./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.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_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/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_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/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_185e7d81-3516-41b0-8db6-662b779727d0/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 760c1d743f5a1ad25ea52dedd60162abae8ccc16a1aae8053ec51960a678eda5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:13:46,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:13:46,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:13:46,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:13:46,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:13:46,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:13:46,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:13:46,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:13:46,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:13:46,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:13:46,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:13:46,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:13:46,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:13:46,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:13:46,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:13:46,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:13:46,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:13:46,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:13:46,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:13:46,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:13:46,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:13:46,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:13:46,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:13:46,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:13:46,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:13:46,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:13:46,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:13:46,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:13:46,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:13:46,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:13:46,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:13:46,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:13:46,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:13:46,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:13:46,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:13:46,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:13:46,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:13:46,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:13:46,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:13:46,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:13:46,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:13:46,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:13:46,820 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_185e7d81-3516-41b0-8db6-662b779727d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760c1d743f5a1ad25ea52dedd60162abae8ccc16a1aae8053ec51960a678eda5 [2024-11-08 18:13:47,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:13:47,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:13:47,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:13:47,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:13:47,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:13:47,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.i Unable to find full path for "g++" [2024-11-08 18:13:49,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:13:49,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:13:49,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.i [2024-11-08 18:13:49,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/data/14b7ff002/498dd8136f4e4edc99612864971d4e84/FLAGf90c71e9a [2024-11-08 18:13:49,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/data/14b7ff002/498dd8136f4e4edc99612864971d4e84 [2024-11-08 18:13:49,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:13:49,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:13:49,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:13:49,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:13:49,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:13:49,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:49" (1/1) ... [2024-11-08 18:13:49,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f87af1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:49, skipping insertion in model container [2024-11-08 18:13:49,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:49" (1/1) ... [2024-11-08 18:13:49,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:13:49,937 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_185e7d81-3516-41b0-8db6-662b779727d0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.i[917,930] [2024-11-08 18:13:50,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:13:50,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:13:50,031 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_185e7d81-3516-41b0-8db6-662b779727d0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-53.i[917,930] [2024-11-08 18:13:50,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:13:50,102 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:13:50,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50 WrapperNode [2024-11-08 18:13:50,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:13:50,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:13:50,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:13:50,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:13:50,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,187 INFO L138 Inliner]: procedures = 30, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 501 [2024-11-08 18:13:50,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:13:50,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:13:50,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:13:50,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:13:50,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,214 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 18:13:50,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:13:50,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:13:50,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:13:50,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:13:50,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (1/1) ... [2024-11-08 18:13:50,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:13:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:13:50,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:13:50,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:13:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:13:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 18:13:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 18:13:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 18:13:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 18:13:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 18:13:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 18:13:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:13:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:13:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:13:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:13:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:13:50,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:13:50,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:13:51,319 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-08 18:13:51,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:13:51,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:13:51,345 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:13:51,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:51 BoogieIcfgContainer [2024-11-08 18:13:51,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:13:51,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:13:51,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:13:51,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:13:51,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:13:49" (1/3) ... [2024-11-08 18:13:51,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad29360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:51, skipping insertion in model container [2024-11-08 18:13:51,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:50" (2/3) ... [2024-11-08 18:13:51,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad29360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:51, skipping insertion in model container [2024-11-08 18:13:51,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:51" (3/3) ... [2024-11-08 18:13:51,358 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-53.i [2024-11-08 18:13:51,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:13:51,376 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:13:51,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:13:51,467 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;@48c9740d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:13:51,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:13:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:13:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:13:51,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:51,487 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:51,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:51,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:51,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2067378053, now seen corresponding path program 1 times [2024-11-08 18:13:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:13:51,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34662981] [2024-11-08 18:13:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:13:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:13:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:13:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:13:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:13:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:13:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:13:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:13:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:13:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:13:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:13:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:13:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:13:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:13:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:13:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:13:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:13:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:13:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:13:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:13:52,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:13:52,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34662981] [2024-11-08 18:13:52,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34662981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:13:52,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:13:52,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:13:52,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597213261] [2024-11-08 18:13:52,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:52,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:13:52,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:13:52,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:13:52,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:13:52,073 INFO L87 Difference]: Start difference. First operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:13:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:52,112 INFO L93 Difference]: Finished difference Result 217 states and 340 transitions. [2024-11-08 18:13:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:13:52,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-11-08 18:13:52,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:13:52,129 INFO L225 Difference]: With dead ends: 217 [2024-11-08 18:13:52,131 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 18:13:52,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 18:13:52,140 INFO L432 NwaCegarLoop]: 155 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, 155 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 18:13:52,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:13:52,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 18:13:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-08 18:13:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:13:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-11-08 18:13:52,187 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 140 [2024-11-08 18:13:52,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:13:52,187 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-11-08 18:13:52,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:13:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-11-08 18:13:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:13:52,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:52,191 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:52,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:13:52,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:52,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash -916448795, now seen corresponding path program 1 times [2024-11-08 18:13:52,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:13:52,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294381726] [2024-11-08 18:13:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:13:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:13:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:13:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:13:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:13:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:13:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:13:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:13:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:13:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:13:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:13:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:13:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:13:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:13:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:13:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:13:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:13:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:13:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:13:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:13:53,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:13:53,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294381726] [2024-11-08 18:13:53,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294381726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:13:53,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:13:53,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:13:53,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796782065] [2024-11-08 18:13:53,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:53,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:13:53,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:13:53,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:13:53,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:13:53,278 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:13:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:53,327 INFO L93 Difference]: Finished difference Result 213 states and 307 transitions. [2024-11-08 18:13:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:13:53,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 140 [2024-11-08 18:13:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:13:53,330 INFO L225 Difference]: With dead ends: 213 [2024-11-08 18:13:53,330 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 18:13:53,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:13:53,335 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:13:53,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:13:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 18:13:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-08 18:13:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:13:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-11-08 18:13:53,360 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 140 [2024-11-08 18:13:53,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:13:53,362 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-11-08 18:13:53,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:13:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-08 18:13:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:13:53,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:53,368 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:53,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:13:53,369 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:53,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:53,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1937517149, now seen corresponding path program 1 times [2024-11-08 18:13:53,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:13:53,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675855668] [2024-11-08 18:13:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:13:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:13:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:13:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:13:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:13:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:13:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:13:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:13:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:13:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:13:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:13:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:13:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:13:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:13:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:13:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:13:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:13:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:13:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:13:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:13:58,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:13:58,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675855668] [2024-11-08 18:13:58,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675855668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:13:58,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:13:58,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:13:58,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827152068] [2024-11-08 18:13:58,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:58,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:13:58,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:13:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:13:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:13:58,793 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:13:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:59,995 INFO L93 Difference]: Finished difference Result 266 states and 381 transitions. [2024-11-08 18:13:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:13:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 140 [2024-11-08 18:13:59,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:00,000 INFO L225 Difference]: With dead ends: 266 [2024-11-08 18:14:00,000 INFO L226 Difference]: Without dead ends: 161 [2024-11-08 18:14:00,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:14:00,002 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 340 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:00,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 508 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:14:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-08 18:14:00,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2024-11-08 18:14:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:14:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 181 transitions. [2024-11-08 18:14:00,029 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 181 transitions. Word has length 140 [2024-11-08 18:14:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:00,030 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 181 transitions. [2024-11-08 18:14:00,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:14:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2024-11-08 18:14:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:14:00,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:00,033 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:00,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:14:00,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:00,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:00,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1236452571, now seen corresponding path program 1 times [2024-11-08 18:14:00,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:00,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752773394] [2024-11-08 18:14:00,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:08,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:08,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752773394] [2024-11-08 18:14:08,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752773394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:14:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679889307] [2024-11-08 18:14:08,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:08,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:14:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:08,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:14:08,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:14:08,512 INFO L87 Difference]: Start difference. First operand 126 states and 181 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:10,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:10,307 INFO L93 Difference]: Finished difference Result 356 states and 511 transitions. [2024-11-08 18:14:10,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:14:10,308 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 140 [2024-11-08 18:14:10,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:10,310 INFO L225 Difference]: With dead ends: 356 [2024-11-08 18:14:10,310 INFO L226 Difference]: Without dead ends: 233 [2024-11-08 18:14:10,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:14:10,312 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 313 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:10,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 502 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 18:14:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-08 18:14:10,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 227. [2024-11-08 18:14:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 188 states have (on average 1.3563829787234043) internal successors, (255), 188 states have internal predecessors, (255), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:14:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 327 transitions. [2024-11-08 18:14:10,368 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 327 transitions. Word has length 140 [2024-11-08 18:14:10,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:10,369 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 327 transitions. [2024-11-08 18:14:10,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2024-11-08 18:14:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:14:10,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:10,373 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:10,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:14:10,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:10,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -890460150, now seen corresponding path program 1 times [2024-11-08 18:14:10,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:10,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454352398] [2024-11-08 18:14:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:10,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:15,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:15,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454352398] [2024-11-08 18:14:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454352398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:15,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:15,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:14:15,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220312887] [2024-11-08 18:14:15,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:15,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:14:15,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:15,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:14:15,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:14:15,151 INFO L87 Difference]: Start difference. First operand 227 states and 327 transitions. Second operand has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:16,199 INFO L93 Difference]: Finished difference Result 352 states and 508 transitions. [2024-11-08 18:14:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:14:16,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2024-11-08 18:14:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:16,202 INFO L225 Difference]: With dead ends: 352 [2024-11-08 18:14:16,202 INFO L226 Difference]: Without dead ends: 229 [2024-11-08 18:14:16,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:14:16,204 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 276 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:16,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 336 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:14:16,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-08 18:14:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2024-11-08 18:14:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 172 states have (on average 1.3372093023255813) internal successors, (230), 172 states have internal predecessors, (230), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:14:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 302 transitions. [2024-11-08 18:14:16,265 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 302 transitions. Word has length 142 [2024-11-08 18:14:16,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:16,266 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 302 transitions. [2024-11-08 18:14:16,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 302 transitions. [2024-11-08 18:14:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:14:16,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:16,269 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:16,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:14:16,269 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:16,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:16,270 INFO L85 PathProgramCache]: Analyzing trace with hash -189395572, now seen corresponding path program 1 times [2024-11-08 18:14:16,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:16,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607015550] [2024-11-08 18:14:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:16,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:23,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607015550] [2024-11-08 18:14:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607015550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 18:14:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41883690] [2024-11-08 18:14:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:14:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:14:23,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:14:23,288 INFO L87 Difference]: Start difference. First operand 211 states and 302 transitions. Second operand has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:26,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:26,315 INFO L93 Difference]: Finished difference Result 388 states and 549 transitions. [2024-11-08 18:14:26,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:14:26,315 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2024-11-08 18:14:26,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:26,317 INFO L225 Difference]: With dead ends: 388 [2024-11-08 18:14:26,318 INFO L226 Difference]: Without dead ends: 281 [2024-11-08 18:14:26,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:14:26,319 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 242 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:26,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 709 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:14:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-08 18:14:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 276. [2024-11-08 18:14:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 231 states have (on average 1.341991341991342) internal successors, (310), 233 states have internal predecessors, (310), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:14:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 390 transitions. [2024-11-08 18:14:26,397 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 390 transitions. Word has length 142 [2024-11-08 18:14:26,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:26,398 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 390 transitions. [2024-11-08 18:14:26,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 390 transitions. [2024-11-08 18:14:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:14:26,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:26,400 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:26,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:14:26,401 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:26,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:26,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1196359270, now seen corresponding path program 1 times [2024-11-08 18:14:26,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:26,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825959980] [2024-11-08 18:14:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:26,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:26,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825959980] [2024-11-08 18:14:26,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825959980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:26,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:26,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:14:26,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391484981] [2024-11-08 18:14:26,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:26,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:14:26,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:26,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:14:26,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:14:26,811 INFO L87 Difference]: Start difference. First operand 276 states and 390 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:26,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:26,896 INFO L93 Difference]: Finished difference Result 540 states and 767 transitions. [2024-11-08 18:14:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:14:26,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-08 18:14:26,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:26,901 INFO L225 Difference]: With dead ends: 540 [2024-11-08 18:14:26,901 INFO L226 Difference]: Without dead ends: 276 [2024-11-08 18:14:26,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:14:26,904 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:26,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:14:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-08 18:14:26,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-08 18:14:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 231 states have (on average 1.329004329004329) internal successors, (307), 233 states have internal predecessors, (307), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:14:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 387 transitions. [2024-11-08 18:14:26,997 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 387 transitions. Word has length 145 [2024-11-08 18:14:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:26,998 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 387 transitions. [2024-11-08 18:14:26,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 387 transitions. [2024-11-08 18:14:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:14:27,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:27,002 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:27,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:14:27,002 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:27,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1783165284, now seen corresponding path program 1 times [2024-11-08 18:14:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478957240] [2024-11-08 18:14:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:30,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:30,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478957240] [2024-11-08 18:14:30,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478957240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:30,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:30,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:14:30,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406708499] [2024-11-08 18:14:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:30,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:14:30,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:30,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:14:30,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:14:30,095 INFO L87 Difference]: Start difference. First operand 276 states and 387 transitions. Second operand has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 14 states have internal predecessors, (58), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:14:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:31,286 INFO L93 Difference]: Finished difference Result 658 states and 919 transitions. [2024-11-08 18:14:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:14:31,287 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 14 states have internal predecessors, (58), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 145 [2024-11-08 18:14:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:31,290 INFO L225 Difference]: With dead ends: 658 [2024-11-08 18:14:31,290 INFO L226 Difference]: Without dead ends: 394 [2024-11-08 18:14:31,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:14:31,293 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 302 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:31,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 607 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:14:31,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-08 18:14:31,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 311. [2024-11-08 18:14:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 266 states have (on average 1.3157894736842106) internal successors, (350), 268 states have internal predecessors, (350), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:14:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 430 transitions. [2024-11-08 18:14:31,386 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 430 transitions. Word has length 145 [2024-11-08 18:14:31,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:31,387 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 430 transitions. [2024-11-08 18:14:31,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 14 states have internal predecessors, (58), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:14:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 430 transitions. [2024-11-08 18:14:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 18:14:31,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:31,389 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:31,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:14:31,390 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:31,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1278741251, now seen corresponding path program 1 times [2024-11-08 18:14:31,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866009153] [2024-11-08 18:14:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:31,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:36,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866009153] [2024-11-08 18:14:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866009153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:36,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 18:14:36,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846837702] [2024-11-08 18:14:36,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:36,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:14:36,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:36,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:14:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:14:36,750 INFO L87 Difference]: Start difference. First operand 311 states and 430 transitions. Second operand has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:39,505 INFO L93 Difference]: Finished difference Result 767 states and 1065 transitions. [2024-11-08 18:14:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:14:39,505 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 146 [2024-11-08 18:14:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:39,510 INFO L225 Difference]: With dead ends: 767 [2024-11-08 18:14:39,510 INFO L226 Difference]: Without dead ends: 468 [2024-11-08 18:14:39,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:14:39,512 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 215 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:39,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 993 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:14:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-08 18:14:39,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 446. [2024-11-08 18:14:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 382 states have (on average 1.324607329842932) internal successors, (506), 384 states have internal predecessors, (506), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:14:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 622 transitions. [2024-11-08 18:14:39,686 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 622 transitions. Word has length 146 [2024-11-08 18:14:39,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:39,687 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 622 transitions. [2024-11-08 18:14:39,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:14:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 622 transitions. [2024-11-08 18:14:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 18:14:39,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:39,690 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:39,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:14:39,691 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:39,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:39,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1979805829, now seen corresponding path program 1 times [2024-11-08 18:14:39,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:39,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91586260] [2024-11-08 18:14:39,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:39,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:40,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:40,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91586260] [2024-11-08 18:14:40,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91586260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:40,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:40,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:14:40,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319045654] [2024-11-08 18:14:40,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:40,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:14:40,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:40,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:14:40,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:14:40,391 INFO L87 Difference]: Start difference. First operand 446 states and 622 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:41,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:41,026 INFO L93 Difference]: Finished difference Result 1015 states and 1418 transitions. [2024-11-08 18:14:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:14:41,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-11-08 18:14:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:41,030 INFO L225 Difference]: With dead ends: 1015 [2024-11-08 18:14:41,030 INFO L226 Difference]: Without dead ends: 572 [2024-11-08 18:14:41,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:14:41,032 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 51 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:41,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:14:41,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-08 18:14:41,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 477. [2024-11-08 18:14:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 413 states have (on average 1.3220338983050848) internal successors, (546), 415 states have internal predecessors, (546), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:14:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 662 transitions. [2024-11-08 18:14:41,148 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 662 transitions. Word has length 146 [2024-11-08 18:14:41,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:41,149 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 662 transitions. [2024-11-08 18:14:41,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 662 transitions. [2024-11-08 18:14:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 18:14:41,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:41,151 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:41,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:14:41,151 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:41,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash 461092801, now seen corresponding path program 1 times [2024-11-08 18:14:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:41,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551261332] [2024-11-08 18:14:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:41,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:46,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:46,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551261332] [2024-11-08 18:14:46,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551261332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:46,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:46,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 18:14:46,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822767844] [2024-11-08 18:14:46,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:46,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:14:46,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:14:46,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:14:46,222 INFO L87 Difference]: Start difference. First operand 477 states and 662 transitions. Second operand has 17 states, 13 states have (on average 4.538461538461538) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-08 18:14:51,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:14:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:53,332 INFO L93 Difference]: Finished difference Result 1073 states and 1490 transitions. [2024-11-08 18:14:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:14:53,333 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 4.538461538461538) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 7 states have call successors, (18) Word has length 146 [2024-11-08 18:14:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:53,336 INFO L225 Difference]: With dead ends: 1073 [2024-11-08 18:14:53,336 INFO L226 Difference]: Without dead ends: 599 [2024-11-08 18:14:53,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:14:53,338 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 282 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:53,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 827 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1150 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-08 18:14:53,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-08 18:14:53,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 504. [2024-11-08 18:14:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 440 states have (on average 1.3136363636363637) internal successors, (578), 442 states have internal predecessors, (578), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:14:53,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 694 transitions. [2024-11-08 18:14:53,452 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 694 transitions. Word has length 146 [2024-11-08 18:14:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:53,452 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 694 transitions. [2024-11-08 18:14:53,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 4.538461538461538) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-08 18:14:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 694 transitions. [2024-11-08 18:14:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 18:14:53,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:53,455 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:53,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:14:53,455 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:53,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:53,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1162157379, now seen corresponding path program 1 times [2024-11-08 18:14:53,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:53,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013599056] [2024-11-08 18:14:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:53,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:56,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013599056] [2024-11-08 18:14:56,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013599056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:56,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:56,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:14:56,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611840218] [2024-11-08 18:14:56,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:56,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:14:56,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:56,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:14:56,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:14:56,440 INFO L87 Difference]: Start difference. First operand 504 states and 694 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:14:58,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:58,946 INFO L93 Difference]: Finished difference Result 1019 states and 1401 transitions. [2024-11-08 18:14:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:14:58,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2024-11-08 18:14:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:58,950 INFO L225 Difference]: With dead ends: 1019 [2024-11-08 18:14:58,950 INFO L226 Difference]: Without dead ends: 518 [2024-11-08 18:14:58,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:14:58,952 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 151 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:58,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1384 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:14:58,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-08 18:14:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 503. [2024-11-08 18:14:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 439 states have (on average 1.3120728929384966) internal successors, (576), 441 states have internal predecessors, (576), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:14:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 692 transitions. [2024-11-08 18:14:59,043 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 692 transitions. Word has length 146 [2024-11-08 18:14:59,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:59,043 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 692 transitions. [2024-11-08 18:14:59,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:14:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 692 transitions. [2024-11-08 18:14:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 18:14:59,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:59,046 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:59,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:14:59,046 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:59,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:59,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1809853966, now seen corresponding path program 1 times [2024-11-08 18:14:59,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:59,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624487411] [2024-11-08 18:14:59,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:59,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:59,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:59,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624487411] [2024-11-08 18:14:59,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624487411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:59,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:59,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:14:59,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932459207] [2024-11-08 18:14:59,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:59,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:14:59,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:59,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:14:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:14:59,284 INFO L87 Difference]: Start difference. First operand 503 states and 692 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:59,404 INFO L93 Difference]: Finished difference Result 1018 states and 1401 transitions. [2024-11-08 18:14:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:14:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-08 18:14:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:59,408 INFO L225 Difference]: With dead ends: 1018 [2024-11-08 18:14:59,408 INFO L226 Difference]: Without dead ends: 518 [2024-11-08 18:14:59,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 18:14:59,410 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:59,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 584 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:14:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-08 18:14:59,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2024-11-08 18:14:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 454 states have (on average 1.301762114537445) internal successors, (591), 456 states have internal predecessors, (591), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:14:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 707 transitions. [2024-11-08 18:14:59,522 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 707 transitions. Word has length 147 [2024-11-08 18:14:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:59,522 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 707 transitions. [2024-11-08 18:14:59,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 707 transitions. [2024-11-08 18:14:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 18:14:59,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:59,524 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:59,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:14:59,525 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:59,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:59,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1423777832, now seen corresponding path program 1 times [2024-11-08 18:14:59,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:59,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281509263] [2024-11-08 18:14:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:14:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:14:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:14:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:14:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:14:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:14:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:14:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:14:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:14:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:14:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:14:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:14:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:14:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:14:59,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:59,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281509263] [2024-11-08 18:14:59,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281509263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:59,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:59,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:14:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140384801] [2024-11-08 18:14:59,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:59,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:14:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:59,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:14:59,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:14:59,763 INFO L87 Difference]: Start difference. First operand 518 states and 707 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:14:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:59,933 INFO L93 Difference]: Finished difference Result 1053 states and 1436 transitions. [2024-11-08 18:14:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:14:59,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-08 18:14:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:59,937 INFO L225 Difference]: With dead ends: 1053 [2024-11-08 18:14:59,939 INFO L226 Difference]: Without dead ends: 538 [2024-11-08 18:14:59,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:14:59,940 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:59,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 734 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:14:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-08 18:15:00,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 529. [2024-11-08 18:15:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 465 states have (on average 1.2946236559139785) internal successors, (602), 467 states have internal predecessors, (602), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 718 transitions. [2024-11-08 18:15:00,053 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 718 transitions. Word has length 147 [2024-11-08 18:15:00,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:00,054 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 718 transitions. [2024-11-08 18:15:00,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:15:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 718 transitions. [2024-11-08 18:15:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:15:00,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:00,056 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:00,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:15:00,057 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:00,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1922612372, now seen corresponding path program 1 times [2024-11-08 18:15:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:00,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575327011] [2024-11-08 18:15:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:04,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:04,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575327011] [2024-11-08 18:15:04,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575327011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:04,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:04,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 18:15:04,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286687043] [2024-11-08 18:15:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:04,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:15:04,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:04,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:15:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:15:04,469 INFO L87 Difference]: Start difference. First operand 529 states and 718 transitions. Second operand has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:07,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:15:07,917 INFO L93 Difference]: Finished difference Result 947 states and 1281 transitions. [2024-11-08 18:15:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:15:07,918 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 148 [2024-11-08 18:15:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:15:07,921 INFO L225 Difference]: With dead ends: 947 [2024-11-08 18:15:07,921 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 18:15:07,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:15:07,927 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 336 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:15:07,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 938 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 18:15:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 18:15:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 529. [2024-11-08 18:15:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 465 states have (on average 1.2946236559139785) internal successors, (602), 467 states have internal predecessors, (602), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 718 transitions. [2024-11-08 18:15:08,024 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 718 transitions. Word has length 148 [2024-11-08 18:15:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:08,024 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 718 transitions. [2024-11-08 18:15:08,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 718 transitions. [2024-11-08 18:15:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:15:08,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:08,026 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:08,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:15:08,026 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:08,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:08,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1221547794, now seen corresponding path program 1 times [2024-11-08 18:15:08,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:08,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142434807] [2024-11-08 18:15:08,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:08,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:12,676 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:12,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:12,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142434807] [2024-11-08 18:15:12,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142434807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:12,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:12,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 18:15:12,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969114363] [2024-11-08 18:15:12,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:12,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:15:12,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:12,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:15:12,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:15:12,681 INFO L87 Difference]: Start difference. First operand 529 states and 718 transitions. Second operand has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:15:15,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:15:15,751 INFO L93 Difference]: Finished difference Result 947 states and 1280 transitions. [2024-11-08 18:15:15,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:15:15,752 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 148 [2024-11-08 18:15:15,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:15:15,755 INFO L225 Difference]: With dead ends: 947 [2024-11-08 18:15:15,755 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 18:15:15,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:15:15,757 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 230 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:15:15,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1157 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 18:15:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 18:15:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 536. [2024-11-08 18:15:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 472 states have (on average 1.2923728813559323) internal successors, (610), 474 states have internal predecessors, (610), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 726 transitions. [2024-11-08 18:15:15,873 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 726 transitions. Word has length 148 [2024-11-08 18:15:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:15,874 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 726 transitions. [2024-11-08 18:15:15,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:15:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 726 transitions. [2024-11-08 18:15:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:15:15,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:15,876 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:15,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:15:15,877 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:15,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1105015850, now seen corresponding path program 1 times [2024-11-08 18:15:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:15,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679524862] [2024-11-08 18:15:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:20,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:20,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679524862] [2024-11-08 18:15:20,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679524862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:20,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:20,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 18:15:20,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670225546] [2024-11-08 18:15:20,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:20,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 18:15:20,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:20,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 18:15:20,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:15:20,533 INFO L87 Difference]: Start difference. First operand 536 states and 726 transitions. Second operand has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:15:26,031 INFO L93 Difference]: Finished difference Result 873 states and 1172 transitions. [2024-11-08 18:15:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:15:26,032 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 148 [2024-11-08 18:15:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:15:26,034 INFO L225 Difference]: With dead ends: 873 [2024-11-08 18:15:26,034 INFO L226 Difference]: Without dead ends: 638 [2024-11-08 18:15:26,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=194, Invalid=798, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:15:26,035 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 513 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:15:26,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1221 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 18:15:26,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-08 18:15:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 536. [2024-11-08 18:15:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 472 states have (on average 1.2923728813559323) internal successors, (610), 474 states have internal predecessors, (610), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 726 transitions. [2024-11-08 18:15:26,148 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 726 transitions. Word has length 148 [2024-11-08 18:15:26,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:26,149 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 726 transitions. [2024-11-08 18:15:26,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 726 transitions. [2024-11-08 18:15:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:15:26,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:26,151 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:26,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 18:15:26,151 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:26,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:26,151 INFO L85 PathProgramCache]: Analyzing trace with hash 988431978, now seen corresponding path program 1 times [2024-11-08 18:15:26,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:26,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091327384] [2024-11-08 18:15:26,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:26,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:29,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:29,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091327384] [2024-11-08 18:15:29,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091327384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:29,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:29,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 18:15:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191077226] [2024-11-08 18:15:29,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:29,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:15:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:15:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:15:29,229 INFO L87 Difference]: Start difference. First operand 536 states and 726 transitions. Second operand has 16 states, 15 states have (on average 4.066666666666666) internal successors, (61), 16 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:32,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:15:32,332 INFO L93 Difference]: Finished difference Result 1033 states and 1396 transitions. [2024-11-08 18:15:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:15:32,332 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.066666666666666) internal successors, (61), 16 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 148 [2024-11-08 18:15:32,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:15:32,335 INFO L225 Difference]: With dead ends: 1033 [2024-11-08 18:15:32,335 INFO L226 Difference]: Without dead ends: 657 [2024-11-08 18:15:32,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:15:32,337 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 252 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:15:32,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 815 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 18:15:32,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-08 18:15:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 529. [2024-11-08 18:15:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 465 states have (on average 1.2946236559139785) internal successors, (602), 467 states have internal predecessors, (602), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 718 transitions. [2024-11-08 18:15:32,436 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 718 transitions. Word has length 148 [2024-11-08 18:15:32,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:32,437 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 718 transitions. [2024-11-08 18:15:32,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.066666666666666) internal successors, (61), 16 states have internal predecessors, (61), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:15:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 718 transitions. [2024-11-08 18:15:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:15:32,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:32,439 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:32,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 18:15:32,439 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:32,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:32,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1942373943, now seen corresponding path program 1 times [2024-11-08 18:15:32,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:32,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991470605] [2024-11-08 18:15:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:35,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:35,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991470605] [2024-11-08 18:15:35,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991470605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:35,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:35,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 18:15:35,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995825785] [2024-11-08 18:15:35,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:35,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:15:35,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:35,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:15:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:15:35,747 INFO L87 Difference]: Start difference. First operand 529 states and 718 transitions. Second operand has 16 states, 14 states have (on average 4.428571428571429) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:15:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:15:38,169 INFO L93 Difference]: Finished difference Result 1005 states and 1337 transitions. [2024-11-08 18:15:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:15:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.428571428571429) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 149 [2024-11-08 18:15:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:15:38,174 INFO L225 Difference]: With dead ends: 1005 [2024-11-08 18:15:38,174 INFO L226 Difference]: Without dead ends: 1003 [2024-11-08 18:15:38,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:15:38,175 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 909 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:15:38,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 655 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 18:15:38,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-08 18:15:38,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 840. [2024-11-08 18:15:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 776 states have (on average 1.3028350515463918) internal successors, (1011), 778 states have internal predecessors, (1011), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:15:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1127 transitions. [2024-11-08 18:15:38,279 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1127 transitions. Word has length 149 [2024-11-08 18:15:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:15:38,279 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1127 transitions. [2024-11-08 18:15:38,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.428571428571429) internal successors, (62), 16 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:15:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1127 transitions. [2024-11-08 18:15:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:15:38,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:38,281 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:38,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 18:15:38,281 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:38,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1064027339, now seen corresponding path program 1 times [2024-11-08 18:15:38,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:38,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796466519] [2024-11-08 18:15:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:38,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:15:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:15:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:15:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:15:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:15:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:15:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:15:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:15:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:15:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:15:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:15:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:15:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:15:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:15:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:15:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:15:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:15:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:15:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:15:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:15:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:15:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:15:49,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796466519] [2024-11-08 18:15:49,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796466519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:15:49,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:15:49,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-08 18:15:49,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586525505] [2024-11-08 18:15:49,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:15:49,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 18:15:49,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:15:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 18:15:49,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:15:49,323 INFO L87 Difference]: Start difference. First operand 840 states and 1127 transitions. Second operand has 21 states, 19 states have (on average 3.263157894736842) internal successors, (62), 21 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:16:03,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:03,122 INFO L93 Difference]: Finished difference Result 1862 states and 2484 transitions. [2024-11-08 18:16:03,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:16:03,124 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.263157894736842) internal successors, (62), 21 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 149 [2024-11-08 18:16:03,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:03,128 INFO L225 Difference]: With dead ends: 1862 [2024-11-08 18:16:03,128 INFO L226 Difference]: Without dead ends: 1025 [2024-11-08 18:16:03,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 18:16:03,130 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 672 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:03,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1230 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-08 18:16:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2024-11-08 18:16:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 894. [2024-11-08 18:16:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 830 states have (on average 1.3) internal successors, (1079), 832 states have internal predecessors, (1079), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1195 transitions. [2024-11-08 18:16:03,306 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1195 transitions. Word has length 149 [2024-11-08 18:16:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:03,306 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1195 transitions. [2024-11-08 18:16:03,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.263157894736842) internal successors, (62), 21 states have internal predecessors, (62), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:16:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1195 transitions. [2024-11-08 18:16:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:16:03,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:03,309 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:03,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 18:16:03,310 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:03,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:03,310 INFO L85 PathProgramCache]: Analyzing trace with hash 905435107, now seen corresponding path program 1 times [2024-11-08 18:16:03,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:03,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117177289] [2024-11-08 18:16:03,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:03,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:03,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:03,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117177289] [2024-11-08 18:16:03,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117177289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:03,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:03,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:16:03,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222587233] [2024-11-08 18:16:03,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:03,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:16:03,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:16:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:16:03,576 INFO L87 Difference]: Start difference. First operand 894 states and 1195 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:16:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:03,714 INFO L93 Difference]: Finished difference Result 1869 states and 2483 transitions. [2024-11-08 18:16:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:16:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-08 18:16:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:03,717 INFO L225 Difference]: With dead ends: 1869 [2024-11-08 18:16:03,718 INFO L226 Difference]: Without dead ends: 978 [2024-11-08 18:16:03,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:16:03,720 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:03,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 876 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:16:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-08 18:16:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 906. [2024-11-08 18:16:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 842 states have (on average 1.2957244655581948) internal successors, (1091), 844 states have internal predecessors, (1091), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1207 transitions. [2024-11-08 18:16:03,829 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1207 transitions. Word has length 149 [2024-11-08 18:16:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:03,830 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1207 transitions. [2024-11-08 18:16:03,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 18:16:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1207 transitions. [2024-11-08 18:16:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:16:03,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:03,832 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:03,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 18:16:03,832 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:03,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:03,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1951076279, now seen corresponding path program 1 times [2024-11-08 18:16:03,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:03,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002428884] [2024-11-08 18:16:03,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:03,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:06,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:06,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002428884] [2024-11-08 18:16:06,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002428884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:06,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:06,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:16:06,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009867143] [2024-11-08 18:16:06,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:06,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:16:06,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:06,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:16:06,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:16:06,844 INFO L87 Difference]: Start difference. First operand 906 states and 1207 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:09,212 INFO L93 Difference]: Finished difference Result 1659 states and 2204 transitions. [2024-11-08 18:16:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:16:09,213 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-08 18:16:09,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:09,216 INFO L225 Difference]: With dead ends: 1659 [2024-11-08 18:16:09,217 INFO L226 Difference]: Without dead ends: 989 [2024-11-08 18:16:09,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:16:09,219 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 423 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:09,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 661 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:16:09,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-08 18:16:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 906. [2024-11-08 18:16:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 842 states have (on average 1.2957244655581948) internal successors, (1091), 844 states have internal predecessors, (1091), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1207 transitions. [2024-11-08 18:16:09,360 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1207 transitions. Word has length 149 [2024-11-08 18:16:09,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:09,361 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1207 transitions. [2024-11-08 18:16:09,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1207 transitions. [2024-11-08 18:16:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:16:09,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:09,363 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:09,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 18:16:09,363 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:09,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1425501623, now seen corresponding path program 1 times [2024-11-08 18:16:09,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:09,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646903101] [2024-11-08 18:16:09,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:11,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:12,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:12,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:12,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646903101] [2024-11-08 18:16:12,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646903101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:12,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:12,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 18:16:12,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774626042] [2024-11-08 18:16:12,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:12,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:16:12,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:12,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:16:12,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:16:12,017 INFO L87 Difference]: Start difference. First operand 906 states and 1207 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:15,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:15,173 INFO L93 Difference]: Finished difference Result 1649 states and 2194 transitions. [2024-11-08 18:16:15,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:16:15,173 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-08 18:16:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:15,177 INFO L225 Difference]: With dead ends: 1649 [2024-11-08 18:16:15,177 INFO L226 Difference]: Without dead ends: 979 [2024-11-08 18:16:15,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:16:15,178 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 239 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:15,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 898 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 18:16:15,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-08 18:16:15,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 906. [2024-11-08 18:16:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 842 states have (on average 1.2957244655581948) internal successors, (1091), 844 states have internal predecessors, (1091), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1207 transitions. [2024-11-08 18:16:15,316 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1207 transitions. Word has length 149 [2024-11-08 18:16:15,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:15,316 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1207 transitions. [2024-11-08 18:16:15,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1207 transitions. [2024-11-08 18:16:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:16:15,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:15,319 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:15,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 18:16:15,319 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:15,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash 145637945, now seen corresponding path program 1 times [2024-11-08 18:16:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:15,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781937700] [2024-11-08 18:16:15,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781937700] [2024-11-08 18:16:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781937700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:26,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:26,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 18:16:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049214901] [2024-11-08 18:16:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:26,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:16:26,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:26,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:16:26,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:16:26,309 INFO L87 Difference]: Start difference. First operand 906 states and 1207 transitions. Second operand has 17 states, 14 states have (on average 4.428571428571429) internal successors, (62), 17 states have internal predecessors, (62), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 18:16:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:31,683 INFO L93 Difference]: Finished difference Result 1576 states and 2102 transitions. [2024-11-08 18:16:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:16:31,683 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 4.428571428571429) internal successors, (62), 17 states have internal predecessors, (62), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) Word has length 149 [2024-11-08 18:16:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:31,687 INFO L225 Difference]: With dead ends: 1576 [2024-11-08 18:16:31,687 INFO L226 Difference]: Without dead ends: 906 [2024-11-08 18:16:31,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:16:31,689 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 411 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:31,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 709 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 18:16:31,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-11-08 18:16:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 846. [2024-11-08 18:16:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 782 states have (on average 1.2953964194373402) internal successors, (1013), 784 states have internal predecessors, (1013), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1129 transitions. [2024-11-08 18:16:31,849 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1129 transitions. Word has length 149 [2024-11-08 18:16:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:31,850 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1129 transitions. [2024-11-08 18:16:31,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 4.428571428571429) internal successors, (62), 17 states have internal predecessors, (62), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 18:16:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1129 transitions. [2024-11-08 18:16:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:16:31,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:31,854 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:31,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 18:16:31,854 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:31,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:31,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1679464529, now seen corresponding path program 1 times [2024-11-08 18:16:31,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:31,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977386319] [2024-11-08 18:16:31,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:31,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:35,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:35,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977386319] [2024-11-08 18:16:35,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977386319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:35,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:35,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 18:16:35,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214341976] [2024-11-08 18:16:35,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:35,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:16:35,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:35,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:16:35,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:16:35,031 INFO L87 Difference]: Start difference. First operand 846 states and 1129 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:37,413 INFO L93 Difference]: Finished difference Result 1563 states and 2080 transitions. [2024-11-08 18:16:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:16:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-08 18:16:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:37,417 INFO L225 Difference]: With dead ends: 1563 [2024-11-08 18:16:37,417 INFO L226 Difference]: Without dead ends: 953 [2024-11-08 18:16:37,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:16:37,419 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 339 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:37,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 865 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 18:16:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-08 18:16:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 866. [2024-11-08 18:16:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 802 states have (on average 1.2955112219451372) internal successors, (1039), 804 states have internal predecessors, (1039), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1155 transitions. [2024-11-08 18:16:37,566 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1155 transitions. Word has length 150 [2024-11-08 18:16:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:37,567 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1155 transitions. [2024-11-08 18:16:37,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1155 transitions. [2024-11-08 18:16:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:16:37,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:37,569 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:37,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 18:16:37,569 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:37,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1914438189, now seen corresponding path program 1 times [2024-11-08 18:16:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:37,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085173570] [2024-11-08 18:16:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:37,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:41,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:41,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085173570] [2024-11-08 18:16:41,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085173570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:41,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:41,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 18:16:41,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999630144] [2024-11-08 18:16:41,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:41,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:16:41,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:41,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:16:41,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:16:41,453 INFO L87 Difference]: Start difference. First operand 866 states and 1155 transitions. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:45,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:45,424 INFO L93 Difference]: Finished difference Result 1567 states and 2086 transitions. [2024-11-08 18:16:45,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:16:45,425 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-08 18:16:45,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:45,428 INFO L225 Difference]: With dead ends: 1567 [2024-11-08 18:16:45,428 INFO L226 Difference]: Without dead ends: 937 [2024-11-08 18:16:45,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-11-08 18:16:45,429 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 162 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:45,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1114 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 18:16:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-08 18:16:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 852. [2024-11-08 18:16:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 788 states have (on average 1.2982233502538072) internal successors, (1023), 790 states have internal predecessors, (1023), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1139 transitions. [2024-11-08 18:16:45,579 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1139 transitions. Word has length 150 [2024-11-08 18:16:45,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:45,580 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1139 transitions. [2024-11-08 18:16:45,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:16:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1139 transitions. [2024-11-08 18:16:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:16:45,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:45,582 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:45,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 18:16:45,582 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:45,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:45,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1545451023, now seen corresponding path program 1 times [2024-11-08 18:16:45,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:45,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752077096] [2024-11-08 18:16:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:47,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:48,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752077096] [2024-11-08 18:16:48,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752077096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:48,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:48,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:16:48,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616611721] [2024-11-08 18:16:48,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:48,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:16:48,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:48,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:16:48,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:16:48,054 INFO L87 Difference]: Start difference. First operand 852 states and 1139 transitions. Second operand has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:16:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:49,748 INFO L93 Difference]: Finished difference Result 1998 states and 2659 transitions. [2024-11-08 18:16:49,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:16:49,748 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 150 [2024-11-08 18:16:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:49,752 INFO L225 Difference]: With dead ends: 1998 [2024-11-08 18:16:49,752 INFO L226 Difference]: Without dead ends: 1149 [2024-11-08 18:16:49,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:16:49,753 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 166 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:49,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 614 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 18:16:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-11-08 18:16:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 942. [2024-11-08 18:16:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 878 states have (on average 1.2744874715261958) internal successors, (1119), 880 states have internal predecessors, (1119), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1235 transitions. [2024-11-08 18:16:49,923 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1235 transitions. Word has length 150 [2024-11-08 18:16:49,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:49,924 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1235 transitions. [2024-11-08 18:16:49,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:16:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1235 transitions. [2024-11-08 18:16:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:16:49,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:49,926 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:49,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 18:16:49,926 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:49,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:49,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2048451695, now seen corresponding path program 1 times [2024-11-08 18:16:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:49,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52302963] [2024-11-08 18:16:49,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:49,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:16:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:16:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:16:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:16:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:16:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:16:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:16:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:16:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:16:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:16:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:16:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:16:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:16:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:16:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:16:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:16:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:16:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:16:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:16:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:16:54,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:16:54,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52302963] [2024-11-08 18:16:54,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52302963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:16:54,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:16:54,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 18:16:54,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201032687] [2024-11-08 18:16:54,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:16:54,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:16:54,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:16:54,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:16:54,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:16:54,567 INFO L87 Difference]: Start difference. First operand 942 states and 1235 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:16:58,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:16:58,189 INFO L93 Difference]: Finished difference Result 1719 states and 2246 transitions. [2024-11-08 18:16:58,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:16:58,190 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 150 [2024-11-08 18:16:58,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:16:58,194 INFO L225 Difference]: With dead ends: 1719 [2024-11-08 18:16:58,194 INFO L226 Difference]: Without dead ends: 1013 [2024-11-08 18:16:58,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:16:58,195 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 299 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:16:58,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1054 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 18:16:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-11-08 18:16:58,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 926. [2024-11-08 18:16:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 862 states have (on average 1.277262180974478) internal successors, (1101), 864 states have internal predecessors, (1101), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:16:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1217 transitions. [2024-11-08 18:16:58,347 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1217 transitions. Word has length 150 [2024-11-08 18:16:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:16:58,348 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1217 transitions. [2024-11-08 18:16:58,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:16:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1217 transitions. [2024-11-08 18:16:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:16:58,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:16:58,350 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:16:58,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 18:16:58,350 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:16:58,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:16:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1368998189, now seen corresponding path program 1 times [2024-11-08 18:16:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:16:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035772560] [2024-11-08 18:16:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:16:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:16:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:17:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:17:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:17:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:17:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:17:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:17:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:17:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:17:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:17:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:17:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:17:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:17:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:17:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:17:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:17:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:17:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:17:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:17:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:17:02,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:17:02,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035772560] [2024-11-08 18:17:02,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035772560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:17:02,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:17:02,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-08 18:17:02,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576341774] [2024-11-08 18:17:02,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:17:02,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 18:17:02,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:17:02,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 18:17:02,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:17:02,604 INFO L87 Difference]: Start difference. First operand 926 states and 1217 transitions. Second operand has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:17:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:17:07,751 INFO L93 Difference]: Finished difference Result 1493 states and 1955 transitions. [2024-11-08 18:17:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 18:17:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 150 [2024-11-08 18:17:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:17:07,755 INFO L225 Difference]: With dead ends: 1493 [2024-11-08 18:17:07,755 INFO L226 Difference]: Without dead ends: 1024 [2024-11-08 18:17:07,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 18:17:07,757 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 456 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 1912 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:17:07,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 1325 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1912 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 18:17:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-08 18:17:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 940. [2024-11-08 18:17:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 876 states have (on average 1.2751141552511416) internal successors, (1117), 878 states have internal predecessors, (1117), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:17:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1233 transitions. [2024-11-08 18:17:07,870 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1233 transitions. Word has length 150 [2024-11-08 18:17:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:17:07,870 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1233 transitions. [2024-11-08 18:17:07,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:17:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1233 transitions. [2024-11-08 18:17:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:17:07,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:17:07,872 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:17:07,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 18:17:07,872 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:17:07,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:17:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash -667933611, now seen corresponding path program 1 times [2024-11-08 18:17:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:17:07,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645789650] [2024-11-08 18:17:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:17:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:17:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:17:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:17:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:17:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:17:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:17:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:17:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:17:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:17:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:17:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:17:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:17:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:17:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:17:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:17:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:17:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:17:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:17:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:17:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:17:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:17:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645789650] [2024-11-08 18:17:16,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645789650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:17:16,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:17:16,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-08 18:17:16,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473605637] [2024-11-08 18:17:16,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:17:16,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:17:16,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:17:16,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:17:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:17:16,658 INFO L87 Difference]: Start difference. First operand 940 states and 1233 transitions. Second operand has 24 states, 20 states have (on average 3.15) internal successors, (63), 24 states have internal predecessors, (63), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-08 18:17:25,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:17:25,491 INFO L93 Difference]: Finished difference Result 1513 states and 1981 transitions. [2024-11-08 18:17:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:17:25,491 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 3.15) internal successors, (63), 24 states have internal predecessors, (63), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) Word has length 150 [2024-11-08 18:17:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:17:25,495 INFO L225 Difference]: With dead ends: 1513 [2024-11-08 18:17:25,495 INFO L226 Difference]: Without dead ends: 1030 [2024-11-08 18:17:25,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=266, Invalid=1140, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 18:17:25,496 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 337 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:17:25,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1335 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-08 18:17:25,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-11-08 18:17:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 940. [2024-11-08 18:17:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 876 states have (on average 1.2751141552511416) internal successors, (1117), 878 states have internal predecessors, (1117), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:17:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1233 transitions. [2024-11-08 18:17:25,654 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1233 transitions. Word has length 150 [2024-11-08 18:17:25,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:17:25,655 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1233 transitions. [2024-11-08 18:17:25,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 3.15) internal successors, (63), 24 states have internal predecessors, (63), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-08 18:17:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1233 transitions. [2024-11-08 18:17:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:17:25,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:17:25,657 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:17:25,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 18:17:25,657 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:17:25,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:17:25,658 INFO L85 PathProgramCache]: Analyzing trace with hash -449078893, now seen corresponding path program 1 times [2024-11-08 18:17:25,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:17:25,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248877785] [2024-11-08 18:17:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:17:25,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:17:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:17:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:17:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:17:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:17:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:17:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:17:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:17:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:17:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:17:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:17:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:17:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:17:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:17:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:17:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:17:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:17:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:17:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:17:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:17:29,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:17:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248877785] [2024-11-08 18:17:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248877785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:17:29,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:17:29,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 18:17:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148226297] [2024-11-08 18:17:29,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:17:29,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:17:29,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:17:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:17:29,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:17:29,979 INFO L87 Difference]: Start difference. First operand 940 states and 1233 transitions. Second operand has 18 states, 16 states have (on average 3.9375) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:17:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:17:34,170 INFO L93 Difference]: Finished difference Result 1514 states and 1975 transitions. [2024-11-08 18:17:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:17:34,170 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.9375) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) Word has length 150 [2024-11-08 18:17:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:17:34,175 INFO L225 Difference]: With dead ends: 1514 [2024-11-08 18:17:34,175 INFO L226 Difference]: Without dead ends: 1031 [2024-11-08 18:17:34,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:17:34,176 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 295 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:17:34,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1253 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 18:17:34,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-08 18:17:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 940. [2024-11-08 18:17:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 876 states have (on average 1.2751141552511416) internal successors, (1117), 878 states have internal predecessors, (1117), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:17:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1233 transitions. [2024-11-08 18:17:34,306 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1233 transitions. Word has length 150 [2024-11-08 18:17:34,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:17:34,307 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1233 transitions. [2024-11-08 18:17:34,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.9375) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-08 18:17:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1233 transitions. [2024-11-08 18:17:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:17:34,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:17:34,308 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:17:34,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 18:17:34,308 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:17:34,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:17:34,309 INFO L85 PathProgramCache]: Analyzing trace with hash -327447901, now seen corresponding path program 1 times [2024-11-08 18:17:34,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:17:34,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909372790] [2024-11-08 18:17:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:17:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:17:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:17:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:17:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:17:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:17:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:17:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:17:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:17:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:17:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:17:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:17:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:17:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:17:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:17:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:17:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:17:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:17:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:17:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:17:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 18:17:36,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:17:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909372790] [2024-11-08 18:17:36,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909372790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:17:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539084676] [2024-11-08 18:17:36,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:17:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:17:36,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:17:36,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:17:36,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:17:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:37,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-08 18:17:37,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:17:38,078 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 15 treesize of output 1 [2024-11-08 18:17:39,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:40,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:40,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:41,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:41,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:42,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:43,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:44,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:44,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:17:45,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,327 INFO L349 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2024-11-08 18:17:45,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 42 treesize of output 46 [2024-11-08 18:17:45,494 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-11-08 18:17:45,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 25 treesize of output 27 [2024-11-08 18:17:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:17:45,922 INFO L349 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2024-11-08 18:17:45,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 41 [2024-11-08 18:17:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 123 proven. 167 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-08 18:17:46,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:17:50,522 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_11_Pointer~0.offset Int) (~WrapperStruct00_var_1_3_Pointer~0.offset Int) (~WrapperStruct00_var_1_11_Pointer~0.base Int)) (not (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset (+ (* (mod (select (select |c_#memory_int| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536) 2) (* (- 1) (select (select |c_#memory_int| c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset)) (select (select |c_#memory_int| c_~WrapperStruct00_var_1_3_Pointer~0.base) ~WrapperStruct00_var_1_3_Pointer~0.offset)))))) (store .cse1 c_~WrapperStruct00_var_1_8_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset (select (select .cse1 ~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) (= (mod (select (select .cse0 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) (mod (select (select .cse0 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536))))) is different from false [2024-11-08 18:17:54,562 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_11_Pointer~0.offset Int) (~WrapperStruct00_var_1_3_Pointer~0.offset Int) (~WrapperStruct00_var_1_11_Pointer~0.base Int) (v_ArrVal_3389 Int)) (not (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_3389)))) (store .cse2 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset (+ (* (- 1) (select (select .cse2 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset)) (* 2 (mod (select (select .cse2 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536)) (select (select .cse2 c_~WrapperStruct00_var_1_3_Pointer~0.base) ~WrapperStruct00_var_1_3_Pointer~0.offset))))))) (store .cse1 c_~WrapperStruct00_var_1_8_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset (select (select .cse1 ~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) (= (mod (select (select .cse0 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) (mod (select (select .cse0 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536))))) is different from false [2024-11-08 18:18:40,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539084676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:18:40,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:18:40,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2024-11-08 18:18:40,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125800674] [2024-11-08 18:18:40,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:18:40,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 18:18:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:18:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 18:18:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=892, Unknown=12, NotChecked=126, Total=1190 [2024-11-08 18:18:40,470 INFO L87 Difference]: Start difference. First operand 940 states and 1233 transitions. Second operand has 28 states, 25 states have (on average 5.0) internal successors, (125), 28 states have internal predecessors, (125), 10 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-08 18:18:43,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:43,845 INFO L93 Difference]: Finished difference Result 1624 states and 2128 transitions. [2024-11-08 18:18:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:18:43,845 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 5.0) internal successors, (125), 28 states have internal predecessors, (125), 10 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 10 states have call successors, (36) Word has length 151 [2024-11-08 18:18:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:43,849 INFO L225 Difference]: With dead ends: 1624 [2024-11-08 18:18:43,849 INFO L226 Difference]: Without dead ends: 920 [2024-11-08 18:18:43,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 56.6s TimeCoverageRelationStatistics Valid=373, Invalid=1429, Unknown=12, NotChecked=166, Total=1980 [2024-11-08 18:18:43,851 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 347 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:43,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 566 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 18:18:43,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2024-11-08 18:18:43,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 892. [2024-11-08 18:18:43,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 825 states have (on average 1.2678787878787878) internal successors, (1046), 827 states have internal predecessors, (1046), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:18:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1162 transitions. [2024-11-08 18:18:43,991 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1162 transitions. Word has length 151 [2024-11-08 18:18:43,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:43,992 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1162 transitions. [2024-11-08 18:18:43,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 5.0) internal successors, (125), 28 states have internal predecessors, (125), 10 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-08 18:18:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1162 transitions. [2024-11-08 18:18:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:18:43,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:43,994 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:18:44,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:18:44,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:18:44,198 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:44,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1775247193, now seen corresponding path program 1 times [2024-11-08 18:18:44,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:18:44,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528815206] [2024-11-08 18:18:44,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:18:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:18:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:18:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:18:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:18:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:18:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:18:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:18:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:18:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:18:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:18:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:18:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:18:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:18:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:18:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:18:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:18:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:18:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:18:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 18:18:48,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:18:48,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528815206] [2024-11-08 18:18:48,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528815206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:18:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078516071] [2024-11-08 18:18:48,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:48,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:18:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:18:48,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:18:48,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:18:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:49,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-08 18:18:49,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:18:49,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 25 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 43 [2024-11-08 18:18:49,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2024-11-08 18:18:51,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 73 [2024-11-08 18:18:53,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2024-11-08 18:18:55,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2024-11-08 18:18:56,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2024-11-08 18:18:57,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2024-11-08 18:18:59,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2024-11-08 18:19:00,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 68 [2024-11-08 18:19:02,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2024-11-08 18:19:03,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2024-11-08 18:19:04,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-08 18:19:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,008 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 18:19:05,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 49 [2024-11-08 18:19:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2024-11-08 18:19:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:05,803 INFO L349 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2024-11-08 18:19:05,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 70 [2024-11-08 18:19:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:06,573 INFO L349 Elim1Store]: treesize reduction 12, result has 80.3 percent of original size [2024-11-08 18:19:06,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 82 [2024-11-08 18:19:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 72 proven. 458 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 18:19:06,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:19:28,787 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_11_Pointer~0.offset Int) (v_ArrVal_3613 Int) (~WrapperStruct00_var_1_11_Pointer~0.base Int) (v_ArrVal_3611 Int)) (let ((.cse0 (let ((.cse2 (let ((.cse3 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_3611)))) (store .cse3 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_3613))))) (store .cse2 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset (+ (* 2 (mod (select (select .cse2 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536)) (select (select .cse2 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset) (* (- 1) (select (select .cse2 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset)))))))) (or (< (mod (select (select .cse0 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 4294967296) (mod (select (select .cse0 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset) 4294967296)) (not (let ((.cse1 (store .cse0 c_~WrapperStruct00_var_1_8_Pointer~0.base (store (select .cse0 c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset (select (select .cse0 ~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset))))) (= (mod (select (select .cse1 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset) 65536) (mod (select (select .cse1 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset) 4294967296))))))) is different from false [2024-11-08 18:19:28,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078516071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:19:28,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:19:28,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 36 [2024-11-08 18:19:28,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440382486] [2024-11-08 18:19:28,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:19:28,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 18:19:28,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:19:28,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 18:19:28,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1605, Unknown=4, NotChecked=84, Total=1980 [2024-11-08 18:19:28,872 INFO L87 Difference]: Start difference. First operand 892 states and 1162 transitions. Second operand has 36 states, 33 states have (on average 4.151515151515151) internal successors, (137), 36 states have internal predecessors, (137), 12 states have call successors, (36), 8 states have call predecessors, (36), 10 states have return successors, (36), 9 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-08 18:19:43,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:19:43,479 INFO L93 Difference]: Finished difference Result 2183 states and 2812 transitions. [2024-11-08 18:19:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-08 18:19:43,480 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 4.151515151515151) internal successors, (137), 36 states have internal predecessors, (137), 12 states have call successors, (36), 8 states have call predecessors, (36), 10 states have return successors, (36), 9 states have call predecessors, (36), 12 states have call successors, (36) Word has length 151 [2024-11-08 18:19:43,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:19:43,484 INFO L225 Difference]: With dead ends: 2183 [2024-11-08 18:19:43,484 INFO L226 Difference]: Without dead ends: 1531 [2024-11-08 18:19:43,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1623 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=1084, Invalid=5396, Unknown=4, NotChecked=158, Total=6642 [2024-11-08 18:19:43,487 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 533 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:19:43,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 2210 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-08 18:19:43,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2024-11-08 18:19:43,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1209. [2024-11-08 18:19:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1092 states have (on average 1.2591575091575091) internal successors, (1375), 1094 states have internal predecessors, (1375), 94 states have call successors, (94), 22 states have call predecessors, (94), 22 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 18:19:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1563 transitions. [2024-11-08 18:19:43,740 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1563 transitions. Word has length 151 [2024-11-08 18:19:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:19:43,741 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1563 transitions. [2024-11-08 18:19:43,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 4.151515151515151) internal successors, (137), 36 states have internal predecessors, (137), 12 states have call successors, (36), 8 states have call predecessors, (36), 10 states have return successors, (36), 9 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-08 18:19:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1563 transitions. [2024-11-08 18:19:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:19:43,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:19:43,742 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:19:43,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:19:43,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-08 18:19:43,942 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:19:43,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:19:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 127808434, now seen corresponding path program 1 times [2024-11-08 18:19:43,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:19:43,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040957842] [2024-11-08 18:19:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:19:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:19:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:19:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:19:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:19:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:19:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:19:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:19:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:19:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:19:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:19:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:19:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:19:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:19:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:19:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:19:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:19:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:19:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:19:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:19:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:19:47,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:19:47,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040957842] [2024-11-08 18:19:47,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040957842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:19:47,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:19:47,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 18:19:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451023607] [2024-11-08 18:19:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:19:47,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 18:19:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:19:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 18:19:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:19:47,448 INFO L87 Difference]: Start difference. First operand 1209 states and 1563 transitions. Second operand has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 19 states have internal predecessors, (64), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:19:51,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:19:51,093 INFO L93 Difference]: Finished difference Result 1656 states and 2146 transitions. [2024-11-08 18:19:51,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:19:51,094 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 19 states have internal predecessors, (64), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 151 [2024-11-08 18:19:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:19:51,098 INFO L225 Difference]: With dead ends: 1656 [2024-11-08 18:19:51,098 INFO L226 Difference]: Without dead ends: 1215 [2024-11-08 18:19:51,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2024-11-08 18:19:51,100 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 379 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:19:51,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 950 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 18:19:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-11-08 18:19:51,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1207. [2024-11-08 18:19:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1090 states have (on average 1.2596330275229357) internal successors, (1373), 1092 states have internal predecessors, (1373), 94 states have call successors, (94), 22 states have call predecessors, (94), 22 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 18:19:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1561 transitions. [2024-11-08 18:19:51,349 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1561 transitions. Word has length 151 [2024-11-08 18:19:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:19:51,349 INFO L471 AbstractCegarLoop]: Abstraction has 1207 states and 1561 transitions. [2024-11-08 18:19:51,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 19 states have internal predecessors, (64), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:19:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1561 transitions. [2024-11-08 18:19:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 18:19:51,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:19:51,350 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:19:51,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 18:19:51,351 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:19:51,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:19:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash -900180424, now seen corresponding path program 1 times [2024-11-08 18:19:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:19:51,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387957758] [2024-11-08 18:19:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:19:51,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:19:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:19:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:19:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:19:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:19:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:19:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:19:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:19:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:19:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:19:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:19:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:19:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:19:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:19:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:19:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:19:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:19:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:19:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:19:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 18:19:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:19:53,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387957758] [2024-11-08 18:19:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387957758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:19:53,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018442629] [2024-11-08 18:19:53,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:19:53,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:19:53,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:19:53,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:19:53,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:19:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 18:19:54,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:19:55,487 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 15 treesize of output 1 [2024-11-08 18:19:56,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:56,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:56,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:57,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:57,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:58,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 18:19:58,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-11-08 18:19:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:58,965 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 36 treesize of output 23 [2024-11-08 18:19:59,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:59,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 18:19:59,212 INFO L349 Elim1Store]: treesize reduction 144, result has 36.3 percent of original size [2024-11-08 18:19:59,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 53 treesize of output 119 [2024-11-08 18:20:02,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 28 treesize of output 12 [2024-11-08 18:20:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 253 proven. 152 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-11-08 18:20:02,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:21:07,506 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int) (~WrapperStruct00_var_1_3_Pointer~0.base Int) (v_ArrVal_3932 Int) (~WrapperStruct00_var_1_4_Pointer~0.base Int) (~WrapperStruct00_var_1_3_Pointer~0.offset Int) (~WrapperStruct00_var_1_12_Pointer~0.offset Int) (~WrapperStruct00_var_1_12_Pointer~0.base Int)) (< (mod (select (select (let ((.cse0 (store |c_#memory_int| c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_3932)))) (store .cse0 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse0 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset (+ (select (select .cse0 ~WrapperStruct00_var_1_3_Pointer~0.base) ~WrapperStruct00_var_1_3_Pointer~0.offset) (* 2 (mod (select (select .cse0 ~WrapperStruct00_var_1_12_Pointer~0.base) ~WrapperStruct00_var_1_12_Pointer~0.offset) 65536)) (* (- 1) (select (select .cse0 ~WrapperStruct00_var_1_4_Pointer~0.base) ~WrapperStruct00_var_1_4_Pointer~0.offset)))))) c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset) 256) 1)) is different from false [2024-11-08 18:21:11,776 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_3_Pointer~0.base Int) (~WrapperStruct00_var_1_4_Pointer~0.offset Int) (v_ArrVal_3932 Int) (~WrapperStruct00_var_1_3_Pointer~0.offset Int) (~WrapperStruct00_var_1_12_Pointer~0.offset Int) (~WrapperStruct00_var_1_4_Pointer~0.base Int) (~WrapperStruct00_var_1_12_Pointer~0.base Int)) (< (mod (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset (select (select |c_#memory_int| c_~WrapperStruct00_var_1_7_Pointer~0.base) c_~WrapperStruct00_var_1_7_Pointer~0.offset))))) (store .cse1 c_~WrapperStruct00_var_1_15_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_15_Pointer~0.base) c_~WrapperStruct00_var_1_15_Pointer~0.offset v_ArrVal_3932))))) (store .cse0 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse0 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset (+ (* (- 1) (select (select .cse0 ~WrapperStruct00_var_1_4_Pointer~0.base) ~WrapperStruct00_var_1_4_Pointer~0.offset)) (select (select .cse0 ~WrapperStruct00_var_1_3_Pointer~0.base) ~WrapperStruct00_var_1_3_Pointer~0.offset) (* 2 (mod (select (select .cse0 ~WrapperStruct00_var_1_12_Pointer~0.base) ~WrapperStruct00_var_1_12_Pointer~0.offset) 65536)))))) c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset) 256) 1)) is different from false [2024-11-08 18:21:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018442629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:21:11,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:21:11,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11] total 27 [2024-11-08 18:21:11,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348558386] [2024-11-08 18:21:11,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:21:11,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-08 18:21:11,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-08 18:21:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=711, Unknown=16, NotChecked=110, Total=930 [2024-11-08 18:21:11,867 INFO L87 Difference]: Start difference. First operand 1207 states and 1561 transitions. Second operand has 27 states, 25 states have (on average 5.2) internal successors, (130), 27 states have internal predecessors, (130), 9 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-08 18:21:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:35,889 INFO L93 Difference]: Finished difference Result 2914 states and 3672 transitions. [2024-11-08 18:21:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:21:35,889 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.2) internal successors, (130), 27 states have internal predecessors, (130), 9 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 9 states have call successors, (36) Word has length 152 [2024-11-08 18:21:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:35,896 INFO L225 Difference]: With dead ends: 2914 [2024-11-08 18:21:35,896 INFO L226 Difference]: Without dead ends: 1846 [2024-11-08 18:21:35,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 83.7s TimeCoverageRelationStatistics Valid=657, Invalid=2874, Unknown=17, NotChecked=234, Total=3782 [2024-11-08 18:21:35,899 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 816 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:35,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1209 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1678 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2024-11-08 18:21:35,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-11-08 18:21:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1643. [2024-11-08 18:21:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1484 states have (on average 1.2163072776280324) internal successors, (1805), 1491 states have internal predecessors, (1805), 116 states have call successors, (116), 42 states have call predecessors, (116), 42 states have return successors, (116), 109 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:21:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2037 transitions. [2024-11-08 18:21:36,408 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2037 transitions. Word has length 152 [2024-11-08 18:21:36,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:36,408 INFO L471 AbstractCegarLoop]: Abstraction has 1643 states and 2037 transitions. [2024-11-08 18:21:36,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.2) internal successors, (130), 27 states have internal predecessors, (130), 9 states have call successors, (36), 4 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-08 18:21:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2037 transitions. [2024-11-08 18:21:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 18:21:36,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:36,410 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:21:36,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:21:36,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-08 18:21:36,611 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:36,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:36,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1693800760, now seen corresponding path program 1 times [2024-11-08 18:21:36,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:36,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911190807] [2024-11-08 18:21:36,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:21:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:21:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:21:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:21:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:21:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:21:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:21:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:21:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:21:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:21:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:21:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:21:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:21:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:21:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:21:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:21:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:21:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:21:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:21:47,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:47,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911190807] [2024-11-08 18:21:47,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911190807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:47,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:47,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 18:21:47,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301607178] [2024-11-08 18:21:47,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:47,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:21:47,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:47,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:21:47,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:21:47,162 INFO L87 Difference]: Start difference. First operand 1643 states and 2037 transitions. Second operand has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 18 states have internal predecessors, (65), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:22:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:07,786 INFO L93 Difference]: Finished difference Result 2777 states and 3461 transitions. [2024-11-08 18:22:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 18:22:07,786 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 18 states have internal predecessors, (65), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 152 [2024-11-08 18:22:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:07,792 INFO L225 Difference]: With dead ends: 2777 [2024-11-08 18:22:07,792 INFO L226 Difference]: Without dead ends: 2190 [2024-11-08 18:22:07,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=205, Invalid=851, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 18:22:07,794 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 468 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:07,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1326 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2024-11-08 18:22:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2024-11-08 18:22:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1627. [2024-11-08 18:22:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1468 states have (on average 1.2173024523160763) internal successors, (1787), 1475 states have internal predecessors, (1787), 116 states have call successors, (116), 42 states have call predecessors, (116), 42 states have return successors, (116), 109 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:22:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2019 transitions. [2024-11-08 18:22:08,177 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2019 transitions. Word has length 152 [2024-11-08 18:22:08,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:08,177 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2019 transitions. [2024-11-08 18:22:08,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 18 states have internal predecessors, (65), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:22:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2019 transitions. [2024-11-08 18:22:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 18:22:08,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:08,178 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:08,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 18:22:08,179 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:22:08,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1729538080, now seen corresponding path program 1 times [2024-11-08 18:22:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283397412] [2024-11-08 18:22:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:22:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:22:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:22:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:22:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:22:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:22:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:22:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:22:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:22:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:22:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:22:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:22:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:22:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:22:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:22:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:22:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:22:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:22:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:22:24,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:24,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283397412] [2024-11-08 18:22:24,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283397412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:24,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:24,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 18:22:24,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705580625] [2024-11-08 18:22:24,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:24,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:22:24,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:24,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:22:24,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:22:24,843 INFO L87 Difference]: Start difference. First operand 1627 states and 2019 transitions. Second operand has 14 states, 11 states have (on average 6.0) internal successors, (66), 14 states have internal predecessors, (66), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 18:22:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:33,591 INFO L93 Difference]: Finished difference Result 2233 states and 2796 transitions. [2024-11-08 18:22:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:22:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.0) internal successors, (66), 14 states have internal predecessors, (66), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) Word has length 153 [2024-11-08 18:22:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:33,598 INFO L225 Difference]: With dead ends: 2233 [2024-11-08 18:22:33,598 INFO L226 Difference]: Without dead ends: 1662 [2024-11-08 18:22:33,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:22:33,600 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 261 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:33,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 621 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-11-08 18:22:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2024-11-08 18:22:33,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1627. [2024-11-08 18:22:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1468 states have (on average 1.215940054495913) internal successors, (1785), 1475 states have internal predecessors, (1785), 116 states have call successors, (116), 42 states have call predecessors, (116), 42 states have return successors, (116), 109 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:22:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2017 transitions. [2024-11-08 18:22:33,970 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2017 transitions. Word has length 153 [2024-11-08 18:22:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:33,971 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2017 transitions. [2024-11-08 18:22:33,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.0) internal successors, (66), 14 states have internal predecessors, (66), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-08 18:22:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2017 transitions. [2024-11-08 18:22:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 18:22:33,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:33,973 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:33,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 18:22:33,973 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:22:33,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:33,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1253027762, now seen corresponding path program 1 times [2024-11-08 18:22:33,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:33,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510458152] [2024-11-08 18:22:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:22:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:22:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:22:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:22:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:22:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:22:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:22:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:22:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:22:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:22:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:22:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:22:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:22:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:22:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:22:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:22:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:22:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:22:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:22:44,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:44,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510458152] [2024-11-08 18:22:44,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510458152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:44,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:44,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 18:22:44,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800551650] [2024-11-08 18:22:44,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:44,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:22:44,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:44,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:22:44,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:22:44,045 INFO L87 Difference]: Start difference. First operand 1627 states and 2017 transitions. Second operand has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:22:57,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:57,607 INFO L93 Difference]: Finished difference Result 2298 states and 2872 transitions. [2024-11-08 18:22:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:22:57,608 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 153 [2024-11-08 18:22:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:57,611 INFO L225 Difference]: With dead ends: 2298 [2024-11-08 18:22:57,611 INFO L226 Difference]: Without dead ends: 1727 [2024-11-08 18:22:57,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:22:57,613 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 396 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:57,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 926 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-11-08 18:22:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2024-11-08 18:22:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1633. [2024-11-08 18:22:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1474 states have (on average 1.217774762550882) internal successors, (1795), 1481 states have internal predecessors, (1795), 116 states have call successors, (116), 42 states have call predecessors, (116), 42 states have return successors, (116), 109 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:22:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2027 transitions. [2024-11-08 18:22:58,260 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2027 transitions. Word has length 153 [2024-11-08 18:22:58,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:58,264 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2027 transitions. [2024-11-08 18:22:58,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 18:22:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2027 transitions. [2024-11-08 18:22:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 18:22:58,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:58,266 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:58,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 18:22:58,266 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:22:58,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1656085434, now seen corresponding path program 1 times [2024-11-08 18:22:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:58,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163884589] [2024-11-08 18:22:58,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:58,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:21,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:23:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:23:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:23:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:23:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:23:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:23:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:23:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:23:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:23:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:23:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:23:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:23:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:23:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:23:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:23:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:23:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:23:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:23:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 84 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-08 18:23:22,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:23:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163884589] [2024-11-08 18:23:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163884589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:23:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946700656] [2024-11-08 18:23:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:22,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:23:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:23:22,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:23:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185e7d81-3516-41b0-8db6-662b779727d0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:23:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:23,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-08 18:23:23,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:23:25,891 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 15 treesize of output 1 [2024-11-08 18:23:30,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-08 18:23:34,548 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 43 treesize of output 30 [2024-11-08 18:23:36,747 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 43 treesize of output 30 [2024-11-08 18:23:38,432 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 43 treesize of output 30 [2024-11-08 18:23:40,075 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 43 treesize of output 30 [2024-11-08 18:23:42,294 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 43 treesize of output 30 [2024-11-08 18:23:47,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-08 18:23:50,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-08 18:23:53,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 58 treesize of output 30 [2024-11-08 18:23:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 299 proven. 224 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-08 18:23:53,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:23:55,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946700656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:23:55,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:23:55,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 42 [2024-11-08 18:23:55,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967307759] [2024-11-08 18:23:55,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:23:55,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 18:23:55,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:23:55,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 18:23:55,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1714, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 18:23:55,117 INFO L87 Difference]: Start difference. First operand 1633 states and 2027 transitions. Second operand has 42 states, 32 states have (on average 4.6875) internal successors, (150), 41 states have internal predecessors, (150), 20 states have call successors, (36), 7 states have call predecessors, (36), 11 states have return successors, (36), 12 states have call predecessors, (36), 20 states have call successors, (36) [2024-11-08 18:24:02,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:06,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:10,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:14,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:19,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:23,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:42,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:46,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:50,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:54,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:58,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:02,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:11,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:15,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:20,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:24,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:28,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:32,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:41,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:45,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:49,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:53,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:25:57,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:01,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:04,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:30,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:34,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:38,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:42,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:46,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:50,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:11,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:15,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:19,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:23,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:27,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:31,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:27:35,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []