./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ --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 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:42:42,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:42:42,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:42:42,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:42:42,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:42:42,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:42:42,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:42:42,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:42:42,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:42:43,007 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:42:43,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:42:43,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:42:43,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:42:43,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:42:43,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:42:43,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:42:43,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:42:43,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:42:43,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:42:43,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:42:43,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:42:43,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:42:43,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:42:43,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:42:43,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:42:43,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:42:43,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:42:43,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:42:43,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:42:43,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:42:43,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:42:43,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:43,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:42:43,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:42:43,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:42:43,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:42:43,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:42:43,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:42:43,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:42:43,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:42:43,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:42:43,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:42:43,029 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_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b [2023-11-23 22:42:43,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:42:43,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:42:43,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:42:43,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:42:43,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:42:43,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2023-11-23 22:42:46,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:42:47,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:42:47,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2023-11-23 22:42:47,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/data/02cb5ffaa/c4e8e29d56f3413583f29f1323f47c28/FLAGfae5d6a58 [2023-11-23 22:42:47,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/data/02cb5ffaa/c4e8e29d56f3413583f29f1323f47c28 [2023-11-23 22:42:47,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:42:47,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:42:47,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:47,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:42:47,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:42:47,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:47" (1/1) ... [2023-11-23 22:42:47,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672eb797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47, skipping insertion in model container [2023-11-23 22:42:47,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:47" (1/1) ... [2023-11-23 22:42:47,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:42:47,672 WARN L240 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_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2023-11-23 22:42:48,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:48,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:42:48,116 WARN L240 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_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2023-11-23 22:42:48,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:48,417 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:42:48,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48 WrapperNode [2023-11-23 22:42:48,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:48,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:48,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:42:48,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:42:48,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,587 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-23 22:42:48,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:48,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:42:48,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:42:48,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:42:48,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,615 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,688 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:42:48,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:42:48,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:42:48,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:42:48,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:42:48,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (1/1) ... [2023-11-23 22:42:48,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:42:48,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:42:48,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:42:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:42:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:42:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:42:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:42:49,041 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:42:49,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:42:51,048 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:42:51,124 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:42:51,126 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:42:51,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:51 BoogieIcfgContainer [2023-11-23 22:42:51,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:42:51,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:42:51,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:42:51,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:42:51,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:47" (1/3) ... [2023-11-23 22:42:51,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d53d35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:51, skipping insertion in model container [2023-11-23 22:42:51,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:48" (2/3) ... [2023-11-23 22:42:51,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d53d35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:51, skipping insertion in model container [2023-11-23 22:42:51,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:51" (3/3) ... [2023-11-23 22:42:51,140 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2023-11-23 22:42:51,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:42:51,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:42:51,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:42:51,242 INFO L357 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, mHoare=true, 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;@73e070cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:42:51,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:42:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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) [2023-11-23 22:42:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 22:42:51,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:51,257 INFO L195 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] [2023-11-23 22:42:51,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:51,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash -44962428, now seen corresponding path program 1 times [2023-11-23 22:42:51,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:51,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173820017] [2023-11-23 22:42:51,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:51,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:51,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173820017] [2023-11-23 22:42:51,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173820017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:51,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:51,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:51,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187076619] [2023-11-23 22:42:51,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:51,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:42:51,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:51,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:42:51,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:51,518 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2023-11-23 22:42:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:51,587 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-11-23 22:42:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:42:51,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2023-11-23 22:42:51,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:51,603 INFO L225 Difference]: With dead ends: 441 [2023-11-23 22:42:51,603 INFO L226 Difference]: Without dead ends: 219 [2023-11-23 22:42:51,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:51,611 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:51,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:42:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-23 22:42:51,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-11-23 22:42:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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) [2023-11-23 22:42:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-11-23 22:42:51,671 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 25 [2023-11-23 22:42:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:51,671 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-11-23 22:42:51,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2023-11-23 22:42:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-11-23 22:42:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 22:42:51,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:51,673 INFO L195 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] [2023-11-23 22:42:51,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:42:51,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:51,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash -245136867, now seen corresponding path program 1 times [2023-11-23 22:42:51,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:51,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936648025] [2023-11-23 22:42:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:51,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:51,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936648025] [2023-11-23 22:42:51,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936648025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:51,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:51,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:51,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847777021] [2023-11-23 22:42:51,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:51,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:51,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:51,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:51,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:51,943 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2023-11-23 22:42:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:53,159 INFO L93 Difference]: Finished difference Result 633 states and 1034 transitions. [2023-11-23 22:42:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:53,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2023-11-23 22:42:53,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:53,164 INFO L225 Difference]: With dead ends: 633 [2023-11-23 22:42:53,164 INFO L226 Difference]: Without dead ends: 415 [2023-11-23 22:42:53,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:53,168 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 196 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:53,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 69 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 22:42:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-23 22:42:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 407. [2023-11-23 22:42:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.6157635467980296) internal successors, (656), 406 states have internal predecessors, (656), 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) [2023-11-23 22:42:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 656 transitions. [2023-11-23 22:42:53,221 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 656 transitions. Word has length 25 [2023-11-23 22:42:53,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:53,221 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 656 transitions. [2023-11-23 22:42:53,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2023-11-23 22:42:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 656 transitions. [2023-11-23 22:42:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 22:42:53,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:53,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:53,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:42:53,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:53,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:53,227 INFO L85 PathProgramCache]: Analyzing trace with hash -86787237, now seen corresponding path program 1 times [2023-11-23 22:42:53,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:53,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282358219] [2023-11-23 22:42:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:53,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:53,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282358219] [2023-11-23 22:42:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282358219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:53,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:53,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:53,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387630138] [2023-11-23 22:42:53,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:53,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:53,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:53,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:53,451 INFO L87 Difference]: Start difference. First operand 407 states and 656 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-11-23 22:42:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:54,465 INFO L93 Difference]: Finished difference Result 1190 states and 1929 transitions. [2023-11-23 22:42:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:54,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 90 [2023-11-23 22:42:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:54,471 INFO L225 Difference]: With dead ends: 1190 [2023-11-23 22:42:54,471 INFO L226 Difference]: Without dead ends: 784 [2023-11-23 22:42:54,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:54,476 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 141 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:54,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 150 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:42:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-23 22:42:54,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 782. [2023-11-23 22:42:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 781 states have (on average 1.439180537772087) internal successors, (1124), 781 states have internal predecessors, (1124), 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) [2023-11-23 22:42:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1124 transitions. [2023-11-23 22:42:54,511 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1124 transitions. Word has length 90 [2023-11-23 22:42:54,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:54,512 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1124 transitions. [2023-11-23 22:42:54,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-11-23 22:42:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1124 transitions. [2023-11-23 22:42:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 22:42:54,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:54,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:54,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:42:54,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:54,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:54,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1261300683, now seen corresponding path program 1 times [2023-11-23 22:42:54,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:54,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678449856] [2023-11-23 22:42:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:54,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:54,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:54,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678449856] [2023-11-23 22:42:54,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678449856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:54,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:54,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:54,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201818598] [2023-11-23 22:42:54,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:54,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:54,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:54,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:54,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:54,738 INFO L87 Difference]: Start difference. First operand 782 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-11-23 22:42:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:55,920 INFO L93 Difference]: Finished difference Result 1947 states and 2800 transitions. [2023-11-23 22:42:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:55,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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 93 [2023-11-23 22:42:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:55,930 INFO L225 Difference]: With dead ends: 1947 [2023-11-23 22:42:55,930 INFO L226 Difference]: Without dead ends: 1166 [2023-11-23 22:42:55,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:55,934 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:55,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 114 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 22:42:55,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2023-11-23 22:42:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1153. [2023-11-23 22:42:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.3394097222222223) internal successors, (1543), 1152 states have internal predecessors, (1543), 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) [2023-11-23 22:42:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1543 transitions. [2023-11-23 22:42:55,978 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1543 transitions. Word has length 93 [2023-11-23 22:42:55,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:55,979 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1543 transitions. [2023-11-23 22:42:55,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-11-23 22:42:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1543 transitions. [2023-11-23 22:42:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 22:42:55,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:55,988 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:55,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:42:55,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:55,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:55,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1042194863, now seen corresponding path program 1 times [2023-11-23 22:42:55,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:55,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621147847] [2023-11-23 22:42:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:55,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:56,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:56,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621147847] [2023-11-23 22:42:56,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621147847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:56,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:56,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:56,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704137361] [2023-11-23 22:42:56,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:56,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:56,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:56,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:56,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:56,418 INFO L87 Difference]: Start difference. First operand 1153 states and 1543 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2023-11-23 22:42:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:57,354 INFO L93 Difference]: Finished difference Result 2675 states and 3528 transitions. [2023-11-23 22:42:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:57,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 94 [2023-11-23 22:42:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:57,364 INFO L225 Difference]: With dead ends: 2675 [2023-11-23 22:42:57,364 INFO L226 Difference]: Without dead ends: 1523 [2023-11-23 22:42:57,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:57,368 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:57,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 187 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:42:57,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2023-11-23 22:42:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1522. [2023-11-23 22:42:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1521 states have (on average 1.2689020381328073) internal successors, (1930), 1521 states have internal predecessors, (1930), 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) [2023-11-23 22:42:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1930 transitions. [2023-11-23 22:42:57,407 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1930 transitions. Word has length 94 [2023-11-23 22:42:57,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:57,407 INFO L495 AbstractCegarLoop]: Abstraction has 1522 states and 1930 transitions. [2023-11-23 22:42:57,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2023-11-23 22:42:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1930 transitions. [2023-11-23 22:42:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 22:42:57,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:57,410 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:57,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:42:57,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:57,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:57,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1481029138, now seen corresponding path program 1 times [2023-11-23 22:42:57,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:57,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143537589] [2023-11-23 22:42:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:57,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:57,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:57,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143537589] [2023-11-23 22:42:57,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143537589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:57,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:57,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:57,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291627630] [2023-11-23 22:42:57,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:57,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:57,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:57,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:57,573 INFO L87 Difference]: Start difference. First operand 1522 states and 1930 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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) [2023-11-23 22:42:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:58,530 INFO L93 Difference]: Finished difference Result 3967 states and 5150 transitions. [2023-11-23 22:42:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:58,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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 152 [2023-11-23 22:42:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:58,560 INFO L225 Difference]: With dead ends: 3967 [2023-11-23 22:42:58,563 INFO L226 Difference]: Without dead ends: 2630 [2023-11-23 22:42:58,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:58,578 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:58,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 152 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:42:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2023-11-23 22:42:58,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2446. [2023-11-23 22:42:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 2445 states have (on average 1.223721881390593) internal successors, (2992), 2445 states have internal predecessors, (2992), 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) [2023-11-23 22:42:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 2992 transitions. [2023-11-23 22:42:58,659 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 2992 transitions. Word has length 152 [2023-11-23 22:42:58,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:58,667 INFO L495 AbstractCegarLoop]: Abstraction has 2446 states and 2992 transitions. [2023-11-23 22:42:58,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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) [2023-11-23 22:42:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2992 transitions. [2023-11-23 22:42:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-23 22:42:58,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:58,674 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:58,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:42:58,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:58,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:58,675 INFO L85 PathProgramCache]: Analyzing trace with hash -673826994, now seen corresponding path program 1 times [2023-11-23 22:42:58,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:58,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854910351] [2023-11-23 22:42:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 22:42:58,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:58,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854910351] [2023-11-23 22:42:58,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854910351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:58,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:58,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:58,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624525179] [2023-11-23 22:42:58,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:58,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:58,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:58,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:58,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:58,987 INFO L87 Difference]: Start difference. First operand 2446 states and 2992 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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) [2023-11-23 22:42:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:59,968 INFO L93 Difference]: Finished difference Result 5265 states and 6462 transitions. [2023-11-23 22:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:59,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 168 [2023-11-23 22:42:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:59,990 INFO L225 Difference]: With dead ends: 5265 [2023-11-23 22:42:59,991 INFO L226 Difference]: Without dead ends: 3004 [2023-11-23 22:42:59,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:59,999 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:59,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 151 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:43:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2023-11-23 22:43:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 2819. [2023-11-23 22:43:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2818 states have (on average 1.2221433640880057) internal successors, (3444), 2818 states have internal predecessors, (3444), 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) [2023-11-23 22:43:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3444 transitions. [2023-11-23 22:43:00,088 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3444 transitions. Word has length 168 [2023-11-23 22:43:00,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:00,090 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 3444 transitions. [2023-11-23 22:43:00,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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) [2023-11-23 22:43:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3444 transitions. [2023-11-23 22:43:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 22:43:00,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:00,095 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:00,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:43:00,096 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:00,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash -330829423, now seen corresponding path program 1 times [2023-11-23 22:43:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:00,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926718305] [2023-11-23 22:43:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:43:00,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:00,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926718305] [2023-11-23 22:43:00,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926718305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:00,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:00,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:00,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794297535] [2023-11-23 22:43:00,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:00,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:00,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:00,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:00,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:00,441 INFO L87 Difference]: Start difference. First operand 2819 states and 3444 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-23 22:43:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:01,581 INFO L93 Difference]: Finished difference Result 6566 states and 8100 transitions. [2023-11-23 22:43:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 205 [2023-11-23 22:43:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:01,609 INFO L225 Difference]: With dead ends: 6566 [2023-11-23 22:43:01,610 INFO L226 Difference]: Without dead ends: 3932 [2023-11-23 22:43:01,614 INFO L412 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 [2023-11-23 22:43:01,615 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 135 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:01,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 329 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 22:43:01,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2023-11-23 22:43:01,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3555. [2023-11-23 22:43:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3554 states have (on average 1.2115925717501408) internal successors, (4306), 3554 states have internal predecessors, (4306), 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) [2023-11-23 22:43:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 4306 transitions. [2023-11-23 22:43:01,728 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 4306 transitions. Word has length 205 [2023-11-23 22:43:01,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:01,729 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 4306 transitions. [2023-11-23 22:43:01,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-23 22:43:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4306 transitions. [2023-11-23 22:43:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 22:43:01,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:01,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:01,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:43:01,735 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:01,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2032610421, now seen corresponding path program 1 times [2023-11-23 22:43:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239542762] [2023-11-23 22:43:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:01,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-23 22:43:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:02,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239542762] [2023-11-23 22:43:02,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239542762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:02,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:02,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:02,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363054380] [2023-11-23 22:43:02,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:02,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:02,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:02,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:02,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:02,224 INFO L87 Difference]: Start difference. First operand 3555 states and 4306 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2023-11-23 22:43:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:03,385 INFO L93 Difference]: Finished difference Result 9520 states and 11626 transitions. [2023-11-23 22:43:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:03,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 206 [2023-11-23 22:43:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:03,426 INFO L225 Difference]: With dead ends: 9520 [2023-11-23 22:43:03,427 INFO L226 Difference]: Without dead ends: 5966 [2023-11-23 22:43:03,433 INFO L412 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 [2023-11-23 22:43:03,436 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 200 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:03,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 329 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 22:43:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2023-11-23 22:43:03,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5230. [2023-11-23 22:43:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5230 states, 5229 states have (on average 1.2061579651941097) internal successors, (6307), 5229 states have internal predecessors, (6307), 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) [2023-11-23 22:43:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5230 states to 5230 states and 6307 transitions. [2023-11-23 22:43:03,611 INFO L78 Accepts]: Start accepts. Automaton has 5230 states and 6307 transitions. Word has length 206 [2023-11-23 22:43:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:03,612 INFO L495 AbstractCegarLoop]: Abstraction has 5230 states and 6307 transitions. [2023-11-23 22:43:03,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2023-11-23 22:43:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5230 states and 6307 transitions. [2023-11-23 22:43:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-23 22:43:03,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:03,619 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:03,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:43:03,619 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:03,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:03,626 INFO L85 PathProgramCache]: Analyzing trace with hash 491117803, now seen corresponding path program 1 times [2023-11-23 22:43:03,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:03,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012851337] [2023-11-23 22:43:03,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:03,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:43:04,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:04,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012851337] [2023-11-23 22:43:04,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012851337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:04,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:04,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:04,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528175353] [2023-11-23 22:43:04,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:04,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:04,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:04,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:04,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:04,034 INFO L87 Difference]: Start difference. First operand 5230 states and 6307 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-11-23 22:43:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:05,096 INFO L93 Difference]: Finished difference Result 10456 states and 12610 transitions. [2023-11-23 22:43:05,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:05,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 243 [2023-11-23 22:43:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:05,131 INFO L225 Difference]: With dead ends: 10456 [2023-11-23 22:43:05,131 INFO L226 Difference]: Without dead ends: 5227 [2023-11-23 22:43:05,139 INFO L412 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 [2023-11-23 22:43:05,140 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:05,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 301 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:43:05,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2023-11-23 22:43:05,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 5227. [2023-11-23 22:43:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 5226 states have (on average 1.178721775736701) internal successors, (6160), 5226 states have internal predecessors, (6160), 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) [2023-11-23 22:43:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 6160 transitions. [2023-11-23 22:43:05,276 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 6160 transitions. Word has length 243 [2023-11-23 22:43:05,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:05,276 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 6160 transitions. [2023-11-23 22:43:05,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-11-23 22:43:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 6160 transitions. [2023-11-23 22:43:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-11-23 22:43:05,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:05,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:05,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 22:43:05,286 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:05,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:05,287 INFO L85 PathProgramCache]: Analyzing trace with hash -160041176, now seen corresponding path program 1 times [2023-11-23 22:43:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139428652] [2023-11-23 22:43:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 22:43:05,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139428652] [2023-11-23 22:43:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139428652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:05,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:05,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904550401] [2023-11-23 22:43:05,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:05,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:05,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:05,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:05,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:05,705 INFO L87 Difference]: Start difference. First operand 5227 states and 6160 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-11-23 22:43:06,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:06,658 INFO L93 Difference]: Finished difference Result 11194 states and 13195 transitions. [2023-11-23 22:43:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:06,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 257 [2023-11-23 22:43:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:06,700 INFO L225 Difference]: With dead ends: 11194 [2023-11-23 22:43:06,708 INFO L226 Difference]: Without dead ends: 5968 [2023-11-23 22:43:06,716 INFO L412 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 [2023-11-23 22:43:06,717 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 195 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:06,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 146 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:43:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2023-11-23 22:43:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5227. [2023-11-23 22:43:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 5226 states have (on average 1.178721775736701) internal successors, (6160), 5226 states have internal predecessors, (6160), 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) [2023-11-23 22:43:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 6160 transitions. [2023-11-23 22:43:06,937 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 6160 transitions. Word has length 257 [2023-11-23 22:43:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:06,938 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 6160 transitions. [2023-11-23 22:43:06,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-11-23 22:43:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 6160 transitions. [2023-11-23 22:43:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-23 22:43:06,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:06,948 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:06,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 22:43:06,948 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:06,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1179120924, now seen corresponding path program 1 times [2023-11-23 22:43:06,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124906539] [2023-11-23 22:43:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-23 22:43:07,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:07,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124906539] [2023-11-23 22:43:07,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124906539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:07,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:07,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:07,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411167499] [2023-11-23 22:43:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:07,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:43:07,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:07,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:43:07,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:43:07,571 INFO L87 Difference]: Start difference. First operand 5227 states and 6160 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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) [2023-11-23 22:43:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:09,626 INFO L93 Difference]: Finished difference Result 15806 states and 18812 transitions. [2023-11-23 22:43:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:43:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 260 [2023-11-23 22:43:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:09,652 INFO L225 Difference]: With dead ends: 15806 [2023-11-23 22:43:09,652 INFO L226 Difference]: Without dead ends: 10580 [2023-11-23 22:43:09,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:43:09,661 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 250 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:09,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 112 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 22:43:09,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10580 states. [2023-11-23 22:43:09,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10580 to 10018. [2023-11-23 22:43:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10018 states, 10017 states have (on average 1.180293501048218) internal successors, (11823), 10017 states have internal predecessors, (11823), 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) [2023-11-23 22:43:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10018 states to 10018 states and 11823 transitions. [2023-11-23 22:43:09,883 INFO L78 Accepts]: Start accepts. Automaton has 10018 states and 11823 transitions. Word has length 260 [2023-11-23 22:43:09,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:09,884 INFO L495 AbstractCegarLoop]: Abstraction has 10018 states and 11823 transitions. [2023-11-23 22:43:09,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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) [2023-11-23 22:43:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 10018 states and 11823 transitions. [2023-11-23 22:43:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-23 22:43:09,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:09,892 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:09,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 22:43:09,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:09,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:09,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1753312156, now seen corresponding path program 1 times [2023-11-23 22:43:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507791203] [2023-11-23 22:43:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:43:10,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:10,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507791203] [2023-11-23 22:43:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507791203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:10,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366232225] [2023-11-23 22:43:10,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:10,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:43:10,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:43:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:43:10,258 INFO L87 Difference]: Start difference. First operand 10018 states and 11823 transitions. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-23 22:43:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:11,841 INFO L93 Difference]: Finished difference Result 25579 states and 30140 transitions. [2023-11-23 22:43:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:43:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 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 269 [2023-11-23 22:43:11,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:11,872 INFO L225 Difference]: With dead ends: 25579 [2023-11-23 22:43:11,872 INFO L226 Difference]: Without dead ends: 15930 [2023-11-23 22:43:11,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:43:11,883 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 258 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:11,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 74 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 22:43:11,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15930 states. [2023-11-23 22:43:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15930 to 15744. [2023-11-23 22:43:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15744 states, 15743 states have (on average 1.1689639839928858) internal successors, (18403), 15743 states have internal predecessors, (18403), 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) [2023-11-23 22:43:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15744 states to 15744 states and 18403 transitions. [2023-11-23 22:43:12,187 INFO L78 Accepts]: Start accepts. Automaton has 15744 states and 18403 transitions. Word has length 269 [2023-11-23 22:43:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:12,188 INFO L495 AbstractCegarLoop]: Abstraction has 15744 states and 18403 transitions. [2023-11-23 22:43:12,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-23 22:43:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15744 states and 18403 transitions. [2023-11-23 22:43:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-23 22:43:12,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:12,196 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:12,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 22:43:12,197 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:12,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -181670248, now seen corresponding path program 1 times [2023-11-23 22:43:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:12,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315356615] [2023-11-23 22:43:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:12,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 22:43:12,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:12,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315356615] [2023-11-23 22:43:12,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315356615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:12,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:12,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:12,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185058551] [2023-11-23 22:43:12,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:12,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:12,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:12,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:12,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:12,420 INFO L87 Difference]: Start difference. First operand 15744 states and 18403 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-23 22:43:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:13,400 INFO L93 Difference]: Finished difference Result 32402 states and 37949 transitions. [2023-11-23 22:43:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:13,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 280 [2023-11-23 22:43:13,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:13,433 INFO L225 Difference]: With dead ends: 32402 [2023-11-23 22:43:13,433 INFO L226 Difference]: Without dead ends: 18135 [2023-11-23 22:43:13,449 INFO L412 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 [2023-11-23 22:43:13,450 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 192 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:13,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 149 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 22:43:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18135 states. [2023-11-23 22:43:13,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18135 to 13159. [2023-11-23 22:43:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13159 states, 13158 states have (on average 1.1722146222830216) internal successors, (15424), 13158 states have internal predecessors, (15424), 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) [2023-11-23 22:43:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 15424 transitions. [2023-11-23 22:43:13,757 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 15424 transitions. Word has length 280 [2023-11-23 22:43:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:13,758 INFO L495 AbstractCegarLoop]: Abstraction has 13159 states and 15424 transitions. [2023-11-23 22:43:13,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-23 22:43:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 15424 transitions. [2023-11-23 22:43:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-23 22:43:13,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:13,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:13,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 22:43:13,768 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:13,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:13,769 INFO L85 PathProgramCache]: Analyzing trace with hash -501075488, now seen corresponding path program 1 times [2023-11-23 22:43:13,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:13,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189037257] [2023-11-23 22:43:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:13,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-23 22:43:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:14,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189037257] [2023-11-23 22:43:14,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189037257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:14,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:14,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58037584] [2023-11-23 22:43:14,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:14,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:14,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:14,045 INFO L87 Difference]: Start difference. First operand 13159 states and 15424 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-11-23 22:43:15,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:15,015 INFO L93 Difference]: Finished difference Result 28712 states and 33937 transitions. [2023-11-23 22:43:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:15,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 300 [2023-11-23 22:43:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:15,053 INFO L225 Difference]: With dead ends: 28712 [2023-11-23 22:43:15,053 INFO L226 Difference]: Without dead ends: 15922 [2023-11-23 22:43:15,065 INFO L412 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 [2023-11-23 22:43:15,066 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 180 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:15,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 157 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:43:15,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15922 states. [2023-11-23 22:43:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15922 to 13144. [2023-11-23 22:43:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13144 states, 13143 states have (on average 1.151791828349692) internal successors, (15138), 13143 states have internal predecessors, (15138), 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) [2023-11-23 22:43:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13144 states to 13144 states and 15138 transitions. [2023-11-23 22:43:15,308 INFO L78 Accepts]: Start accepts. Automaton has 13144 states and 15138 transitions. Word has length 300 [2023-11-23 22:43:15,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:15,309 INFO L495 AbstractCegarLoop]: Abstraction has 13144 states and 15138 transitions. [2023-11-23 22:43:15,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-11-23 22:43:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13144 states and 15138 transitions. [2023-11-23 22:43:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-11-23 22:43:15,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:15,378 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:15,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 22:43:15,379 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:15,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash -43649468, now seen corresponding path program 1 times [2023-11-23 22:43:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623459435] [2023-11-23 22:43:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-23 22:43:15,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:15,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623459435] [2023-11-23 22:43:15,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623459435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:15,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:15,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:43:15,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602068319] [2023-11-23 22:43:15,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:15,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:15,687 INFO L87 Difference]: Start difference. First operand 13144 states and 15138 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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) [2023-11-23 22:43:16,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:16,210 INFO L93 Difference]: Finished difference Result 25171 states and 28966 transitions. [2023-11-23 22:43:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:16,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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 307 [2023-11-23 22:43:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:16,235 INFO L225 Difference]: With dead ends: 25171 [2023-11-23 22:43:16,235 INFO L226 Difference]: Without dead ends: 12396 [2023-11-23 22:43:16,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:16,244 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 186 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:16,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 35 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 22:43:16,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2023-11-23 22:43:16,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 12394. [2023-11-23 22:43:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12394 states, 12393 states have (on average 1.1461308803356733) internal successors, (14204), 12393 states have internal predecessors, (14204), 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) [2023-11-23 22:43:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12394 states to 12394 states and 14204 transitions. [2023-11-23 22:43:16,484 INFO L78 Accepts]: Start accepts. Automaton has 12394 states and 14204 transitions. Word has length 307 [2023-11-23 22:43:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:16,552 INFO L495 AbstractCegarLoop]: Abstraction has 12394 states and 14204 transitions. [2023-11-23 22:43:16,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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) [2023-11-23 22:43:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12394 states and 14204 transitions. [2023-11-23 22:43:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-11-23 22:43:16,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:16,563 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:16,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 22:43:16,563 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:16,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:16,564 INFO L85 PathProgramCache]: Analyzing trace with hash 697630297, now seen corresponding path program 1 times [2023-11-23 22:43:16,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:16,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55073635] [2023-11-23 22:43:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-23 22:43:16,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:16,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55073635] [2023-11-23 22:43:16,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55073635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:16,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:16,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:16,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535555663] [2023-11-23 22:43:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:16,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:16,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:16,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:16,956 INFO L87 Difference]: Start difference. First operand 12394 states and 14204 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2023-11-23 22:43:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:17,951 INFO L93 Difference]: Finished difference Result 27737 states and 31820 transitions. [2023-11-23 22:43:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:17,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 329 [2023-11-23 22:43:17,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:18,043 INFO L225 Difference]: With dead ends: 27737 [2023-11-23 22:43:18,044 INFO L226 Difference]: Without dead ends: 15712 [2023-11-23 22:43:18,050 INFO L412 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 [2023-11-23 22:43:18,051 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 179 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:18,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 354 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:43:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15712 states. [2023-11-23 22:43:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15712 to 13686. [2023-11-23 22:43:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13686 states, 13685 states have (on average 1.1305078553160395) internal successors, (15471), 13685 states have internal predecessors, (15471), 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) [2023-11-23 22:43:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13686 states to 13686 states and 15471 transitions. [2023-11-23 22:43:18,333 INFO L78 Accepts]: Start accepts. Automaton has 13686 states and 15471 transitions. Word has length 329 [2023-11-23 22:43:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:18,333 INFO L495 AbstractCegarLoop]: Abstraction has 13686 states and 15471 transitions. [2023-11-23 22:43:18,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2023-11-23 22:43:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 13686 states and 15471 transitions. [2023-11-23 22:43:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-11-23 22:43:18,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:43:18,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:18,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 22:43:18,349 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:43:18,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:18,349 INFO L85 PathProgramCache]: Analyzing trace with hash 211286778, now seen corresponding path program 1 times [2023-11-23 22:43:18,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:18,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525197422] [2023-11-23 22:43:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-23 22:43:18,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:18,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525197422] [2023-11-23 22:43:18,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525197422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:18,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:18,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:43:18,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412484368] [2023-11-23 22:43:18,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:18,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:43:18,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:18,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:43:18,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:43:18,640 INFO L87 Difference]: Start difference. First operand 13686 states and 15471 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-23 22:43:19,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:19,542 INFO L93 Difference]: Finished difference Result 27921 states and 31576 transitions. [2023-11-23 22:43:19,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:43:19,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 336 [2023-11-23 22:43:19,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:43:19,543 INFO L225 Difference]: With dead ends: 27921 [2023-11-23 22:43:19,543 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 22:43:19,551 INFO L412 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 [2023-11-23 22:43:19,552 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 188 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 22:43:19,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 302 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 22:43:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 22:43:19,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 22:43:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:43:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 22:43:19,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2023-11-23 22:43:19,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:43:19,554 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:43:19,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-23 22:43:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:43:19,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 22:43:19,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:43:19,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 22:43:19,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 22:43:23,019 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-23 22:43:23,019 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,019 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-23 22:43:23,019 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,019 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,020 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,021 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-23 22:43:23,022 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,023 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,024 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-11-23 22:43:23,025 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,026 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,027 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,028 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,028 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,028 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,029 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= 247 ~a29~0)) (.cse5 (<= ~a23~0 138)) (.cse6 (<= ~a29~0 140)) (.cse0 (= ~a4~0 1)) (.cse3 (<= 10 ~a25~0)) (.cse4 (= ~a4~0 0)) (.cse1 (= ~a8~0 15)) (.cse7 (<= ~a23~0 137))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and .cse4 .cse1 (= ~a25~0 10) (<= ~a29~0 130)) (and .cse3 .cse4 .cse5 .cse1 .cse2) (and .cse6 .cse4 .cse5 .cse1) (and (= ~a25~0 12) .cse4 .cse1) (and .cse5 .cse0 .cse1) (and .cse6 .cse0 .cse1) (and (<= 262 ~a29~0) .cse4 .cse1 .cse7) (and (<= 307 ~a23~0) .cse0 .cse1) (and .cse3 .cse4 .cse1 .cse7))) [2023-11-23 22:43:23,029 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,029 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,029 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,029 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-23 22:43:23,030 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,031 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 22:43:23,032 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,033 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,034 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-23 22:43:23,035 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,036 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-23 22:43:23,037 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,038 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,039 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,040 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,041 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,042 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,043 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,044 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,045 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,046 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-23 22:43:23,047 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,048 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,049 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,050 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,051 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,052 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,053 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-23 22:43:23,057 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:23,059 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:43:23,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:43:23 BoogieIcfgContainer [2023-11-23 22:43:23,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:43:23,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:43:23,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:43:23,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:43:23,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:51" (3/4) ... [2023-11-23 22:43:23,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:43:23,099 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 22:43:23,101 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 22:43:23,103 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:43:23,105 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:43:23,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:43:23,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:43:23,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:43:23,324 INFO L158 Benchmark]: Toolchain (without parser) took 35959.51ms. Allocated memory was 155.2MB in the beginning and 618.7MB in the end (delta: 463.5MB). Free memory was 108.5MB in the beginning and 182.2MB in the end (delta: -73.7MB). Peak memory consumption was 392.0MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,325 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:23,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.63ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 112.8MB in the end (delta: -4.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.37ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 95.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,326 INFO L158 Benchmark]: Boogie Preprocessor took 255.32ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 69.9MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,327 INFO L158 Benchmark]: RCFGBuilder took 2281.94ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 69.9MB in the beginning and 152.4MB in the end (delta: -82.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,327 INFO L158 Benchmark]: TraceAbstraction took 31943.18ms. Allocated memory was 209.7MB in the beginning and 618.7MB in the end (delta: 408.9MB). Free memory was 151.3MB in the beginning and 200.0MB in the end (delta: -48.7MB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,328 INFO L158 Benchmark]: Witness Printer took 249.41ms. Allocated memory is still 618.7MB. Free memory was 200.0MB in the beginning and 182.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 22:43:23,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.63ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 112.8MB in the end (delta: -4.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.37ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 95.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 255.32ms. Allocated memory is still 155.2MB. Free memory was 95.2MB in the beginning and 69.9MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2281.94ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 69.9MB in the beginning and 152.4MB in the end (delta: -82.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * TraceAbstraction took 31943.18ms. Allocated memory was 209.7MB in the beginning and 618.7MB in the end (delta: 408.9MB). Free memory was 151.3MB in the beginning and 200.0MB in the end (delta: -48.7MB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. * Witness Printer took 249.41ms. Allocated memory is still 618.7MB. Free memory was 200.0MB in the beginning and 182.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 94]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 18, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2896 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2896 mSDsluCounter, 3466 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 368 mSDsCounter, 1677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9975 IncrementalHoareTripleChecker+Invalid, 11652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1677 mSolverCounterUnsat, 3098 mSDtfsCounter, 9975 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15744occurred in iteration=13, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 12777 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 80 NumberOfFragments, 129 HoareAnnotationTreeSize, 1 FomulaSimplifications, 2562 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 4141 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3639 NumberOfCodeBlocks, 3639 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3621 ConstructedInterpolants, 0 QuantifiedInterpolants, 7325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 2190/2190 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((a4 == 1) && (a8 == 15)) && (247 <= a29)) || (((10 <= a25) && (a4 == 1)) && (a8 == 15))) || ((((a4 == 0) && (a8 == 15)) && (a25 == 10)) && (a29 <= 130))) || (((((10 <= a25) && (a4 == 0)) && (a23 <= 138)) && (a8 == 15)) && (247 <= a29))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 138)) && (a8 == 15))) || (((a25 == 12) && (a4 == 0)) && (a8 == 15))) || (((a23 <= 138) && (a4 == 1)) && (a8 == 15))) || (((a29 <= 140) && (a4 == 1)) && (a8 == 15))) || ((((262 <= a29) && (a4 == 0)) && (a8 == 15)) && (a23 <= 137))) || (((307 <= a23) && (a4 == 1)) && (a8 == 15))) || ((((10 <= a25) && (a4 == 0)) && (a8 == 15)) && (a23 <= 137))) RESULT: Ultimate proved your program to be correct! [2023-11-23 22:43:23,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8a125-88c5-4ea6-8e73-2e8d84e461bf/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE