./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/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_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/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_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/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 e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:02:55,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:02:55,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:02:55,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:02:55,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:02:55,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:02:55,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:02:55,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:02:55,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:02:55,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:02:55,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:02:55,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:02:55,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:02:55,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:02:55,722 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:02:55,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:02:55,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:02:55,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:02:55,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:02:55,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:02:55,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:02:55,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:02:55,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:02:55,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:02:55,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:02:55,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:02:55,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:02:55,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:02:55,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:02:55,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:02:55,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:02:55,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:02:55,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:02:55,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:02:55,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:02:55,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:02:55,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:02:55,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:02:55,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:02:55,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:02:55,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:02:55,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:02:55,744 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_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 [2024-11-08 18:02:56,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:02:56,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:02:56,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:02:56,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:02:56,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:02:56,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i Unable to find full path for "g++" [2024-11-08 18:02:58,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:02:58,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:02:58,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-08 18:02:58,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/data/ff51e7478/b3c338368ec245abb9275ea9c8054529/FLAGe3fb9e40b [2024-11-08 18:02:58,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/data/ff51e7478/b3c338368ec245abb9275ea9c8054529 [2024-11-08 18:02:58,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:02:58,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:02:58,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:02:58,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:02:58,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:02:58,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:02:58" (1/1) ... [2024-11-08 18:02:58,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffdeb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:58, skipping insertion in model container [2024-11-08 18:02:58,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:02:58" (1/1) ... [2024-11-08 18:02:58,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:02:58,717 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_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-08 18:02:58,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:02:58,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:02:58,973 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_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-08 18:02:59,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:02:59,063 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:02:59,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59 WrapperNode [2024-11-08 18:02:59,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:02:59,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:02:59,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:02:59,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:02:59,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,170 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-08 18:02:59,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:02:59,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:02:59,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:02:59,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:02:59,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,235 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:02:59,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:02:59,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:02:59,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:02:59,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:02:59,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (1/1) ... [2024-11-08 18:02:59,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:02:59,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:02:59,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:02:59,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35ed52b-cf15-49fd-b09e-f3b36a6c14fd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:02:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:02:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:02:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:02:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:02:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:02:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:02:59,566 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:02:59,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:03:00,766 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 18:03:00,766 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:03:00,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:03:00,784 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:03:00,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:00 BoogieIcfgContainer [2024-11-08 18:03:00,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:03:00,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:03:00,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:03:00,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:03:00,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:02:58" (1/3) ... [2024-11-08 18:03:00,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13523b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:00, skipping insertion in model container [2024-11-08 18:03:00,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:59" (2/3) ... [2024-11-08 18:03:00,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13523b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:00, skipping insertion in model container [2024-11-08 18:03:00,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:00" (3/3) ... [2024-11-08 18:03:00,794 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-08 18:03:00,814 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:03:00,814 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:03:00,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:03:00,905 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;@3653e268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:03:00,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:03:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 152 states have (on average 1.5526315789473684) internal successors, (236), 153 states have internal predecessors, (236), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 18:03:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-08 18:03:00,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:00,941 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:00,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:00,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1750199438, now seen corresponding path program 1 times [2024-11-08 18:03:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217853052] [2024-11-08 18:03:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:00,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:03:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:03:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:03:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:03:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:03:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:03:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:03:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:03:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:03:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:03:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:03:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:03:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:03:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:03:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 18:03:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:03:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 18:03:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:03:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:03:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:03:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 18:03:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:03:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 18:03:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 18:03:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 18:03:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:03:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:03:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:03:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 18:03:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 18:03:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 18:03:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 18:03:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 18:03:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 18:03:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 18:03:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 18:03:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 18:03:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 18:03:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 18:03:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 18:03:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 18:03:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 18:03:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 18:03:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 18:03:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 18:03:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 18:03:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 18:03:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 18:03:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 18:03:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 18:03:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 18:03:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 18:03:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 18:03:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 18:03:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 18:03:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 18:03:02,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:02,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217853052] [2024-11-08 18:03:02,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217853052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:02,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:02,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:03:02,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264446532] [2024-11-08 18:03:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:02,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:03:02,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:02,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:03:02,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:03:02,508 INFO L87 Difference]: Start difference. First operand has 218 states, 152 states have (on average 1.5526315789473684) internal successors, (236), 153 states have internal predecessors, (236), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-08 18:03:02,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:02,632 INFO L93 Difference]: Finished difference Result 428 states and 779 transitions. [2024-11-08 18:03:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:03:02,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 408 [2024-11-08 18:03:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:02,662 INFO L225 Difference]: With dead ends: 428 [2024-11-08 18:03:02,663 INFO L226 Difference]: Without dead ends: 213 [2024-11-08 18:03:02,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 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 18:03:02,680 INFO L432 NwaCegarLoop]: 352 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, 352 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 18:03:02,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:03:02,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-08 18:03:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-08 18:03:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 148 states have (on average 1.527027027027027) internal successors, (226), 148 states have internal predecessors, (226), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 18:03:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 352 transitions. [2024-11-08 18:03:02,834 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 352 transitions. Word has length 408 [2024-11-08 18:03:02,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:02,838 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 352 transitions. [2024-11-08 18:03:02,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-08 18:03:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 352 transitions. [2024-11-08 18:03:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-08 18:03:02,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:02,852 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:02,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:03:02,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:02,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:02,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1919793760, now seen corresponding path program 1 times [2024-11-08 18:03:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070509666] [2024-11-08 18:03:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:02,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:03:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:03:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:03:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:03:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:03:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:03:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:03:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:03:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:03:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:03:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:03:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:03:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:03:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:03:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 18:03:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:03:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 18:03:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:03:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:03:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:03:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 18:03:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:03:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 18:03:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 18:03:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 18:03:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:03:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:03:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:03:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 18:03:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 18:03:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 18:03:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 18:03:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 18:03:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 18:03:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 18:03:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 18:03:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 18:03:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 18:03:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 18:03:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 18:03:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 18:03:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 18:03:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 18:03:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 18:03:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 18:03:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 18:03:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 18:03:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 18:03:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 18:03:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 18:03:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 18:03:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 18:03:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 18:03:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 18:03:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 18:03:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 18:03:03,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:03,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070509666] [2024-11-08 18:03:03,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070509666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:03,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:03,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:03:03,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354226570] [2024-11-08 18:03:03,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:03,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:03:03,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:03,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:03:03,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:03:03,757 INFO L87 Difference]: Start difference. First operand 213 states and 352 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:04,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:04,192 INFO L93 Difference]: Finished difference Result 775 states and 1286 transitions. [2024-11-08 18:03:04,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:03:04,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 408 [2024-11-08 18:03:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:04,205 INFO L225 Difference]: With dead ends: 775 [2024-11-08 18:03:04,209 INFO L226 Difference]: Without dead ends: 565 [2024-11-08 18:03:04,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:03:04,213 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 668 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:04,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 1232 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:03:04,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-08 18:03:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 556. [2024-11-08 18:03:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 429 states have (on average 1.5827505827505828) internal successors, (679), 432 states have internal predecessors, (679), 122 states have call successors, (122), 4 states have call predecessors, (122), 4 states have return successors, (122), 119 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-08 18:03:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 923 transitions. [2024-11-08 18:03:04,333 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 923 transitions. Word has length 408 [2024-11-08 18:03:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:04,335 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 923 transitions. [2024-11-08 18:03:04,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 923 transitions. [2024-11-08 18:03:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 18:03:04,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:04,350 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:04,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:03:04,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:04,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 979680838, now seen corresponding path program 1 times [2024-11-08 18:03:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260064409] [2024-11-08 18:03:04,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:03:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:03:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:03:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:03:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:03:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:03:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:03:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:03:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:03:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:03:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:03:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:03:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:03:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:03:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 18:03:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:03:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 18:03:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:03:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:03:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:03:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 18:03:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:03:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 18:03:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 18:03:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 18:03:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:03:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:03:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:03:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 18:03:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 18:03:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 18:03:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 18:03:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 18:03:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 18:03:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 18:03:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 18:03:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 18:03:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 18:03:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 18:03:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 18:03:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 18:03:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 18:03:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 18:03:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 18:03:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 18:03:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 18:03:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 18:03:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 18:03:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 18:03:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 18:03:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 18:03:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 18:03:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 18:03:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 18:03:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 18:03:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 18:03:05,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:05,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260064409] [2024-11-08 18:03:05,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260064409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:05,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:05,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:03:05,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386516812] [2024-11-08 18:03:05,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:05,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:03:05,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:03:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:03:05,929 INFO L87 Difference]: Start difference. First operand 556 states and 923 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:06,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:06,106 INFO L93 Difference]: Finished difference Result 1453 states and 2404 transitions. [2024-11-08 18:03:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:03:06,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 18:03:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:06,122 INFO L225 Difference]: With dead ends: 1453 [2024-11-08 18:03:06,122 INFO L226 Difference]: Without dead ends: 900 [2024-11-08 18:03:06,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 18:03:06,130 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 237 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:06,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 760 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:03:06,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-08 18:03:06,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 897. [2024-11-08 18:03:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 674 states have (on average 1.5593471810089021) internal successors, (1051), 678 states have internal predecessors, (1051), 214 states have call successors, (214), 8 states have call predecessors, (214), 8 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-08 18:03:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1479 transitions. [2024-11-08 18:03:06,305 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1479 transitions. Word has length 409 [2024-11-08 18:03:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:06,309 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1479 transitions. [2024-11-08 18:03:06,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1479 transitions. [2024-11-08 18:03:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 18:03:06,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:06,323 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:06,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:03:06,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:06,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:06,325 INFO L85 PathProgramCache]: Analyzing trace with hash 929673835, now seen corresponding path program 1 times [2024-11-08 18:03:06,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:06,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089994340] [2024-11-08 18:03:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:03:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:03:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:03:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:03:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:03:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:03:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:03:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:03:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:03:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:03:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:03:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:03:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:03:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:03:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 18:03:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:03:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 18:03:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:03:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:03:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:03:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 18:03:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:03:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 18:03:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 18:03:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 18:03:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:03:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:03:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:03:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 18:03:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 18:03:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 18:03:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 18:03:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 18:03:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 18:03:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 18:03:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 18:03:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 18:03:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 18:03:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 18:03:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 18:03:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 18:03:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 18:03:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 18:03:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 18:03:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 18:03:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 18:03:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 18:03:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 18:03:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 18:03:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 18:03:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 18:03:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 18:03:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 18:03:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 18:03:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 18:03:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 18:03:06,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:06,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089994340] [2024-11-08 18:03:06,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089994340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:06,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:06,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:03:06,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425667836] [2024-11-08 18:03:06,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:06,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:03:06,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:06,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:03:06,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:03:06,916 INFO L87 Difference]: Start difference. First operand 897 states and 1479 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:07,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:07,024 INFO L93 Difference]: Finished difference Result 1462 states and 2408 transitions. [2024-11-08 18:03:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:03:07,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 18:03:07,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:07,033 INFO L225 Difference]: With dead ends: 1462 [2024-11-08 18:03:07,034 INFO L226 Difference]: Without dead ends: 909 [2024-11-08 18:03:07,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 18:03:07,038 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 201 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:07,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 795 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:03:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-08 18:03:07,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 736. [2024-11-08 18:03:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 543 states have (on average 1.5414364640883977) internal successors, (837), 545 states have internal predecessors, (837), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 182 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-08 18:03:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1205 transitions. [2024-11-08 18:03:07,126 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1205 transitions. Word has length 409 [2024-11-08 18:03:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:07,128 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1205 transitions. [2024-11-08 18:03:07,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1205 transitions. [2024-11-08 18:03:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 18:03:07,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:07,139 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:07,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:03:07,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:07,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -776499029, now seen corresponding path program 1 times [2024-11-08 18:03:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:07,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330628271] [2024-11-08 18:03:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:03:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:03:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:03:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:03:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:03:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:03:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:03:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:03:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:03:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:03:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:03:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:03:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:03:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:03:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 18:03:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:03:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 18:03:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:03:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:03:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:03:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 18:03:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:03:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 18:03:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 18:03:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 18:03:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 18:03:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 18:03:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 18:03:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 18:03:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 18:03:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 18:03:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 18:03:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 18:03:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 18:03:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 18:03:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 18:03:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 18:03:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 18:03:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 18:03:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 18:03:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 18:03:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 18:03:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 18:03:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 18:03:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 18:03:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 18:03:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 18:03:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 18:03:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 18:03:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 18:03:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 18:03:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 18:03:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 18:03:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 18:03:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 18:03:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 18:03:08,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330628271] [2024-11-08 18:03:08,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330628271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:08,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:08,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:03:08,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517538904] [2024-11-08 18:03:08,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:08,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:03:08,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:08,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:03:08,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:03:08,245 INFO L87 Difference]: Start difference. First operand 736 states and 1205 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:08,514 INFO L93 Difference]: Finished difference Result 1533 states and 2493 transitions. [2024-11-08 18:03:08,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:03:08,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 18:03:08,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:08,526 INFO L225 Difference]: With dead ends: 1533 [2024-11-08 18:03:08,527 INFO L226 Difference]: Without dead ends: 800 [2024-11-08 18:03:08,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 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 18:03:08,533 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:08,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 610 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:03:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-08 18:03:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 799. [2024-11-08 18:03:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 574 states have (on average 1.5034843205574913) internal successors, (863), 577 states have internal predecessors, (863), 211 states have call successors, (211), 13 states have call predecessors, (211), 13 states have return successors, (211), 208 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-08 18:03:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1285 transitions. [2024-11-08 18:03:08,684 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1285 transitions. Word has length 409 [2024-11-08 18:03:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:08,685 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1285 transitions. [2024-11-08 18:03:08,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 18:03:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1285 transitions. [2024-11-08 18:03:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-08 18:03:08,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:08,696 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:08,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:03:08,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:08,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1514545596, now seen corresponding path program 1 times [2024-11-08 18:03:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:08,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037372620] [2024-11-08 18:03:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:08,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat