./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU --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 85ef803a6bb363295cd7947a7bd1be874db9be06a2c4402180a579373742884d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:52,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:52,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:07:52,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:52,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:52,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:52,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:52,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:53,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:53,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:53,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:53,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:53,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:53,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:53,003 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:53,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:53,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:53,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:53,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:53,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:53,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:53,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:53,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:53,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:53,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:53,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:53,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:53,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:53,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:53,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:53,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:53,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:53,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:53,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:53,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:53,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:53,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:53,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:53,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:53,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:53,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:53,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:53,036 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_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ef803a6bb363295cd7947a7bd1be874db9be06a2c4402180a579373742884d [2024-10-31 22:07:53,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:53,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:53,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:53,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:53,404 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:53,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c Unable to find full path for "g++" [2024-10-31 22:07:55,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:56,045 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:56,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-10-31 22:07:56,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/data/f81ea3cbd/703819bfc1034341a40c06a82c25e8b2/FLAGa58f1b1cb [2024-10-31 22:07:56,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/data/f81ea3cbd/703819bfc1034341a40c06a82c25e8b2 [2024-10-31 22:07:56,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:56,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:56,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:56,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:56,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:56,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:56" (1/1) ... [2024-10-31 22:07:56,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30288a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:56, skipping insertion in model container [2024-10-31 22:07:56,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:56" (1/1) ... [2024-10-31 22:07:56,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:57,186 WARN L251 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_106859f3-62a7-4dce-a249-108a8e2edfde/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36670,36683] [2024-10-31 22:07:57,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:57,636 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:57,941 WARN L251 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_106859f3-62a7-4dce-a249-108a8e2edfde/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36670,36683] [2024-10-31 22:07:58,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:58,315 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:58,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58 WrapperNode [2024-10-31 22:07:58,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:58,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:58,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:58,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:58,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,518 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5195 [2024-10-31 22:07:58,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:58,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:58,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:58,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:58,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,757 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]. [2024-10-31 22:07:58,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:58,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:58,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:58,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:58,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:58,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (1/1) ... [2024-10-31 22:07:59,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:59,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_106859f3-62a7-4dce-a249-108a8e2edfde/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:59,419 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:59,421 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:04,455 INFO L? ?]: Removed 355 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:04,456 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:04,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:04,513 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:08:04,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:04 BoogieIcfgContainer [2024-10-31 22:08:04,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:04,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:04,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:04,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:04,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:56" (1/3) ... [2024-10-31 22:08:04,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523b6b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:04, skipping insertion in model container [2024-10-31 22:08:04,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:58" (2/3) ... [2024-10-31 22:08:04,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523b6b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:04, skipping insertion in model container [2024-10-31 22:08:04,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:04" (3/3) ... [2024-10-31 22:08:04,524 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-10-31 22:08:04,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:04,546 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:04,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:04,697 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;@39fd211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:04,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 1434 states, 1432 states have (on average 1.7863128491620113) internal successors, (2558), 1433 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-31 22:08:04,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:04,753 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:04,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:04,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:04,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2082190408, now seen corresponding path program 1 times [2024-10-31 22:08:04,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252482137] [2024-10-31 22:08:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:04,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:06,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:06,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252482137] [2024-10-31 22:08:06,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252482137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:06,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:06,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:06,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49404982] [2024-10-31 22:08:06,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:06,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:06,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:06,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:06,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:06,165 INFO L87 Difference]: Start difference. First operand has 1434 states, 1432 states have (on average 1.7863128491620113) internal successors, (2558), 1433 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:06,441 INFO L93 Difference]: Finished difference Result 2878 states and 5043 transitions. [2024-10-31 22:08:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 356 [2024-10-31 22:08:06,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:06,480 INFO L225 Difference]: With dead ends: 2878 [2024-10-31 22:08:06,480 INFO L226 Difference]: Without dead ends: 2005 [2024-10-31 22:08:06,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:06,497 INFO L432 NwaCegarLoop]: 3019 mSDtfsCounter, 1180 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 5352 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:06,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 5352 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:06,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2024-10-31 22:08:06,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 2003. [2024-10-31 22:08:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.6728271728271729) internal successors, (3349), 2002 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3349 transitions. [2024-10-31 22:08:06,729 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3349 transitions. Word has length 356 [2024-10-31 22:08:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:06,731 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 3349 transitions. [2024-10-31 22:08:06,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3349 transitions. [2024-10-31 22:08:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-10-31 22:08:06,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:06,745 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:06,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:06,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:06,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash -225406888, now seen corresponding path program 1 times [2024-10-31 22:08:06,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:06,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807448875] [2024-10-31 22:08:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:07,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807448875] [2024-10-31 22:08:07,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807448875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:07,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:07,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:07,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52536007] [2024-10-31 22:08:07,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:07,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:07,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:07,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:07,482 INFO L87 Difference]: Start difference. First operand 2003 states and 3349 transitions. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:07,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:07,640 INFO L93 Difference]: Finished difference Result 4410 states and 7286 transitions. [2024-10-31 22:08:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:07,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 358 [2024-10-31 22:08:07,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:07,653 INFO L225 Difference]: With dead ends: 4410 [2024-10-31 22:08:07,653 INFO L226 Difference]: Without dead ends: 2997 [2024-10-31 22:08:07,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:07,658 INFO L432 NwaCegarLoop]: 2550 mSDtfsCounter, 1095 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 4701 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:07,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 4701 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2024-10-31 22:08:07,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2024-10-31 22:08:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2994 states have (on average 1.6579826319305278) internal successors, (4964), 2994 states have internal predecessors, (4964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4964 transitions. [2024-10-31 22:08:07,776 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4964 transitions. Word has length 358 [2024-10-31 22:08:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:07,777 INFO L471 AbstractCegarLoop]: Abstraction has 2995 states and 4964 transitions. [2024-10-31 22:08:07,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4964 transitions. [2024-10-31 22:08:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-31 22:08:07,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:07,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:07,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:07,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:07,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:07,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1474349036, now seen corresponding path program 1 times [2024-10-31 22:08:07,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:07,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829912396] [2024-10-31 22:08:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:08,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:08,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829912396] [2024-10-31 22:08:08,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829912396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:08,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:08,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:08,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265813640] [2024-10-31 22:08:08,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:08,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:08,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:08,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:08,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:08,359 INFO L87 Difference]: Start difference. First operand 2995 states and 4964 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:08,510 INFO L93 Difference]: Finished difference Result 7050 states and 11578 transitions. [2024-10-31 22:08:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:08,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 360 [2024-10-31 22:08:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:08,527 INFO L225 Difference]: With dead ends: 7050 [2024-10-31 22:08:08,527 INFO L226 Difference]: Without dead ends: 4668 [2024-10-31 22:08:08,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:08,532 INFO L432 NwaCegarLoop]: 2474 mSDtfsCounter, 1070 mSDsluCounter, 2099 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 4573 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:08,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 4573 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2024-10-31 22:08:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4666. [2024-10-31 22:08:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4666 states, 4665 states have (on average 1.6441586280814577) internal successors, (7670), 4665 states have internal predecessors, (7670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4666 states and 7670 transitions. [2024-10-31 22:08:08,649 INFO L78 Accepts]: Start accepts. Automaton has 4666 states and 7670 transitions. Word has length 360 [2024-10-31 22:08:08,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:08,650 INFO L471 AbstractCegarLoop]: Abstraction has 4666 states and 7670 transitions. [2024-10-31 22:08:08,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4666 states and 7670 transitions. [2024-10-31 22:08:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-10-31 22:08:08,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:08,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:08,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:08,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:08,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:08,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1917725016, now seen corresponding path program 1 times [2024-10-31 22:08:08,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:08,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021028498] [2024-10-31 22:08:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:08,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:09,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:09,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021028498] [2024-10-31 22:08:09,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021028498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:09,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:09,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:09,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502736187] [2024-10-31 22:08:09,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:09,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:09,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:09,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:09,203 INFO L87 Difference]: Start difference. First operand 4666 states and 7670 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:09,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:09,438 INFO L93 Difference]: Finished difference Result 11405 states and 18607 transitions. [2024-10-31 22:08:09,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:09,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-10-31 22:08:09,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:09,462 INFO L225 Difference]: With dead ends: 11405 [2024-10-31 22:08:09,462 INFO L226 Difference]: Without dead ends: 7375 [2024-10-31 22:08:09,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:09,468 INFO L432 NwaCegarLoop]: 2638 mSDtfsCounter, 1044 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:09,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 4685 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7375 states. [2024-10-31 22:08:09,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7375 to 7373. [2024-10-31 22:08:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7373 states, 7372 states have (on average 1.6299511665762345) internal successors, (12016), 7372 states have internal predecessors, (12016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7373 states to 7373 states and 12016 transitions. [2024-10-31 22:08:09,668 INFO L78 Accepts]: Start accepts. Automaton has 7373 states and 12016 transitions. Word has length 362 [2024-10-31 22:08:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:09,669 INFO L471 AbstractCegarLoop]: Abstraction has 7373 states and 12016 transitions. [2024-10-31 22:08:09,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7373 states and 12016 transitions. [2024-10-31 22:08:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-31 22:08:09,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:09,685 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:09,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:08:09,685 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:09,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:09,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1051027936, now seen corresponding path program 1 times [2024-10-31 22:08:09,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:09,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060690151] [2024-10-31 22:08:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:09,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:10,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:10,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060690151] [2024-10-31 22:08:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060690151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:10,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:10,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555052109] [2024-10-31 22:08:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:10,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:10,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:10,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:10,149 INFO L87 Difference]: Start difference. First operand 7373 states and 12016 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:10,485 INFO L93 Difference]: Finished difference Result 18224 states and 29484 transitions. [2024-10-31 22:08:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:10,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 364 [2024-10-31 22:08:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:10,539 INFO L225 Difference]: With dead ends: 18224 [2024-10-31 22:08:10,539 INFO L226 Difference]: Without dead ends: 11510 [2024-10-31 22:08:10,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:10,551 INFO L432 NwaCegarLoop]: 2834 mSDtfsCounter, 1018 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:10,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 4830 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:08:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11510 states. [2024-10-31 22:08:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11510 to 11508. [2024-10-31 22:08:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11508 states, 11507 states have (on average 1.6127574519857477) internal successors, (18558), 11507 states have internal predecessors, (18558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11508 states to 11508 states and 18558 transitions. [2024-10-31 22:08:10,864 INFO L78 Accepts]: Start accepts. Automaton has 11508 states and 18558 transitions. Word has length 364 [2024-10-31 22:08:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:10,865 INFO L471 AbstractCegarLoop]: Abstraction has 11508 states and 18558 transitions. [2024-10-31 22:08:10,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 11508 states and 18558 transitions. [2024-10-31 22:08:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-10-31 22:08:10,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:10,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:10,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:08:10,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:10,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1803969880, now seen corresponding path program 1 times [2024-10-31 22:08:10,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083605621] [2024-10-31 22:08:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:10,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:12,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:12,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083605621] [2024-10-31 22:08:12,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083605621] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:12,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:12,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:08:12,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889937286] [2024-10-31 22:08:12,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:12,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:08:12,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:08:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:08:12,015 INFO L87 Difference]: Start difference. First operand 11508 states and 18558 transitions. Second operand has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:13,283 INFO L93 Difference]: Finished difference Result 48568 states and 81448 transitions. [2024-10-31 22:08:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:08:13,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2024-10-31 22:08:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:13,375 INFO L225 Difference]: With dead ends: 48568 [2024-10-31 22:08:13,375 INFO L226 Difference]: Without dead ends: 45158 [2024-10-31 22:08:13,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:08:13,390 INFO L432 NwaCegarLoop]: 2290 mSDtfsCounter, 9869 mSDsluCounter, 10910 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9869 SdHoareTripleChecker+Valid, 13200 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:13,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9869 Valid, 13200 Invalid, 290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:08:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45158 states. [2024-10-31 22:08:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45158 to 16693. [2024-10-31 22:08:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16693 states, 16692 states have (on average 1.6298825784807094) internal successors, (27206), 16692 states have internal predecessors, (27206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16693 states to 16693 states and 27206 transitions. [2024-10-31 22:08:13,998 INFO L78 Accepts]: Start accepts. Automaton has 16693 states and 27206 transitions. Word has length 366 [2024-10-31 22:08:13,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:13,999 INFO L471 AbstractCegarLoop]: Abstraction has 16693 states and 27206 transitions. [2024-10-31 22:08:14,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 16693 states and 27206 transitions. [2024-10-31 22:08:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-10-31 22:08:14,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:14,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:14,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:08:14,071 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:14,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -649850194, now seen corresponding path program 1 times [2024-10-31 22:08:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435603885] [2024-10-31 22:08:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435603885] [2024-10-31 22:08:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435603885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:14,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:14,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:14,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403744748] [2024-10-31 22:08:14,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:14,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:14,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:14,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:14,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:14,580 INFO L87 Difference]: Start difference. First operand 16693 states and 27206 transitions. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:14,894 INFO L93 Difference]: Finished difference Result 39533 states and 65769 transitions. [2024-10-31 22:08:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:14,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2024-10-31 22:08:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:14,945 INFO L225 Difference]: With dead ends: 39533 [2024-10-31 22:08:14,946 INFO L226 Difference]: Without dead ends: 32715 [2024-10-31 22:08:14,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:14,963 INFO L432 NwaCegarLoop]: 2301 mSDtfsCounter, 3099 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:14,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 5575 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:14,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32715 states. [2024-10-31 22:08:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32715 to 25238. [2024-10-31 22:08:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25238 states, 25237 states have (on average 1.6451242223719142) internal successors, (41518), 25237 states have internal predecessors, (41518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25238 states to 25238 states and 41518 transitions. [2024-10-31 22:08:15,557 INFO L78 Accepts]: Start accepts. Automaton has 25238 states and 41518 transitions. Word has length 367 [2024-10-31 22:08:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:15,558 INFO L471 AbstractCegarLoop]: Abstraction has 25238 states and 41518 transitions. [2024-10-31 22:08:15,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25238 states and 41518 transitions. [2024-10-31 22:08:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-10-31 22:08:15,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:15,586 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:15,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:08:15,587 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:15,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash -652056023, now seen corresponding path program 1 times [2024-10-31 22:08:15,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:15,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493425151] [2024-10-31 22:08:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:15,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:16,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493425151] [2024-10-31 22:08:16,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493425151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:16,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:16,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:08:16,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185134975] [2024-10-31 22:08:16,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:16,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:08:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:08:16,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:08:16,639 INFO L87 Difference]: Start difference. First operand 25238 states and 41518 transitions. Second operand has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 7 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:17,674 INFO L93 Difference]: Finished difference Result 94728 states and 158740 transitions. [2024-10-31 22:08:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:08:17,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 7 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2024-10-31 22:08:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:17,836 INFO L225 Difference]: With dead ends: 94728 [2024-10-31 22:08:17,837 INFO L226 Difference]: Without dead ends: 81126 [2024-10-31 22:08:17,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:08:17,869 INFO L432 NwaCegarLoop]: 3428 mSDtfsCounter, 6105 mSDsluCounter, 10191 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6105 SdHoareTripleChecker+Valid, 13619 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:17,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6105 Valid, 13619 Invalid, 279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:08:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81126 states. [2024-10-31 22:08:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81126 to 38882. [2024-10-31 22:08:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38882 states, 38881 states have (on average 1.6582392428178288) internal successors, (64474), 38881 states have internal predecessors, (64474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38882 states to 38882 states and 64474 transitions. [2024-10-31 22:08:19,013 INFO L78 Accepts]: Start accepts. Automaton has 38882 states and 64474 transitions. Word has length 367 [2024-10-31 22:08:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:19,014 INFO L471 AbstractCegarLoop]: Abstraction has 38882 states and 64474 transitions. [2024-10-31 22:08:19,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 7 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 38882 states and 64474 transitions. [2024-10-31 22:08:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-10-31 22:08:19,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:19,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:19,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:08:19,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:19,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:19,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1491716133, now seen corresponding path program 1 times [2024-10-31 22:08:19,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:19,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915142860] [2024-10-31 22:08:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:19,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915142860] [2024-10-31 22:08:19,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915142860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:19,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:19,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:08:19,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842646715] [2024-10-31 22:08:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:19,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:08:19,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:19,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:08:19,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:08:19,954 INFO L87 Difference]: Start difference. First operand 38882 states and 64474 transitions. Second operand has 7 states, 7 states have (on average 52.57142857142857) internal successors, (368), 7 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:20,750 INFO L93 Difference]: Finished difference Result 108352 states and 181676 transitions. [2024-10-31 22:08:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:08:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.57142857142857) internal successors, (368), 7 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 368 [2024-10-31 22:08:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:20,889 INFO L225 Difference]: With dead ends: 108352 [2024-10-31 22:08:20,889 INFO L226 Difference]: Without dead ends: 94750 [2024-10-31 22:08:21,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:08:21,169 INFO L432 NwaCegarLoop]: 3323 mSDtfsCounter, 6453 mSDsluCounter, 8234 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6453 SdHoareTripleChecker+Valid, 11557 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:21,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6453 Valid, 11557 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:08:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94750 states.