024-11-08 12:24:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965844200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:56,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:56,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:24:56,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923046518] [2024-11-08 12:24:56,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:56,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:24:56,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:56,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:24:56,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:24:56,897 INFO L87 Difference]: Start difference. First operand 368 states and 519 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:57,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:57,610 INFO L93 Difference]: Finished difference Result 959 states and 1364 transitions. [2024-11-08 12:24:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:24:57,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2024-11-08 12:24:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:57,615 INFO L225 Difference]: With dead ends: 959 [2024-11-08 12:24:57,615 INFO L226 Difference]: Without dead ends: 594 [2024-11-08 12:24:57,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:24:57,617 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 152 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:57,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 626 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 12:24:57,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-08 12:24:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 324. [2024-11-08 12:24:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 296 states have (on average 1.3581081081081081) internal successors, (402), 297 states have internal predecessors, (402), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 452 transitions. [2024-11-08 12:24:57,641 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 452 transitions. Word has length 181 [2024-11-08 12:24:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:57,642 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 452 transitions. [2024-11-08 12:24:57,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:24:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 452 transitions. [2024-11-08 12:24:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:24:57,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:57,645 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:57,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 12:24:57,645 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:57,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:57,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1962965144, now seen corresponding path program 1 times [2024-11-08 12:24:57,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:57,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511788203] [2024-11-08 12:24:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:57,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:57,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:57,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511788203] [2024-11-08 12:24:57,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511788203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:57,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:57,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:24:57,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224662772] [2024-11-08 12:24:57,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:57,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:24:57,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:57,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:24:57,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:24:57,857 INFO L87 Difference]: Start difference. First operand 324 states and 452 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:57,902 INFO L93 Difference]: Finished difference Result 651 states and 909 transitions. [2024-11-08 12:24:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:24:57,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-08 12:24:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:57,905 INFO L225 Difference]: With dead ends: 651 [2024-11-08 12:24:57,905 INFO L226 Difference]: Without dead ends: 330 [2024-11-08 12:24:57,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:24:57,907 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:57,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 707 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:24:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-08 12:24:57,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-08 12:24:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.3509933774834437) internal successors, (408), 303 states have internal predecessors, (408), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 458 transitions. [2024-11-08 12:24:57,925 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 458 transitions. Word has length 181 [2024-11-08 12:24:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:57,926 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 458 transitions. [2024-11-08 12:24:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 458 transitions. [2024-11-08 12:24:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:24:57,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:57,928 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:57,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 12:24:57,929 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:57,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1890578586, now seen corresponding path program 1 times [2024-11-08 12:24:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:57,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211803691] [2024-11-08 12:24:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:24:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:24:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:24:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:24:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:24:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:24:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:24:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:24:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:24:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:24:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:24:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:24:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:24:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:24:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:24:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:24:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:24:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:24:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:24:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:24:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:24:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:24:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:24:58,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211803691] [2024-11-08 12:24:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211803691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:58,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:58,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:24:58,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124827338] [2024-11-08 12:24:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:58,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:24:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:58,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:24:58,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:24:58,698 INFO L87 Difference]: Start difference. First operand 330 states and 458 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:59,468 INFO L93 Difference]: Finished difference Result 829 states and 1152 transitions. [2024-11-08 12:24:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:24:59,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-08 12:24:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:59,472 INFO L225 Difference]: With dead ends: 829 [2024-11-08 12:24:59,472 INFO L226 Difference]: Without dead ends: 502 [2024-11-08 12:24:59,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:24:59,474 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 294 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:59,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 351 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:24:59,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-08 12:24:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 330. [2024-11-08 12:24:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.3443708609271523) internal successors, (406), 303 states have internal predecessors, (406), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:24:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 456 transitions. [2024-11-08 12:24:59,503 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 456 transitions. Word has length 181 [2024-11-08 12:24:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:59,504 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 456 transitions. [2024-11-08 12:24:59,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:24:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 456 transitions. [2024-11-08 12:24:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:24:59,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:59,506 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:59,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 12:24:59,507 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:59,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash 869510232, now seen corresponding path program 1 times [2024-11-08 12:24:59,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:59,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045003825] [2024-11-08 12:24:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:25:00,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:00,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045003825] [2024-11-08 12:25:00,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045003825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:25:00,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118862075] [2024-11-08 12:25:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:00,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:25:00,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:25:00,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:25:00,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:25:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:01,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 12:25:01,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:25:01,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-08 12:25:01,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:25:01,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2024-11-08 12:25:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:25:01,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:25:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118862075] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 12:25:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:25:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 9] total 16 [2024-11-08 12:25:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749015112] [2024-11-08 12:25:01,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:01,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:01,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:01,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-08 12:25:01,544 INFO L87 Difference]: Start difference. First operand 330 states and 456 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:02,231 INFO L93 Difference]: Finished difference Result 803 states and 1116 transitions. [2024-11-08 12:25:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-08 12:25:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:02,236 INFO L225 Difference]: With dead ends: 803 [2024-11-08 12:25:02,236 INFO L226 Difference]: Without dead ends: 476 [2024-11-08 12:25:02,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-08 12:25:02,239 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 128 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:02,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1167 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-08 12:25:02,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 330. [2024-11-08 12:25:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.3443708609271523) internal successors, (406), 303 states have internal predecessors, (406), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 456 transitions. [2024-11-08 12:25:02,281 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 456 transitions. Word has length 181 [2024-11-08 12:25:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:02,282 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 456 transitions. [2024-11-08 12:25:02,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 456 transitions. [2024-11-08 12:25:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 12:25:02,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:02,285 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:02,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:25:02,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 12:25:02,491 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:02,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1736513322, now seen corresponding path program 1 times [2024-11-08 12:25:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:02,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350702589] [2024-11-08 12:25:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:03,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:03,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350702589] [2024-11-08 12:25:03,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350702589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:03,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:03,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:03,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28290349] [2024-11-08 12:25:03,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:03,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:03,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:03,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:03,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:03,369 INFO L87 Difference]: Start difference. First operand 330 states and 456 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:04,295 INFO L93 Difference]: Finished difference Result 827 states and 1144 transitions. [2024-11-08 12:25:04,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:04,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-08 12:25:04,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:04,299 INFO L225 Difference]: With dead ends: 827 [2024-11-08 12:25:04,299 INFO L226 Difference]: Without dead ends: 500 [2024-11-08 12:25:04,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:25:04,301 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 396 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:04,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 448 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:25:04,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-08 12:25:04,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 322. [2024-11-08 12:25:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 294 states have (on average 1.346938775510204) internal successors, (396), 295 states have internal predecessors, (396), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 446 transitions. [2024-11-08 12:25:04,332 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 446 transitions. Word has length 181 [2024-11-08 12:25:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:04,332 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 446 transitions. [2024-11-08 12:25:04,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:04,333 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 446 transitions. [2024-11-08 12:25:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 12:25:04,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:04,335 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:04,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 12:25:04,335 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:04,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash 651020140, now seen corresponding path program 1 times [2024-11-08 12:25:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:04,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291291721] [2024-11-08 12:25:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:04,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:04,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291291721] [2024-11-08 12:25:04,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291291721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:04,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:04,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:25:04,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695420642] [2024-11-08 12:25:04,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:04,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:25:04,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:04,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:25:04,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:25:04,501 INFO L87 Difference]: Start difference. First operand 322 states and 446 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:04,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:04,536 INFO L93 Difference]: Finished difference Result 642 states and 891 transitions. [2024-11-08 12:25:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:25:04,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-08 12:25:04,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:04,539 INFO L225 Difference]: With dead ends: 642 [2024-11-08 12:25:04,540 INFO L226 Difference]: Without dead ends: 323 [2024-11-08 12:25:04,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 12:25:04,541 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:04,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:25:04,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-08 12:25:04,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-08 12:25:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 295 states have (on average 1.3457627118644069) internal successors, (397), 296 states have internal predecessors, (397), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 447 transitions. [2024-11-08 12:25:04,569 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 447 transitions. Word has length 182 [2024-11-08 12:25:04,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:04,570 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 447 transitions. [2024-11-08 12:25:04,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 447 transitions. [2024-11-08 12:25:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 12:25:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:04,573 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:04,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 12:25:04,573 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:04,574 INFO L85 PathProgramCache]: Analyzing trace with hash -378339158, now seen corresponding path program 1 times [2024-11-08 12:25:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:04,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764014514] [2024-11-08 12:25:04,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:04,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:04,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764014514] [2024-11-08 12:25:04,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764014514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:04,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:04,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:25:04,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202318752] [2024-11-08 12:25:04,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:04,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:25:04,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:04,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:25:04,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:04,884 INFO L87 Difference]: Start difference. First operand 323 states and 447 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:05,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:05,355 INFO L93 Difference]: Finished difference Result 815 states and 1125 transitions. [2024-11-08 12:25:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:25:05,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-08 12:25:05,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:05,359 INFO L225 Difference]: With dead ends: 815 [2024-11-08 12:25:05,359 INFO L226 Difference]: Without dead ends: 495 [2024-11-08 12:25:05,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:05,361 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 93 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:05,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 592 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:25:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-08 12:25:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 323. [2024-11-08 12:25:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 295 states have (on average 1.3423728813559321) internal successors, (396), 296 states have internal predecessors, (396), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 446 transitions. [2024-11-08 12:25:05,390 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 446 transitions. Word has length 182 [2024-11-08 12:25:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:05,391 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 446 transitions. [2024-11-08 12:25:05,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 446 transitions. [2024-11-08 12:25:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 12:25:05,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:05,393 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:05,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 12:25:05,394 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:05,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:05,394 INFO L85 PathProgramCache]: Analyzing trace with hash -772705944, now seen corresponding path program 1 times [2024-11-08 12:25:05,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:05,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842953057] [2024-11-08 12:25:05,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:05,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:05,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:05,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842953057] [2024-11-08 12:25:05,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842953057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:05,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:05,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:25:05,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653613307] [2024-11-08 12:25:05,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:05,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:25:05,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:25:05,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:05,679 INFO L87 Difference]: Start difference. First operand 323 states and 446 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:05,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:05,965 INFO L93 Difference]: Finished difference Result 557 states and 767 transitions. [2024-11-08 12:25:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:25:05,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-08 12:25:05,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:05,968 INFO L225 Difference]: With dead ends: 557 [2024-11-08 12:25:05,968 INFO L226 Difference]: Without dead ends: 236 [2024-11-08 12:25:05,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:05,970 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:05,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 551 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:25:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-08 12:25:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 235. [2024-11-08 12:25:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 207 states have (on average 1.3091787439613527) internal successors, (271), 208 states have internal predecessors, (271), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 321 transitions. [2024-11-08 12:25:05,997 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 321 transitions. Word has length 182 [2024-11-08 12:25:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:05,998 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 321 transitions. [2024-11-08 12:25:05,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 321 transitions. [2024-11-08 12:25:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 12:25:06,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:06,001 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:06,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 12:25:06,001 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:06,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1352014511, now seen corresponding path program 1 times [2024-11-08 12:25:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819084291] [2024-11-08 12:25:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:07,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:07,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819084291] [2024-11-08 12:25:07,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819084291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:07,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:07,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:07,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289151208] [2024-11-08 12:25:07,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:07,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:07,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:07,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:07,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:07,689 INFO L87 Difference]: Start difference. First operand 235 states and 321 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:08,247 INFO L93 Difference]: Finished difference Result 640 states and 874 transitions. [2024-11-08 12:25:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:08,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2024-11-08 12:25:08,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:08,253 INFO L225 Difference]: With dead ends: 640 [2024-11-08 12:25:08,254 INFO L226 Difference]: Without dead ends: 408 [2024-11-08 12:25:08,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:08,259 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 74 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:08,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 543 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:08,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-08 12:25:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 334. [2024-11-08 12:25:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 306 states have (on average 1.303921568627451) internal successors, (399), 307 states have internal predecessors, (399), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2024-11-08 12:25:08,289 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 183 [2024-11-08 12:25:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:08,289 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2024-11-08 12:25:08,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2024-11-08 12:25:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 12:25:08,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:08,292 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:08,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 12:25:08,293 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:08,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1663089107, now seen corresponding path program 1 times [2024-11-08 12:25:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186569702] [2024-11-08 12:25:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:09,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:09,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186569702] [2024-11-08 12:25:09,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186569702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:09,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:09,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 12:25:09,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617944123] [2024-11-08 12:25:09,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:09,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 12:25:09,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:09,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 12:25:09,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:25:09,174 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:09,775 INFO L93 Difference]: Finished difference Result 729 states and 984 transitions. [2024-11-08 12:25:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:25:09,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-08 12:25:09,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:09,778 INFO L225 Difference]: With dead ends: 729 [2024-11-08 12:25:09,778 INFO L226 Difference]: Without dead ends: 398 [2024-11-08 12:25:09,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:25:09,780 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 148 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:09,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1114 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:09,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-08 12:25:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 340. [2024-11-08 12:25:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 312 states have (on average 1.2980769230769231) internal successors, (405), 313 states have internal predecessors, (405), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 455 transitions. [2024-11-08 12:25:09,804 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 455 transitions. Word has length 183 [2024-11-08 12:25:09,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:09,805 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 455 transitions. [2024-11-08 12:25:09,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 455 transitions. [2024-11-08 12:25:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 12:25:09,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:09,807 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:09,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 12:25:09,808 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:09,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash -526303950, now seen corresponding path program 1 times [2024-11-08 12:25:09,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:09,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546096149] [2024-11-08 12:25:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:09,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546096149] [2024-11-08 12:25:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546096149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:09,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:09,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:25:09,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856814315] [2024-11-08 12:25:09,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:09,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:25:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:25:09,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:25:09,967 INFO L87 Difference]: Start difference. First operand 340 states and 455 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:10,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:10,006 INFO L93 Difference]: Finished difference Result 679 states and 911 transitions. [2024-11-08 12:25:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:25:10,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-08 12:25:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:10,012 INFO L225 Difference]: With dead ends: 679 [2024-11-08 12:25:10,012 INFO L226 Difference]: Without dead ends: 342 [2024-11-08 12:25:10,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 12:25:10,017 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:10,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:25:10,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-08 12:25:10,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-08 12:25:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 314 states have (on average 1.2961783439490446) internal successors, (407), 315 states have internal predecessors, (407), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 457 transitions. [2024-11-08 12:25:10,047 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 457 transitions. Word has length 185 [2024-11-08 12:25:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:10,048 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 457 transitions. [2024-11-08 12:25:10,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 457 transitions. [2024-11-08 12:25:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 12:25:10,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:10,054 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:10,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 12:25:10,055 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:10,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1691005130, now seen corresponding path program 1 times [2024-11-08 12:25:10,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:10,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029532019] [2024-11-08 12:25:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:10,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029532019] [2024-11-08 12:25:10,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029532019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:10,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:10,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:25:10,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100587631] [2024-11-08 12:25:10,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:10,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:25:10,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:10,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:25:10,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:10,339 INFO L87 Difference]: Start difference. First operand 342 states and 457 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:10,747 INFO L93 Difference]: Finished difference Result 749 states and 1004 transitions. [2024-11-08 12:25:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:25:10,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-08 12:25:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:10,751 INFO L225 Difference]: With dead ends: 749 [2024-11-08 12:25:10,751 INFO L226 Difference]: Without dead ends: 410 [2024-11-08 12:25:10,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:10,753 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 51 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:10,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 549 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:25:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-08 12:25:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 342. [2024-11-08 12:25:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 314 states have (on average 1.2898089171974523) internal successors, (405), 315 states have internal predecessors, (405), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 455 transitions. [2024-11-08 12:25:10,781 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 455 transitions. Word has length 185 [2024-11-08 12:25:10,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:10,782 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 455 transitions. [2024-11-08 12:25:10,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2024-11-08 12:25:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 12:25:10,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:10,784 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:10,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 12:25:10,785 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:10,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:10,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1324098488, now seen corresponding path program 1 times [2024-11-08 12:25:10,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:10,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544280166] [2024-11-08 12:25:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:11,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:11,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544280166] [2024-11-08 12:25:11,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544280166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:11,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:11,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:25:11,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414807075] [2024-11-08 12:25:11,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:11,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:25:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:25:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:25:11,082 INFO L87 Difference]: Start difference. First operand 342 states and 455 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:11,259 INFO L93 Difference]: Finished difference Result 671 states and 895 transitions. [2024-11-08 12:25:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:25:11,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-08 12:25:11,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:11,263 INFO L225 Difference]: With dead ends: 671 [2024-11-08 12:25:11,263 INFO L226 Difference]: Without dead ends: 332 [2024-11-08 12:25:11,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:25:11,265 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:11,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 435 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:25:11,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-08 12:25:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2024-11-08 12:25:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.2880794701986755) internal successors, (389), 303 states have internal predecessors, (389), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 439 transitions. [2024-11-08 12:25:11,293 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 439 transitions. Word has length 185 [2024-11-08 12:25:11,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:11,294 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 439 transitions. [2024-11-08 12:25:11,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 439 transitions. [2024-11-08 12:25:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-08 12:25:11,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:11,296 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:11,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 12:25:11,297 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:11,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:11,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1135899877, now seen corresponding path program 1 times [2024-11-08 12:25:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:11,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361954036] [2024-11-08 12:25:11,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:11,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:12,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361954036] [2024-11-08 12:25:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361954036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:12,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:12,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:25:12,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117429977] [2024-11-08 12:25:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:12,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:25:12,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:12,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:25:12,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:25:12,550 INFO L87 Difference]: Start difference. First operand 330 states and 439 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:13,465 INFO L93 Difference]: Finished difference Result 890 states and 1171 transitions. [2024-11-08 12:25:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:25:13,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-08 12:25:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:13,470 INFO L225 Difference]: With dead ends: 890 [2024-11-08 12:25:13,470 INFO L226 Difference]: Without dead ends: 563 [2024-11-08 12:25:13,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:25:13,472 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 146 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:13,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1135 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:25:13,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-08 12:25:13,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 422. [2024-11-08 12:25:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 394 states have (on average 1.251269035532995) internal successors, (493), 395 states have internal predecessors, (493), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 543 transitions. [2024-11-08 12:25:13,508 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 543 transitions. Word has length 187 [2024-11-08 12:25:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:13,508 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 543 transitions. [2024-11-08 12:25:13,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 543 transitions. [2024-11-08 12:25:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-08 12:25:13,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:13,511 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:13,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 12:25:13,511 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:13,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1394065315, now seen corresponding path program 1 times [2024-11-08 12:25:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:13,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563036868] [2024-11-08 12:25:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:13,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:13,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563036868] [2024-11-08 12:25:13,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563036868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:13,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:13,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:25:13,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372177974] [2024-11-08 12:25:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:13,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:25:13,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:13,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:25:13,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:25:13,701 INFO L87 Difference]: Start difference. First operand 422 states and 543 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:13,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:13,759 INFO L93 Difference]: Finished difference Result 851 states and 1097 transitions. [2024-11-08 12:25:13,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:25:13,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-08 12:25:13,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:13,763 INFO L225 Difference]: With dead ends: 851 [2024-11-08 12:25:13,763 INFO L226 Difference]: Without dead ends: 432 [2024-11-08 12:25:13,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:25:13,765 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:13,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 502 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:25:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-08 12:25:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-08 12:25:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 402 states have (on average 1.2462686567164178) internal successors, (501), 403 states have internal predecessors, (501), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 12:25:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 551 transitions. [2024-11-08 12:25:13,794 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 551 transitions. Word has length 187 [2024-11-08 12:25:13,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:13,795 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 551 transitions. [2024-11-08 12:25:13,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 551 transitions. [2024-11-08 12:25:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-08 12:25:13,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:13,797 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:13,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 12:25:13,798 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:13,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:13,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1730368988, now seen corresponding path program 1 times [2024-11-08 12:25:13,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:13,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813064382] [2024-11-08 12:25:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:13,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:15,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:15,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813064382] [2024-11-08 12:25:15,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813064382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:15,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:15,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:15,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199707646] [2024-11-08 12:25:15,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:15,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:15,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:15,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:15,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:15,343 INFO L87 Difference]: Start difference. First operand 430 states and 551 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:15,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:15,852 INFO L93 Difference]: Finished difference Result 942 states and 1201 transitions. [2024-11-08 12:25:15,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:15,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-08 12:25:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:15,856 INFO L225 Difference]: With dead ends: 942 [2024-11-08 12:25:15,856 INFO L226 Difference]: Without dead ends: 515 [2024-11-08 12:25:15,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:15,858 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 71 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:15,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 713 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-08 12:25:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 334. [2024-11-08 12:25:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 308 states have (on average 1.2435064935064934) internal successors, (383), 308 states have internal predecessors, (383), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 12:25:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 429 transitions. [2024-11-08 12:25:15,882 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 429 transitions. Word has length 188 [2024-11-08 12:25:15,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:15,882 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 429 transitions. [2024-11-08 12:25:15,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 429 transitions. [2024-11-08 12:25:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-08 12:25:15,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:15,885 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:15,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 12:25:15,885 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:15,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash -764308833, now seen corresponding path program 1 times [2024-11-08 12:25:15,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:15,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975687952] [2024-11-08 12:25:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:17,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975687952] [2024-11-08 12:25:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975687952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:17,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:17,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533880904] [2024-11-08 12:25:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:17,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:17,694 INFO L87 Difference]: Start difference. First operand 334 states and 429 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:18,161 INFO L93 Difference]: Finished difference Result 700 states and 899 transitions. [2024-11-08 12:25:18,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:18,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2024-11-08 12:25:18,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:18,164 INFO L225 Difference]: With dead ends: 700 [2024-11-08 12:25:18,164 INFO L226 Difference]: Without dead ends: 369 [2024-11-08 12:25:18,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:18,166 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 115 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:18,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 526 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:25:18,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-08 12:25:18,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-08 12:25:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 308 states have (on average 1.2402597402597402) internal successors, (382), 308 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 12:25:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 428 transitions. [2024-11-08 12:25:18,191 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 428 transitions. Word has length 189 [2024-11-08 12:25:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:18,191 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 428 transitions. [2024-11-08 12:25:18,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 428 transitions. [2024-11-08 12:25:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:18,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:18,193 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:18,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 12:25:18,194 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:18,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:18,194 INFO L85 PathProgramCache]: Analyzing trace with hash -208506210, now seen corresponding path program 1 times [2024-11-08 12:25:18,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:18,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620894008] [2024-11-08 12:25:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:18,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:20,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:20,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620894008] [2024-11-08 12:25:20,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620894008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:20,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:20,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:20,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621227733] [2024-11-08 12:25:20,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:20,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:20,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:20,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:20,015 INFO L87 Difference]: Start difference. First operand 334 states and 428 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:20,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:20,506 INFO L93 Difference]: Finished difference Result 784 states and 1002 transitions. [2024-11-08 12:25:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:25:20,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:20,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:20,510 INFO L225 Difference]: With dead ends: 784 [2024-11-08 12:25:20,511 INFO L226 Difference]: Without dead ends: 453 [2024-11-08 12:25:20,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:20,512 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 129 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:20,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 600 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:25:20,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-08 12:25:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 448. [2024-11-08 12:25:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 416 states have (on average 1.2451923076923077) internal successors, (518), 417 states have internal predecessors, (518), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 12:25:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 572 transitions. [2024-11-08 12:25:20,553 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 572 transitions. Word has length 190 [2024-11-08 12:25:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:20,554 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 572 transitions. [2024-11-08 12:25:20,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 572 transitions. [2024-11-08 12:25:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:20,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:20,558 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:20,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 12:25:20,558 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:20,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:20,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1071357468, now seen corresponding path program 1 times [2024-11-08 12:25:20,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:20,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492393921] [2024-11-08 12:25:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:20,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:20,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492393921] [2024-11-08 12:25:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492393921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:20,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:25:20,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809758707] [2024-11-08 12:25:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:20,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:25:20,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:20,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:25:20,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:20,807 INFO L87 Difference]: Start difference. First operand 448 states and 572 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:20,877 INFO L93 Difference]: Finished difference Result 897 states and 1146 transitions. [2024-11-08 12:25:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:25:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-11-08 12:25:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:20,881 INFO L225 Difference]: With dead ends: 897 [2024-11-08 12:25:20,881 INFO L226 Difference]: Without dead ends: 452 [2024-11-08 12:25:20,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:25:20,884 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:20,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:25:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-08 12:25:20,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2024-11-08 12:25:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 417 states have (on average 1.2398081534772183) internal successors, (517), 418 states have internal predecessors, (517), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 12:25:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2024-11-08 12:25:20,919 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 190 [2024-11-08 12:25:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:20,920 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2024-11-08 12:25:20,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2024-11-08 12:25:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:20,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:20,923 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:20,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 12:25:20,923 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:20,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash 39640284, now seen corresponding path program 1 times [2024-11-08 12:25:20,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:20,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100360596] [2024-11-08 12:25:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:22,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:22,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100360596] [2024-11-08 12:25:22,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100360596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:22,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:22,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:25:22,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272890728] [2024-11-08 12:25:22,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:22,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:25:22,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:22,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:25:22,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:25:22,762 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:23,630 INFO L93 Difference]: Finished difference Result 945 states and 1201 transitions. [2024-11-08 12:25:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:25:23,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:23,634 INFO L225 Difference]: With dead ends: 945 [2024-11-08 12:25:23,634 INFO L226 Difference]: Without dead ends: 499 [2024-11-08 12:25:23,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:25:23,637 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 131 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:23,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1253 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:25:23,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-08 12:25:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 492. [2024-11-08 12:25:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 452 states have (on average 1.238938053097345) internal successors, (560), 454 states have internal predecessors, (560), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 12:25:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 626 transitions. [2024-11-08 12:25:23,694 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 626 transitions. Word has length 190 [2024-11-08 12:25:23,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:23,695 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 626 transitions. [2024-11-08 12:25:23,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 626 transitions. [2024-11-08 12:25:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:23,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:23,698 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:23,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 12:25:23,698 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:23,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1862150496, now seen corresponding path program 1 times [2024-11-08 12:25:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:23,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282580058] [2024-11-08 12:25:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:23,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:25,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282580058] [2024-11-08 12:25:25,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282580058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:25,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:25,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:25:25,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885480672] [2024-11-08 12:25:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:25,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:25:25,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:25,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:25:25,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:25:25,635 INFO L87 Difference]: Start difference. First operand 492 states and 626 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:26,404 INFO L93 Difference]: Finished difference Result 1025 states and 1305 transitions. [2024-11-08 12:25:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:25:26,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:26,408 INFO L225 Difference]: With dead ends: 1025 [2024-11-08 12:25:26,408 INFO L226 Difference]: Without dead ends: 536 [2024-11-08 12:25:26,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:25:26,410 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 79 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:26,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1126 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:25:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-08 12:25:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 492. [2024-11-08 12:25:26,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 452 states have (on average 1.2367256637168142) internal successors, (559), 454 states have internal predecessors, (559), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 12:25:26,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 625 transitions. [2024-11-08 12:25:26,456 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 625 transitions. Word has length 190 [2024-11-08 12:25:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:26,457 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 625 transitions. [2024-11-08 12:25:26,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 625 transitions. [2024-11-08 12:25:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:26,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:26,460 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:26,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 12:25:26,460 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:26,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2120315934, now seen corresponding path program 1 times [2024-11-08 12:25:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183002341] [2024-11-08 12:25:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:28,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:28,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183002341] [2024-11-08 12:25:28,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183002341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:28,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:25:28,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642859991] [2024-11-08 12:25:28,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:28,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 12:25:28,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:28,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 12:25:28,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:25:28,401 INFO L87 Difference]: Start difference. First operand 492 states and 625 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:29,607 INFO L93 Difference]: Finished difference Result 1063 states and 1345 transitions. [2024-11-08 12:25:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:25:29,609 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:29,612 INFO L225 Difference]: With dead ends: 1063 [2024-11-08 12:25:29,613 INFO L226 Difference]: Without dead ends: 574 [2024-11-08 12:25:29,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-08 12:25:29,615 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 201 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:29,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 959 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 12:25:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-08 12:25:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-08 12:25:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 519 states have (on average 1.229287090558767) internal successors, (638), 522 states have internal predecessors, (638), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 12:25:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 720 transitions. [2024-11-08 12:25:29,685 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 720 transitions. Word has length 190 [2024-11-08 12:25:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:29,686 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 720 transitions. [2024-11-08 12:25:29,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 720 transitions. [2024-11-08 12:25:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:29,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:29,688 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:29,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 12:25:29,689 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:29,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1152953122, now seen corresponding path program 1 times [2024-11-08 12:25:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:29,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064030004] [2024-11-08 12:25:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:31,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064030004] [2024-11-08 12:25:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064030004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:31,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:31,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:31,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818831366] [2024-11-08 12:25:31,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:31,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:31,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:31,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:31,216 INFO L87 Difference]: Start difference. First operand 571 states and 720 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:31,740 INFO L93 Difference]: Finished difference Result 1140 states and 1434 transitions. [2024-11-08 12:25:31,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:31,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:31,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:31,745 INFO L225 Difference]: With dead ends: 1140 [2024-11-08 12:25:31,745 INFO L226 Difference]: Without dead ends: 572 [2024-11-08 12:25:31,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:31,746 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 73 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:31,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 644 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-08 12:25:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2024-11-08 12:25:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 516 states have (on average 1.2228682170542635) internal successors, (631), 519 states have internal predecessors, (631), 41 states have call successors, (41), 12 states have call predecessors, (41), 12 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 12:25:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 713 transitions. [2024-11-08 12:25:31,818 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 713 transitions. Word has length 190 [2024-11-08 12:25:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:31,819 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 713 transitions. [2024-11-08 12:25:31,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 713 transitions. [2024-11-08 12:25:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:25:31,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:31,822 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:31,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 12:25:31,822 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:31,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1805726882, now seen corresponding path program 1 times [2024-11-08 12:25:31,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:31,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906687412] [2024-11-08 12:25:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:31,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:34,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:34,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906687412] [2024-11-08 12:25:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906687412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 12:25:34,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801213044] [2024-11-08 12:25:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:25:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:25:34,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:25:34,192 INFO L87 Difference]: Start difference. First operand 570 states and 713 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:35,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:35,626 INFO L93 Difference]: Finished difference Result 1267 states and 1579 transitions. [2024-11-08 12:25:35,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:25:35,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-08 12:25:35,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:35,631 INFO L225 Difference]: With dead ends: 1267 [2024-11-08 12:25:35,632 INFO L226 Difference]: Without dead ends: 700 [2024-11-08 12:25:35,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-08 12:25:35,634 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 199 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:35,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1464 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 12:25:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-08 12:25:35,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 568. [2024-11-08 12:25:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 514 states have (on average 1.2237354085603114) internal successors, (629), 517 states have internal predecessors, (629), 41 states have call successors, (41), 12 states have call predecessors, (41), 12 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 12:25:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 711 transitions. [2024-11-08 12:25:35,710 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 711 transitions. Word has length 190 [2024-11-08 12:25:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:35,710 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 711 transitions. [2024-11-08 12:25:35,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 711 transitions. [2024-11-08 12:25:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 12:25:35,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:35,713 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:35,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 12:25:35,714 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:35,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1623094397, now seen corresponding path program 1 times [2024-11-08 12:25:35,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:35,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25840910] [2024-11-08 12:25:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:35,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:37,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:37,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25840910] [2024-11-08 12:25:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25840910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:37,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:37,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:25:37,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587754686] [2024-11-08 12:25:37,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:37,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:25:37,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:37,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:25:37,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:25:37,577 INFO L87 Difference]: Start difference. First operand 568 states and 711 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:38,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:38,840 INFO L93 Difference]: Finished difference Result 1638 states and 2042 transitions. [2024-11-08 12:25:38,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:25:38,841 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-08 12:25:38,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:38,846 INFO L225 Difference]: With dead ends: 1638 [2024-11-08 12:25:38,847 INFO L226 Difference]: Without dead ends: 1073 [2024-11-08 12:25:38,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:25:38,849 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 207 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:38,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 908 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 12:25:38,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-08 12:25:38,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1040. [2024-11-08 12:25:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 942 states have (on average 1.208067940552017) internal successors, (1138), 949 states have internal predecessors, (1138), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (73), 66 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-08 12:25:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1284 transitions. [2024-11-08 12:25:38,984 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1284 transitions. Word has length 191 [2024-11-08 12:25:38,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:38,985 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1284 transitions. [2024-11-08 12:25:38,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1284 transitions. [2024-11-08 12:25:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 12:25:38,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:38,989 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:38,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 12:25:38,989 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:38,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash 593735099, now seen corresponding path program 1 times [2024-11-08 12:25:38,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:38,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303232130] [2024-11-08 12:25:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:38,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:40,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303232130] [2024-11-08 12:25:40,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303232130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:40,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:40,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 12:25:40,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503978542] [2024-11-08 12:25:40,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:40,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:25:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:25:40,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:25:40,164 INFO L87 Difference]: Start difference. First operand 1040 states and 1284 transitions. Second operand has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 12:25:41,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:41,187 INFO L93 Difference]: Finished difference Result 2602 states and 3215 transitions. [2024-11-08 12:25:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:25:41,187 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 191 [2024-11-08 12:25:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:41,195 INFO L225 Difference]: With dead ends: 2602 [2024-11-08 12:25:41,195 INFO L226 Difference]: Without dead ends: 1565 [2024-11-08 12:25:41,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:25:41,199 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 260 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:41,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 877 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:25:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-11-08 12:25:41,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1554. [2024-11-08 12:25:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1414 states have (on average 1.2065063649222065) internal successors, (1706), 1425 states have internal predecessors, (1706), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 12:25:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1912 transitions. [2024-11-08 12:25:41,404 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1912 transitions. Word has length 191 [2024-11-08 12:25:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:41,405 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 1912 transitions. [2024-11-08 12:25:41,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 12:25:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1912 transitions. [2024-11-08 12:25:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 12:25:41,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:41,408 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:41,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 12:25:41,409 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:41,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash 200708089, now seen corresponding path program 1 times [2024-11-08 12:25:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207903250] [2024-11-08 12:25:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:42,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:42,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207903250] [2024-11-08 12:25:42,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207903250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:42,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:42,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 12:25:42,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117956828] [2024-11-08 12:25:42,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:42,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:25:42,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:42,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:25:42,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:25:42,272 INFO L87 Difference]: Start difference. First operand 1554 states and 1912 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:43,202 INFO L93 Difference]: Finished difference Result 3761 states and 4632 transitions. [2024-11-08 12:25:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:25:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-08 12:25:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:43,211 INFO L225 Difference]: With dead ends: 3761 [2024-11-08 12:25:43,211 INFO L226 Difference]: Without dead ends: 2210 [2024-11-08 12:25:43,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:25:43,214 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 136 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:43,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1822 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 12:25:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2024-11-08 12:25:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1862. [2024-11-08 12:25:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1722 states have (on average 1.2003484320557491) internal successors, (2067), 1733 states have internal predecessors, (2067), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-08 12:25:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2273 transitions. [2024-11-08 12:25:43,457 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2273 transitions. Word has length 191 [2024-11-08 12:25:43,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:43,458 INFO L471 AbstractCegarLoop]: Abstraction has 1862 states and 2273 transitions. [2024-11-08 12:25:43,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:25:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2273 transitions. [2024-11-08 12:25:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 12:25:43,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:43,463 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:43,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 12:25:43,464 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:43,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:43,464 INFO L85 PathProgramCache]: Analyzing trace with hash -778072199, now seen corresponding path program 1 times [2024-11-08 12:25:43,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112995329] [2024-11-08 12:25:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:44,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:44,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112995329] [2024-11-08 12:25:44,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112995329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:44,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:44,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896105562] [2024-11-08 12:25:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:44,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:44,826 INFO L87 Difference]: Start difference. First operand 1862 states and 2273 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:45,711 INFO L93 Difference]: Finished difference Result 4689 states and 5700 transitions. [2024-11-08 12:25:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:25:45,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-08 12:25:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:45,723 INFO L225 Difference]: With dead ends: 4689 [2024-11-08 12:25:45,724 INFO L226 Difference]: Without dead ends: 2830 [2024-11-08 12:25:45,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:45,727 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 79 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:45,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 688 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 12:25:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-11-08 12:25:46,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2821. [2024-11-08 12:25:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2586 states have (on average 1.1879350348027842) internal successors, (3072), 2606 states have internal predecessors, (3072), 169 states have call successors, (169), 65 states have call predecessors, (169), 65 states have return successors, (169), 149 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-08 12:25:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3410 transitions. [2024-11-08 12:25:46,097 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3410 transitions. Word has length 191 [2024-11-08 12:25:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:46,098 INFO L471 AbstractCegarLoop]: Abstraction has 2821 states and 3410 transitions. [2024-11-08 12:25:46,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3410 transitions. [2024-11-08 12:25:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 12:25:46,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:46,105 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:46,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 12:25:46,105 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:46,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:46,106 INFO L85 PathProgramCache]: Analyzing trace with hash 718588893, now seen corresponding path program 1 times [2024-11-08 12:25:46,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:46,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834160083] [2024-11-08 12:25:46,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:46,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:47,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:47,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834160083] [2024-11-08 12:25:47,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834160083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:47,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:47,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:25:47,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896602049] [2024-11-08 12:25:47,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:47,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:25:47,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:47,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:25:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:47,566 INFO L87 Difference]: Start difference. First operand 2821 states and 3410 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:49,114 INFO L93 Difference]: Finished difference Result 7404 states and 9027 transitions. [2024-11-08 12:25:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:25:49,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-08 12:25:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:49,134 INFO L225 Difference]: With dead ends: 7404 [2024-11-08 12:25:49,134 INFO L226 Difference]: Without dead ends: 4627 [2024-11-08 12:25:49,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:25:49,140 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 361 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:49,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 892 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 12:25:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2024-11-08 12:25:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 3719. [2024-11-08 12:25:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 3384 states have (on average 1.16903073286052) internal successors, (3956), 3414 states have internal predecessors, (3956), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-08 12:25:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4434 transitions. [2024-11-08 12:25:49,736 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4434 transitions. Word has length 191 [2024-11-08 12:25:49,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:49,736 INFO L471 AbstractCegarLoop]: Abstraction has 3719 states and 4434 transitions. [2024-11-08 12:25:49,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:49,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4434 transitions. [2024-11-08 12:25:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-08 12:25:49,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:49,743 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:49,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 12:25:49,743 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:49,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:49,744 INFO L85 PathProgramCache]: Analyzing trace with hash 153130882, now seen corresponding path program 1 times [2024-11-08 12:25:49,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:49,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965079324] [2024-11-08 12:25:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:52,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:52,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965079324] [2024-11-08 12:25:52,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965079324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:52,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:52,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 12:25:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134535335] [2024-11-08 12:25:52,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:52,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:25:52,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:52,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:25:52,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:25:52,021 INFO L87 Difference]: Start difference. First operand 3719 states and 4434 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:55,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:55,366 INFO L93 Difference]: Finished difference Result 11088 states and 13150 transitions. [2024-11-08 12:25:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:25:55,367 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-08 12:25:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:55,391 INFO L225 Difference]: With dead ends: 11088 [2024-11-08 12:25:55,392 INFO L226 Difference]: Without dead ends: 7413 [2024-11-08 12:25:55,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-08 12:25:55,398 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 335 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:55,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1657 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 12:25:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7413 states. [2024-11-08 12:25:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7413 to 3863. [2024-11-08 12:25:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 3528 states have (on average 1.1689342403628118) internal successors, (4124), 3558 states have internal predecessors, (4124), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-08 12:25:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 4602 transitions. [2024-11-08 12:25:56,003 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 4602 transitions. Word has length 192 [2024-11-08 12:25:56,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:56,005 INFO L471 AbstractCegarLoop]: Abstraction has 3863 states and 4602 transitions. [2024-11-08 12:25:56,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 4602 transitions. [2024-11-08 12:25:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-08 12:25:56,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:56,012 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:56,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 12:25:56,012 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:56,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:56,013 INFO L85 PathProgramCache]: Analyzing trace with hash 427890496, now seen corresponding path program 1 times [2024-11-08 12:25:56,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:56,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641690138] [2024-11-08 12:25:56,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:56,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:25:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:25:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:25:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:25:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:25:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:25:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:25:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:25:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:25:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:25:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:25:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:25:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:25:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:25:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:25:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:25:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:25:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:25:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:25:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:25:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:25:57,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:57,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641690138] [2024-11-08 12:25:57,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641690138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:57,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:57,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:25:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250236343] [2024-11-08 12:25:57,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:57,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:25:57,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:25:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:25:57,648 INFO L87 Difference]: Start difference. First operand 3863 states and 4602 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:58,565 INFO L93 Difference]: Finished difference Result 7426 states and 8859 transitions. [2024-11-08 12:25:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:25:58,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-08 12:25:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:58,579 INFO L225 Difference]: With dead ends: 7426 [2024-11-08 12:25:58,579 INFO L226 Difference]: Without dead ends: 3607 [2024-11-08 12:25:58,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:25:58,586 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 85 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:58,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 706 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:25:58,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-08 12:25:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3605. [2024-11-08 12:25:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 3270 states have (on average 1.1629969418960244) internal successors, (3803), 3300 states have internal predecessors, (3803), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-08 12:25:59,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4281 transitions. [2024-11-08 12:25:59,183 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4281 transitions. Word has length 192 [2024-11-08 12:25:59,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:59,184 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4281 transitions. [2024-11-08 12:25:59,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:25:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4281 transitions. [2024-11-08 12:25:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 12:25:59,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:59,192 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:59,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 12:25:59,192 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:59,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:59,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1834638385, now seen corresponding path program 1 times [2024-11-08 12:25:59,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:59,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611732654] [2024-11-08 12:25:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:00,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:00,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611732654] [2024-11-08 12:26:00,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611732654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:00,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736680194] [2024-11-08 12:26:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:00,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:00,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:26:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:01,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 12:26:01,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:01,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:01,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:01,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:01,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:01,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-08 12:26:01,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2024-11-08 12:26:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-08 12:26:01,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736680194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:02,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:02,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 12] total 22 [2024-11-08 12:26:02,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092794144] [2024-11-08 12:26:02,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:02,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 12:26:02,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:02,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 12:26:02,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:26:02,293 INFO L87 Difference]: Start difference. First operand 3605 states and 4281 transitions. Second operand has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-08 12:26:06,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:06,746 INFO L93 Difference]: Finished difference Result 6080 states and 7198 transitions. [2024-11-08 12:26:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-08 12:26:06,747 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) Word has length 193 [2024-11-08 12:26:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:06,756 INFO L225 Difference]: With dead ends: 6080 [2024-11-08 12:26:06,756 INFO L226 Difference]: Without dead ends: 2519 [2024-11-08 12:26:06,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 424 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-11-08 12:26:06,765 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 825 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 2571 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 2976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 2571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:06,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1101 Invalid, 2976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 2571 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 12:26:06,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2024-11-08 12:26:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1822. [2024-11-08 12:26:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1620 states have (on average 1.1604938271604939) internal successors, (1880), 1631 states have internal predecessors, (1880), 146 states have call successors, (146), 55 states have call predecessors, (146), 55 states have return successors, (146), 135 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-08 12:26:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2172 transitions. [2024-11-08 12:26:07,165 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2172 transitions. Word has length 193 [2024-11-08 12:26:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:07,166 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2172 transitions. [2024-11-08 12:26:07,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 7.2631578947368425) internal successors, (138), 22 states have internal predecessors, (138), 6 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (52), 3 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-08 12:26:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2172 transitions. [2024-11-08 12:26:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:07,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:07,172 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:07,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 12:26:07,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:07,373 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:07,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:07,373 INFO L85 PathProgramCache]: Analyzing trace with hash 437794449, now seen corresponding path program 1 times [2024-11-08 12:26:07,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:07,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250673757] [2024-11-08 12:26:07,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:09,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:09,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250673757] [2024-11-08 12:26:09,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250673757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:09,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:09,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:26:09,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886117163] [2024-11-08 12:26:09,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:09,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:26:09,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:26:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:26:09,781 INFO L87 Difference]: Start difference. First operand 1822 states and 2172 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:26:10,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:10,985 INFO L93 Difference]: Finished difference Result 4342 states and 5163 transitions. [2024-11-08 12:26:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:26:10,985 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-08 12:26:10,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:10,992 INFO L225 Difference]: With dead ends: 4342 [2024-11-08 12:26:10,993 INFO L226 Difference]: Without dead ends: 2576 [2024-11-08 12:26:10,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:26:10,997 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 202 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:10,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 1162 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 12:26:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2024-11-08 12:26:11,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2537. [2024-11-08 12:26:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2260 states have (on average 1.154424778761062) internal successors, (2609), 2277 states have internal predecessors, (2609), 198 states have call successors, (198), 78 states have call predecessors, (198), 78 states have return successors, (198), 181 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-08 12:26:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3005 transitions. [2024-11-08 12:26:11,459 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3005 transitions. Word has length 196 [2024-11-08 12:26:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:11,459 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 3005 transitions. [2024-11-08 12:26:11,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:26:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3005 transitions. [2024-11-08 12:26:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:11,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:11,465 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:11,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 12:26:11,465 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:11,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:11,466 INFO L85 PathProgramCache]: Analyzing trace with hash 44767439, now seen corresponding path program 1 times [2024-11-08 12:26:11,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:11,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029224528] [2024-11-08 12:26:11,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:13,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:13,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029224528] [2024-11-08 12:26:13,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029224528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:13,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:13,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 12:26:13,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740539819] [2024-11-08 12:26:13,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:13,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 12:26:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:13,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 12:26:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:26:13,159 INFO L87 Difference]: Start difference. First operand 2537 states and 3005 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:26:14,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:14,240 INFO L93 Difference]: Finished difference Result 5170 states and 6128 transitions. [2024-11-08 12:26:14,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:26:14,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-08 12:26:14,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:14,250 INFO L225 Difference]: With dead ends: 5170 [2024-11-08 12:26:14,250 INFO L226 Difference]: Without dead ends: 2689 [2024-11-08 12:26:14,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:26:14,255 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 79 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:14,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 990 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:26:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2024-11-08 12:26:14,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2068. [2024-11-08 12:26:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1842 states have (on average 1.1558089033659067) internal successors, (2129), 1855 states have internal predecessors, (2129), 160 states have call successors, (160), 65 states have call predecessors, (160), 65 states have return successors, (160), 147 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-08 12:26:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2449 transitions. [2024-11-08 12:26:14,602 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2449 transitions. Word has length 196 [2024-11-08 12:26:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:14,602 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 2449 transitions. [2024-11-08 12:26:14,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 12:26:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2449 transitions. [2024-11-08 12:26:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:14,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:14,606 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:14,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 12:26:14,607 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:14,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:14,607 INFO L85 PathProgramCache]: Analyzing trace with hash 302932877, now seen corresponding path program 1 times [2024-11-08 12:26:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:14,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126395754] [2024-11-08 12:26:14,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:14,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:15,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:15,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126395754] [2024-11-08 12:26:15,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126395754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:15,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:15,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:26:15,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425373368] [2024-11-08 12:26:15,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:15,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:26:15,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:15,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:26:15,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:26:15,985 INFO L87 Difference]: Start difference. First operand 2068 states and 2449 transitions. Second operand has 7 states, 5 states have (on average 16.8) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 12:26:16,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:16,768 INFO L93 Difference]: Finished difference Result 4079 states and 4826 transitions. [2024-11-08 12:26:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:26:16,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 16.8) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 196 [2024-11-08 12:26:16,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:16,774 INFO L225 Difference]: With dead ends: 4079 [2024-11-08 12:26:16,775 INFO L226 Difference]: Without dead ends: 2067 [2024-11-08 12:26:16,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:26:16,779 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 128 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:16,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 572 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:26:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-08 12:26:16,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1868. [2024-11-08 12:26:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1689 states have (on average 1.1492007104795736) internal successors, (1941), 1698 states have internal predecessors, (1941), 126 states have call successors, (126), 52 states have call predecessors, (126), 52 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-08 12:26:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2193 transitions. [2024-11-08 12:26:16,984 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2193 transitions. Word has length 196 [2024-11-08 12:26:16,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:16,985 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2193 transitions. [2024-11-08 12:26:16,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 16.8) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 12:26:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2193 transitions. [2024-11-08 12:26:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:16,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:16,988 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:16,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 12:26:16,988 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:16,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:16,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1912644680, now seen corresponding path program 1 times [2024-11-08 12:26:16,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:16,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154431613] [2024-11-08 12:26:16,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:16,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:17,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:17,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:17,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:17,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:18,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:18,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154431613] [2024-11-08 12:26:18,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154431613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:18,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949711447] [2024-11-08 12:26:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:18,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:18,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:18,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:18,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:26:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:18,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 12:26:18,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:18,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:18,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:19,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:19,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2024-11-08 12:26:19,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2024-11-08 12:26:19,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:19,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2024-11-08 12:26:19,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2024-11-08 12:26:19,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:19,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 90 [2024-11-08 12:26:19,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2024-11-08 12:26:19,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:19,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 75 [2024-11-08 12:26:19,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:19,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 93 [2024-11-08 12:26:19,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:19,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 144 treesize of output 116 [2024-11-08 12:26:20,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:20,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 169 treesize of output 75 [2024-11-08 12:26:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-08 12:26:20,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:21,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949711447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:21,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:21,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 7] total 19 [2024-11-08 12:26:21,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148760687] [2024-11-08 12:26:21,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:21,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 12:26:21,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:21,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 12:26:21,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-08 12:26:21,444 INFO L87 Difference]: Start difference. First operand 1868 states and 2193 transitions. Second operand has 19 states, 15 states have (on average 11.266666666666667) internal successors, (169), 19 states have internal predecessors, (169), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (59), 3 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 12:26:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:25,274 INFO L93 Difference]: Finished difference Result 4033 states and 4680 transitions. [2024-11-08 12:26:25,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-08 12:26:25,275 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 11.266666666666667) internal successors, (169), 19 states have internal predecessors, (169), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (59), 3 states have call predecessors, (59), 7 states have call successors, (59) Word has length 196 [2024-11-08 12:26:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:25,284 INFO L225 Difference]: With dead ends: 4033 [2024-11-08 12:26:25,284 INFO L226 Difference]: Without dead ends: 1945 [2024-11-08 12:26:25,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 424 SyntacticMatches, 15 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=591, Invalid=2601, Unknown=0, NotChecked=0, Total=3192 [2024-11-08 12:26:25,289 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 527 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:25,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 701 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 12:26:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2024-11-08 12:26:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1085. [2024-11-08 12:26:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 960 states have (on average 1.1322916666666667) internal successors, (1087), 964 states have internal predecessors, (1087), 86 states have call successors, (86), 38 states have call predecessors, (86), 38 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-08 12:26:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1259 transitions. [2024-11-08 12:26:25,541 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1259 transitions. Word has length 196 [2024-11-08 12:26:25,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:25,542 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1259 transitions. [2024-11-08 12:26:25,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 11.266666666666667) internal successors, (169), 19 states have internal predecessors, (169), 7 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (59), 3 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 12:26:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1259 transitions. [2024-11-08 12:26:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:25,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:25,545 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:25,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:25,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-08 12:26:25,746 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:25,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:25,747 INFO L85 PathProgramCache]: Analyzing trace with hash -344242097, now seen corresponding path program 1 times [2024-11-08 12:26:25,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:25,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002001241] [2024-11-08 12:26:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:25,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:25,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002001241] [2024-11-08 12:26:25,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002001241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:25,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:25,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:26:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751902677] [2024-11-08 12:26:25,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:25,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:26:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:25,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:26:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:26:25,957 INFO L87 Difference]: Start difference. First operand 1085 states and 1259 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:26,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:26,205 INFO L93 Difference]: Finished difference Result 1896 states and 2207 transitions. [2024-11-08 12:26:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:26:26,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 196 [2024-11-08 12:26:26,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:26,211 INFO L225 Difference]: With dead ends: 1896 [2024-11-08 12:26:26,211 INFO L226 Difference]: Without dead ends: 871 [2024-11-08 12:26:26,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:26:26,214 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:26,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 486 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:26:26,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-08 12:26:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2024-11-08 12:26:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 746 states have (on average 1.1246648793565683) internal successors, (839), 750 states have internal predecessors, (839), 86 states have call successors, (86), 38 states have call predecessors, (86), 38 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-08 12:26:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1011 transitions. [2024-11-08 12:26:26,440 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1011 transitions. Word has length 196 [2024-11-08 12:26:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:26,444 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1011 transitions. [2024-11-08 12:26:26,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1011 transitions. [2024-11-08 12:26:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:26,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:26,446 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:26,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 12:26:26,447 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:26,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1928969272, now seen corresponding path program 1 times [2024-11-08 12:26:26,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:26,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507258574] [2024-11-08 12:26:26,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:27,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:27,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507258574] [2024-11-08 12:26:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507258574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899885070] [2024-11-08 12:26:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:27,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:27,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:26:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:28,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 12:26:28,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:28,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:28,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 23 [2024-11-08 12:26:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-08 12:26:28,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:29,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899885070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:29,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:29,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 16 [2024-11-08 12:26:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779001366] [2024-11-08 12:26:29,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:29,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 12:26:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 12:26:29,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-08 12:26:29,192 INFO L87 Difference]: Start difference. First operand 871 states and 1011 transitions. Second operand has 16 states, 12 states have (on average 10.166666666666666) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (55), 3 states have call predecessors, (55), 7 states have call successors, (55) [2024-11-08 12:26:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:30,892 INFO L93 Difference]: Finished difference Result 1296 states and 1495 transitions. [2024-11-08 12:26:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:26:30,893 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 10.166666666666666) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (55), 3 states have call predecessors, (55), 7 states have call successors, (55) Word has length 196 [2024-11-08 12:26:30,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:30,897 INFO L225 Difference]: With dead ends: 1296 [2024-11-08 12:26:30,897 INFO L226 Difference]: Without dead ends: 485 [2024-11-08 12:26:30,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 429 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=1109, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 12:26:30,899 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 242 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:30,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 590 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 12:26:30,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-08 12:26:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 431. [2024-11-08 12:26:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 349 states have (on average 1.0945558739255015) internal successors, (382), 351 states have internal predecessors, (382), 52 states have call successors, (52), 29 states have call predecessors, (52), 29 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 12:26:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 486 transitions. [2024-11-08 12:26:31,035 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 486 transitions. Word has length 196 [2024-11-08 12:26:31,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:31,035 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 486 transitions. [2024-11-08 12:26:31,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 10.166666666666666) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (55), 3 states have call predecessors, (55), 7 states have call successors, (55) [2024-11-08 12:26:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 486 transitions. [2024-11-08 12:26:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 12:26:31,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:31,037 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:31,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:26:31,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-08 12:26:31,242 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:31,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:31,243 INFO L85 PathProgramCache]: Analyzing trace with hash 949654600, now seen corresponding path program 1 times [2024-11-08 12:26:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194143288] [2024-11-08 12:26:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:31,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:32,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:32,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194143288] [2024-11-08 12:26:32,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194143288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:32,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656120407] [2024-11-08 12:26:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:32,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:32,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:32,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:32,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:26:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:32,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 12:26:32,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:32,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 12:26:32,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 12:26:32,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 12:26:32,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-08 12:26:32,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-11-08 12:26:32,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-11-08 12:26:32,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2024-11-08 12:26:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-08 12:26:33,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:33,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656120407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:33,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:33,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 16 [2024-11-08 12:26:33,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740833055] [2024-11-08 12:26:33,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:33,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 12:26:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:33,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 12:26:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-08 12:26:33,518 INFO L87 Difference]: Start difference. First operand 431 states and 486 transitions. Second operand has 16 states, 13 states have (on average 7.923076923076923) internal successors, (103), 16 states have internal predecessors, (103), 5 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-08 12:26:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:34,898 INFO L93 Difference]: Finished difference Result 673 states and 759 transitions. [2024-11-08 12:26:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:26:34,899 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 7.923076923076923) internal successors, (103), 16 states have internal predecessors, (103), 5 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 5 states have call successors, (33) Word has length 196 [2024-11-08 12:26:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:34,901 INFO L225 Difference]: With dead ends: 673 [2024-11-08 12:26:34,901 INFO L226 Difference]: Without dead ends: 306 [2024-11-08 12:26:34,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 428 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2024-11-08 12:26:34,903 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 91 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:34,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 683 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 12:26:34,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-08 12:26:34,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 284. [2024-11-08 12:26:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 225 states have (on average 1.08) internal successors, (243), 226 states have internal predecessors, (243), 38 states have call successors, (38), 20 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 319 transitions. [2024-11-08 12:26:34,970 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 319 transitions. Word has length 196 [2024-11-08 12:26:34,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:34,970 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 319 transitions. [2024-11-08 12:26:34,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 7.923076923076923) internal successors, (103), 16 states have internal predecessors, (103), 5 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-08 12:26:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 319 transitions. [2024-11-08 12:26:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 12:26:34,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:34,973 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:35,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:35,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-08 12:26:35,174 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:35,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1900384675, now seen corresponding path program 1 times [2024-11-08 12:26:35,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:35,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453150947] [2024-11-08 12:26:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:36,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453150947] [2024-11-08 12:26:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453150947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:36,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:36,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:26:36,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531258184] [2024-11-08 12:26:36,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:36,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:26:36,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:36,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:26:36,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:36,083 INFO L87 Difference]: Start difference. First operand 284 states and 319 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:36,565 INFO L93 Difference]: Finished difference Result 498 states and 562 transitions. [2024-11-08 12:26:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:36,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 198 [2024-11-08 12:26:36,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:36,569 INFO L225 Difference]: With dead ends: 498 [2024-11-08 12:26:36,570 INFO L226 Difference]: Without dead ends: 284 [2024-11-08 12:26:36,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:26:36,571 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 172 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:36,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 212 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:26:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-08 12:26:36,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-08 12:26:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 225 states have (on average 1.0755555555555556) internal successors, (242), 226 states have internal predecessors, (242), 38 states have call successors, (38), 20 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 318 transitions. [2024-11-08 12:26:36,693 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 318 transitions. Word has length 198 [2024-11-08 12:26:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:36,694 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 318 transitions. [2024-11-08 12:26:36,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 318 transitions. [2024-11-08 12:26:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-08 12:26:36,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:36,696 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:36,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-08 12:26:36,697 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:36,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:36,697 INFO L85 PathProgramCache]: Analyzing trace with hash -643419224, now seen corresponding path program 1 times [2024-11-08 12:26:36,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:36,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619403700] [2024-11-08 12:26:36,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:38,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:38,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619403700] [2024-11-08 12:26:38,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619403700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:38,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:38,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:26:38,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91480461] [2024-11-08 12:26:38,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:38,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:26:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:38,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:26:38,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:26:38,796 INFO L87 Difference]: Start difference. First operand 284 states and 318 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:40,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:40,476 INFO L93 Difference]: Finished difference Result 672 states and 753 transitions. [2024-11-08 12:26:40,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:26:40,476 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 200 [2024-11-08 12:26:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:40,479 INFO L225 Difference]: With dead ends: 672 [2024-11-08 12:26:40,479 INFO L226 Difference]: Without dead ends: 458 [2024-11-08 12:26:40,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:26:40,480 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 78 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:40,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1105 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 12:26:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-08 12:26:40,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 455. [2024-11-08 12:26:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 369 states have (on average 1.084010840108401) internal successors, (400), 371 states have internal predecessors, (400), 54 states have call successors, (54), 31 states have call predecessors, (54), 31 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 12:26:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 508 transitions. [2024-11-08 12:26:40,669 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 508 transitions. Word has length 200 [2024-11-08 12:26:40,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:40,669 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 508 transitions. [2024-11-08 12:26:40,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 508 transitions. [2024-11-08 12:26:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-08 12:26:40,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:40,672 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:40,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-08 12:26:40,672 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:40,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:40,672 INFO L85 PathProgramCache]: Analyzing trace with hash 36639146, now seen corresponding path program 1 times [2024-11-08 12:26:40,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:40,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828374520] [2024-11-08 12:26:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:40,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:41,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:41,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828374520] [2024-11-08 12:26:41,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828374520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:41,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:41,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:26:41,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037142304] [2024-11-08 12:26:41,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:41,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:26:41,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:26:41,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:26:41,611 INFO L87 Difference]: Start difference. First operand 455 states and 508 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:42,293 INFO L93 Difference]: Finished difference Result 845 states and 943 transitions. [2024-11-08 12:26:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:26:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 200 [2024-11-08 12:26:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:42,298 INFO L225 Difference]: With dead ends: 845 [2024-11-08 12:26:42,298 INFO L226 Difference]: Without dead ends: 460 [2024-11-08 12:26:42,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:42,300 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 74 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:42,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 363 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:26:42,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-08 12:26:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 451. [2024-11-08 12:26:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 365 states have (on average 1.0794520547945206) internal successors, (394), 367 states have internal predecessors, (394), 54 states have call successors, (54), 31 states have call predecessors, (54), 31 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 12:26:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 502 transitions. [2024-11-08 12:26:42,446 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 502 transitions. Word has length 200 [2024-11-08 12:26:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:42,447 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 502 transitions. [2024-11-08 12:26:42,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 502 transitions. [2024-11-08 12:26:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-08 12:26:42,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:42,448 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:42,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-08 12:26:42,448 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:42,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash -395272730, now seen corresponding path program 1 times [2024-11-08 12:26:42,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473093261] [2024-11-08 12:26:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:43,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473093261] [2024-11-08 12:26:43,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473093261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:43,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:43,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:26:43,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080438945] [2024-11-08 12:26:43,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:43,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:26:43,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:43,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:26:43,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:26:43,407 INFO L87 Difference]: Start difference. First operand 451 states and 502 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:44,051 INFO L93 Difference]: Finished difference Result 839 states and 933 transitions. [2024-11-08 12:26:44,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:26:44,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 200 [2024-11-08 12:26:44,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:44,054 INFO L225 Difference]: With dead ends: 839 [2024-11-08 12:26:44,054 INFO L226 Difference]: Without dead ends: 458 [2024-11-08 12:26:44,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:44,055 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 73 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:44,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 617 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 12:26:44,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-08 12:26:44,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 370. [2024-11-08 12:26:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 310 states have (on average 1.0806451612903225) internal successors, (335), 311 states have internal predecessors, (335), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 411 transitions. [2024-11-08 12:26:44,149 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 411 transitions. Word has length 200 [2024-11-08 12:26:44,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:44,150 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 411 transitions. [2024-11-08 12:26:44,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 411 transitions. [2024-11-08 12:26:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-08 12:26:44,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:44,151 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:44,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-08 12:26:44,151 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:44,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:44,152 INFO L85 PathProgramCache]: Analyzing trace with hash 284785640, now seen corresponding path program 1 times [2024-11-08 12:26:44,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:44,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462755274] [2024-11-08 12:26:44,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:44,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:45,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:45,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462755274] [2024-11-08 12:26:45,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462755274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:45,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:45,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 12:26:45,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20672848] [2024-11-08 12:26:45,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:45,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:26:45,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:45,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:26:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:26:45,066 INFO L87 Difference]: Start difference. First operand 370 states and 411 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:46,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:46,093 INFO L93 Difference]: Finished difference Result 810 states and 902 transitions. [2024-11-08 12:26:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:26:46,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 200 [2024-11-08 12:26:46,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:46,096 INFO L225 Difference]: With dead ends: 810 [2024-11-08 12:26:46,097 INFO L226 Difference]: Without dead ends: 510 [2024-11-08 12:26:46,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:26:46,098 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 107 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:46,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1710 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:26:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-08 12:26:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 366. [2024-11-08 12:26:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 306 states have (on average 1.0784313725490196) internal successors, (330), 307 states have internal predecessors, (330), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 406 transitions. [2024-11-08 12:26:46,238 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 406 transitions. Word has length 200 [2024-11-08 12:26:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:46,238 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 406 transitions. [2024-11-08 12:26:46,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 406 transitions. [2024-11-08 12:26:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-08 12:26:46,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:46,241 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:46,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-08 12:26:46,241 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:46,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1343200614, now seen corresponding path program 1 times [2024-11-08 12:26:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:46,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527802168] [2024-11-08 12:26:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:47,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:47,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527802168] [2024-11-08 12:26:47,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527802168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:47,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:47,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:26:47,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540625494] [2024-11-08 12:26:47,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:47,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:26:47,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:47,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:26:47,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:26:47,150 INFO L87 Difference]: Start difference. First operand 366 states and 406 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:48,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:48,374 INFO L93 Difference]: Finished difference Result 580 states and 642 transitions. [2024-11-08 12:26:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:26:48,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 202 [2024-11-08 12:26:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:48,377 INFO L225 Difference]: With dead ends: 580 [2024-11-08 12:26:48,377 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 12:26:48,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:26:48,378 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 145 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:48,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1227 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 12:26:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 12:26:48,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 427. [2024-11-08 12:26:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 367 states have (on average 1.0735694822888284) internal successors, (394), 368 states have internal predecessors, (394), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 470 transitions. [2024-11-08 12:26:48,543 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 470 transitions. Word has length 202 [2024-11-08 12:26:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:48,543 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 470 transitions. [2024-11-08 12:26:48,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 470 transitions. [2024-11-08 12:26:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 12:26:48,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:48,545 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:48,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-08 12:26:48,545 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:48,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1486942658, now seen corresponding path program 1 times [2024-11-08 12:26:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930206098] [2024-11-08 12:26:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:49,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:50,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:50,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930206098] [2024-11-08 12:26:50,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930206098] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:50,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052037050] [2024-11-08 12:26:50,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:50,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:50,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:50,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:50,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:26:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 12:26:50,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:50,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:26:50,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2024-11-08 12:26:50,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2024-11-08 12:26:50,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2024-11-08 12:26:51,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2024-11-08 12:26:51,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:51,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 90 [2024-11-08 12:26:51,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2024-11-08 12:26:51,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:51,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 75 [2024-11-08 12:26:51,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:51,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 84 [2024-11-08 12:26:51,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:26:51,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 87 [2024-11-08 12:26:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 508 proven. 39 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-08 12:26:51,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:26:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052037050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:26:52,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:26:52,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 17 [2024-11-08 12:26:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702875306] [2024-11-08 12:26:52,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:26:52,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 12:26:52,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 12:26:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 12:26:52,377 INFO L87 Difference]: Start difference. First operand 427 states and 470 transitions. Second operand has 17 states, 14 states have (on average 9.0) internal successors, (126), 17 states have internal predecessors, (126), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-08 12:26:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:54,988 INFO L93 Difference]: Finished difference Result 965 states and 1064 transitions. [2024-11-08 12:26:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-08 12:26:54,989 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 9.0) internal successors, (126), 17 states have internal predecessors, (126), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) Word has length 204 [2024-11-08 12:26:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:54,992 INFO L225 Difference]: With dead ends: 965 [2024-11-08 12:26:54,992 INFO L226 Difference]: Without dead ends: 608 [2024-11-08 12:26:54,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 443 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2024-11-08 12:26:54,993 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 287 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:54,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 650 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 12:26:54,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-08 12:26:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 322. [2024-11-08 12:26:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.0610687022900764) internal successors, (278), 263 states have internal predecessors, (278), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 354 transitions. [2024-11-08 12:26:55,088 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 354 transitions. Word has length 204 [2024-11-08 12:26:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:55,088 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 354 transitions. [2024-11-08 12:26:55,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 9.0) internal successors, (126), 17 states have internal predecessors, (126), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-08 12:26:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 354 transitions. [2024-11-08 12:26:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 12:26:55,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:55,090 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:55,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 12:26:55,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-08 12:26:55,291 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:55,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:55,291 INFO L85 PathProgramCache]: Analyzing trace with hash 424161791, now seen corresponding path program 1 times [2024-11-08 12:26:55,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:55,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688702325] [2024-11-08 12:26:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:55,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:56,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:56,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688702325] [2024-11-08 12:26:56,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688702325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:56,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:56,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 12:26:56,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396182050] [2024-11-08 12:26:56,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:56,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 12:26:56,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:56,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 12:26:56,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:26:56,181 INFO L87 Difference]: Start difference. First operand 322 states and 354 transitions. Second operand has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:57,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:57,851 INFO L93 Difference]: Finished difference Result 517 states and 565 transitions. [2024-11-08 12:26:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:26:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 204 [2024-11-08 12:26:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:57,855 INFO L225 Difference]: With dead ends: 517 [2024-11-08 12:26:57,856 INFO L226 Difference]: Without dead ends: 515 [2024-11-08 12:26:57,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2024-11-08 12:26:57,857 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 138 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:57,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1681 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 12:26:57,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-08 12:26:57,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 385. [2024-11-08 12:26:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 325 states have (on average 1.0615384615384615) internal successors, (345), 326 states have internal predecessors, (345), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 421 transitions. [2024-11-08 12:26:57,943 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 421 transitions. Word has length 204 [2024-11-08 12:26:57,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:57,943 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 421 transitions. [2024-11-08 12:26:57,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 421 transitions. [2024-11-08 12:26:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 12:26:57,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:57,945 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:57,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-08 12:26:57,945 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:57,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:57,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2095798143, now seen corresponding path program 1 times [2024-11-08 12:26:57,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:57,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066727825] [2024-11-08 12:26:57,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:57,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 12:26:58,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:58,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066727825] [2024-11-08 12:26:58,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066727825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:58,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:58,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:26:58,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929858067] [2024-11-08 12:26:58,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:58,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:26:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:26:58,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:26:58,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:26:58,263 INFO L87 Difference]: Start difference. First operand 385 states and 421 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:58,488 INFO L93 Difference]: Finished difference Result 700 states and 766 transitions. [2024-11-08 12:26:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:26:58,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 204 [2024-11-08 12:26:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:58,491 INFO L225 Difference]: With dead ends: 700 [2024-11-08 12:26:58,491 INFO L226 Difference]: Without dead ends: 385 [2024-11-08 12:26:58,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:58,492 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 48 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:58,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 315 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:26:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-08 12:26:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-08 12:26:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 325 states have (on average 1.0553846153846154) internal successors, (343), 326 states have internal predecessors, (343), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 12:26:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 419 transitions. [2024-11-08 12:26:58,563 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 419 transitions. Word has length 204 [2024-11-08 12:26:58,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:58,564 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 419 transitions. [2024-11-08 12:26:58,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 12:26:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 419 transitions. [2024-11-08 12:26:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 12:26:58,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:58,565 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:58,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-08 12:26:58,565 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1136437567, now seen corresponding path program 1 times [2024-11-08 12:26:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:26:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221435037] [2024-11-08 12:26:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:26:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 12:26:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 12:26:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:26:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:26:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:26:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:26:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:26:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 12:26:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 12:26:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:26:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:26:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:26:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:26:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 12:26:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:26:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:26:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 12:26:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 12:26:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 12:26:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 12:26:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:26:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 12:26:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 12:26:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:26:59,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:26:59,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221435037] [2024-11-08 12:26:59,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221435037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:26:59,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779916615] [2024-11-08 12:26:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:59,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:26:59,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:26:59,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:26:59,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:27:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:00,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 12:27:00,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:00,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 12:27:00,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-08 12:27:00,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2024-11-08 12:27:00,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:00,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 79 [2024-11-08 12:27:00,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:00,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 39 [2024-11-08 12:27:00,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:00,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 53 [2024-11-08 12:27:01,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:01,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 71 [2024-11-08 12:27:01,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:01,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 100 [2024-11-08 12:27:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 508 proven. 39 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-08 12:27:01,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:27:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-08 12:27:01,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779916615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:27:01,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:27:01,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 9] total 20 [2024-11-08 12:27:01,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273200531] [2024-11-08 12:27:01,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:27:01,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 12:27:01,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:01,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 12:27:01,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-08 12:27:01,813 INFO L87 Difference]: Start difference. First operand 385 states and 419 transitions. Second operand has 20 states, 17 states have (on average 7.647058823529412) internal successors, (130), 20 states have internal predecessors, (130), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-08 12:27:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:27:03,978 INFO L93 Difference]: Finished difference Result 745 states and 812 transitions. [2024-11-08 12:27:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:27:03,979 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.647058823529412) internal successors, (130), 20 states have internal predecessors, (130), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) Word has length 204 [2024-11-08 12:27:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:27:03,981 INFO L225 Difference]: With dead ends: 745 [2024-11-08 12:27:03,982 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 12:27:03,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 446 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 12:27:03,983 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 605 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:27:03,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 470 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 12:27:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 12:27:03,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 12:27:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:27:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 12:27:03,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-11-08 12:27:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:27:03,987 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 12:27:03,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.647058823529412) internal successors, (130), 20 states have internal predecessors, (130), 5 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-08 12:27:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 12:27:03,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 12:27:03,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:27:04,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 12:27:04,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc528bd-e499-42ec-a7b9-a0e15db31ad6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:04,200 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:04,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 12:27:23,062 WARN L286 SmtUtils]: Spent 18.84s on a formula simplification. DAG size of input: 222 DAG size of output: 220 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)