./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:21:27,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:21:27,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:21:27,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:21:27,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:21:27,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:21:27,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:21:27,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:21:27,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:21:27,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:21:27,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:21:27,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:21:27,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:21:27,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:21:27,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:21:27,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:21:27,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:21:27,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:21:27,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:21:27,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:21:27,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:21:27,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:21:27,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:21:27,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:21:27,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:21:27,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:21:27,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:21:27,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:21:27,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:21:27,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:21:27,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:21:27,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:21:27,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:21:27,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:21:27,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:21:27,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:21:27,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:21:27,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:21:27,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:21:27,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:21:27,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:21:27,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 18:21:27,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:21:27,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:21:27,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:21:27,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:21:27,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:21:27,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:21:27,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:21:27,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:21:27,373 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:21:27,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:21:27,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:21:27,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:21:27,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:21:27,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:21:27,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:21:27,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:21:27,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:21:27,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:21:27,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:21:27,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:21:27,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:21:27,377 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:21:27,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:21:27,377 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:21:27,377 INFO L138 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_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 [2022-12-13 18:21:27,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:21:27,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:21:27,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:21:27,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:21:27,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:21:27,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2022-12-13 18:21:30,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:21:30,416 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:21:30,416 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2022-12-13 18:21:30,427 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/data/39e2ceddb/0d1081ddd3c24124bb017a04c1320836/FLAGa39b21357 [2022-12-13 18:21:30,765 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/data/39e2ceddb/0d1081ddd3c24124bb017a04c1320836 [2022-12-13 18:21:30,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:21:30,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:21:30,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:21:30,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:21:30,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:21:30,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:21:30" (1/1) ... [2022-12-13 18:21:30,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54da7697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:30, skipping insertion in model container [2022-12-13 18:21:30,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:21:30" (1/1) ... [2022-12-13 18:21:30,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:21:30,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:21:30,992 WARN L237 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_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2022-12-13 18:21:31,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:21:31,276 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:21:31,300 WARN L237 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_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2022-12-13 18:21:31,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:21:31,477 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:21:31,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31 WrapperNode [2022-12-13 18:21:31,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:21:31,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:21:31,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:21:31,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:21:31,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,586 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-12-13 18:21:31,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:21:31,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:21:31,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:21:31,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:21:31,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:21:31,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:21:31,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:21:31,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:21:31,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (1/1) ... [2022-12-13 18:21:31,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:21:31,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:21:31,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:21:31,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:21:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:21:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:21:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:21:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:21:31,790 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:21:31,791 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:21:33,454 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:21:33,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:21:33,462 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:21:33,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:21:33 BoogieIcfgContainer [2022-12-13 18:21:33,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:21:33,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:21:33,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:21:33,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:21:33,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:21:30" (1/3) ... [2022-12-13 18:21:33,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69636800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:21:33, skipping insertion in model container [2022-12-13 18:21:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:21:31" (2/3) ... [2022-12-13 18:21:33,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69636800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:21:33, skipping insertion in model container [2022-12-13 18:21:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:21:33" (3/3) ... [2022-12-13 18:21:33,471 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label28.c [2022-12-13 18:21:33,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:21:33,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:21:33,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:21:33,536 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=LoopsAndPotentialCycles, 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;@25592466, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:21:33,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:21:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) [2022-12-13 18:21:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 18:21:33,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:33,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:33,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2022-12-13 18:21:33,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:33,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614602409] [2022-12-13 18:21:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:21:33,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:33,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614602409] [2022-12-13 18:21:33,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614602409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:33,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:33,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267034277] [2022-12-13 18:21:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:33,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:21:33,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:21:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:21:33,966 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-12-13 18:21:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:36,249 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2022-12-13 18:21:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:21:36,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2022-12-13 18:21:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:36,268 INFO L225 Difference]: With dead ends: 1456 [2022-12-13 18:21:36,269 INFO L226 Difference]: Without dead ends: 991 [2022-12-13 18:21:36,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:21:36,276 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1023 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:36,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 96 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 18:21:36,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-12-13 18:21:36,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2022-12-13 18:21:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 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) [2022-12-13 18:21:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2022-12-13 18:21:36,353 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 66 [2022-12-13 18:21:36,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:36,353 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2022-12-13 18:21:36,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-12-13 18:21:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2022-12-13 18:21:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 18:21:36,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:36,362 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:36,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:21:36,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:36,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1595869454, now seen corresponding path program 1 times [2022-12-13 18:21:36,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:36,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502847357] [2022-12-13 18:21:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:21:36,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:36,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502847357] [2022-12-13 18:21:36,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502847357] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:36,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:36,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:36,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748474463] [2022-12-13 18:21:36,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:36,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:36,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:36,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:36,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:36,589 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2022-12-13 18:21:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:37,653 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2022-12-13 18:21:37,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:37,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 256 [2022-12-13 18:21:37,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:37,659 INFO L225 Difference]: With dead ends: 1980 [2022-12-13 18:21:37,659 INFO L226 Difference]: Without dead ends: 1320 [2022-12-13 18:21:37,661 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 [2022-12-13 18:21:37,662 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 279 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:37,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 539 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 18:21:37,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-12-13 18:21:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-12-13 18:21:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 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) [2022-12-13 18:21:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2022-12-13 18:21:37,696 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 256 [2022-12-13 18:21:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:37,697 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2022-12-13 18:21:37,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2022-12-13 18:21:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2022-12-13 18:21:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-13 18:21:37,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:37,702 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:37,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:21:37,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:37,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:37,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1780445252, now seen corresponding path program 1 times [2022-12-13 18:21:37,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:37,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116799120] [2022-12-13 18:21:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:37,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 18:21:37,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116799120] [2022-12-13 18:21:37,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116799120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:37,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:37,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:21:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75375881] [2022-12-13 18:21:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:37,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:37,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:37,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:37,956 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 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) [2022-12-13 18:21:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:39,259 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2022-12-13 18:21:39,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:39,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 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 259 [2022-12-13 18:21:39,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:39,265 INFO L225 Difference]: With dead ends: 3296 [2022-12-13 18:21:39,266 INFO L226 Difference]: Without dead ends: 1978 [2022-12-13 18:21:39,267 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 [2022-12-13 18:21:39,267 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 339 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:39,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 156 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 18:21:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-12-13 18:21:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2022-12-13 18:21:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 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) [2022-12-13 18:21:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2022-12-13 18:21:39,292 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 259 [2022-12-13 18:21:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:39,293 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2022-12-13 18:21:39,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 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) [2022-12-13 18:21:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2022-12-13 18:21:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-13 18:21:39,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:39,297 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:39,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:21:39,297 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:39,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1858080163, now seen corresponding path program 1 times [2022-12-13 18:21:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:39,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762293574] [2022-12-13 18:21:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 18:21:39,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:39,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762293574] [2022-12-13 18:21:39,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762293574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:39,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:39,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:21:39,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299349429] [2022-12-13 18:21:39,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:39,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:39,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:39,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:39,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:39,493 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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) [2022-12-13 18:21:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:40,193 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2022-12-13 18:21:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 385 [2022-12-13 18:21:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:40,201 INFO L225 Difference]: With dead ends: 3954 [2022-12-13 18:21:40,201 INFO L226 Difference]: Without dead ends: 2307 [2022-12-13 18:21:40,202 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 [2022-12-13 18:21:40,203 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 262 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:40,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 31 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:21:40,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2022-12-13 18:21:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2022-12-13 18:21:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 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) [2022-12-13 18:21:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2022-12-13 18:21:40,229 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 385 [2022-12-13 18:21:40,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:40,229 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2022-12-13 18:21:40,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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) [2022-12-13 18:21:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2022-12-13 18:21:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-13 18:21:40,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:40,239 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 18:21:40,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:21:40,240 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:40,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -461925515, now seen corresponding path program 1 times [2022-12-13 18:21:40,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:40,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276055445] [2022-12-13 18:21:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:40,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:40,638 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-13 18:21:40,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:40,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276055445] [2022-12-13 18:21:40,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276055445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:40,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:40,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:40,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314784427] [2022-12-13 18:21:40,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:40,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:40,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:40,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:40,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:40,642 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-12-13 18:21:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:41,410 INFO L93 Difference]: Finished difference Result 5928 states and 6509 transitions. [2022-12-13 18:21:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:41,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 643 [2022-12-13 18:21:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:41,419 INFO L225 Difference]: With dead ends: 5928 [2022-12-13 18:21:41,419 INFO L226 Difference]: Without dead ends: 3952 [2022-12-13 18:21:41,421 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 [2022-12-13 18:21:41,422 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 220 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:41,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 427 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:21:41,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-12-13 18:21:41,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-12-13 18:21:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0627689192609466) internal successors, (4199), 3951 states have internal predecessors, (4199), 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) [2022-12-13 18:21:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4199 transitions. [2022-12-13 18:21:41,485 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4199 transitions. Word has length 643 [2022-12-13 18:21:41,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:41,486 INFO L495 AbstractCegarLoop]: Abstraction has 3952 states and 4199 transitions. [2022-12-13 18:21:41,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-12-13 18:21:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4199 transitions. [2022-12-13 18:21:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2022-12-13 18:21:41,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:41,494 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 18:21:41,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:21:41,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1383802521, now seen corresponding path program 1 times [2022-12-13 18:21:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:41,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882055752] [2022-12-13 18:21:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:41,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 775 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-13 18:21:41,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:41,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882055752] [2022-12-13 18:21:41,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882055752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:41,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:41,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:41,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554032856] [2022-12-13 18:21:41,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:41,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:41,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:41,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:41,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:41,895 INFO L87 Difference]: Start difference. First operand 3952 states and 4199 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2022-12-13 18:21:42,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:42,625 INFO L93 Difference]: Finished difference Result 9218 states and 9907 transitions. [2022-12-13 18:21:42,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:42,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 706 [2022-12-13 18:21:42,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:42,634 INFO L225 Difference]: With dead ends: 9218 [2022-12-13 18:21:42,634 INFO L226 Difference]: Without dead ends: 5597 [2022-12-13 18:21:42,637 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 [2022-12-13 18:21:42,637 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 171 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:42,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 432 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:21:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2022-12-13 18:21:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2022-12-13 18:21:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0546819156540386) internal successors, (5902), 5596 states have internal predecessors, (5902), 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) [2022-12-13 18:21:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5902 transitions. [2022-12-13 18:21:42,704 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5902 transitions. Word has length 706 [2022-12-13 18:21:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:42,704 INFO L495 AbstractCegarLoop]: Abstraction has 5597 states and 5902 transitions. [2022-12-13 18:21:42,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2022-12-13 18:21:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5902 transitions. [2022-12-13 18:21:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2022-12-13 18:21:42,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:42,710 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 18:21:42,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:21:42,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:42,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:42,710 INFO L85 PathProgramCache]: Analyzing trace with hash -698272103, now seen corresponding path program 1 times [2022-12-13 18:21:42,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:42,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527475462] [2022-12-13 18:21:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:42,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 340 proven. 482 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-12-13 18:21:43,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:43,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527475462] [2022-12-13 18:21:43,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527475462] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:21:43,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957506198] [2022-12-13 18:21:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:43,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:21:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:21:43,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:21:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:21:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:43,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:21:43,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:21:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-12-13 18:21:43,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:21:43,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957506198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:43,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:21:43,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 18:21:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309230783] [2022-12-13 18:21:43,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:43,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:43,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:43,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:43,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:21:43,934 INFO L87 Difference]: Start difference. First operand 5597 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 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) [2022-12-13 18:21:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:44,586 INFO L93 Difference]: Finished difference Result 10863 states and 11471 transitions. [2022-12-13 18:21:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 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) Word has length 731 [2022-12-13 18:21:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:44,601 INFO L225 Difference]: With dead ends: 10863 [2022-12-13 18:21:44,601 INFO L226 Difference]: Without dead ends: 5597 [2022-12-13 18:21:44,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 731 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:21:44,606 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 258 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:44,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:21:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2022-12-13 18:21:44,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2022-12-13 18:21:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.046819156540386) internal successors, (5858), 5596 states have internal predecessors, (5858), 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) [2022-12-13 18:21:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5858 transitions. [2022-12-13 18:21:44,681 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5858 transitions. Word has length 731 [2022-12-13 18:21:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:44,682 INFO L495 AbstractCegarLoop]: Abstraction has 5597 states and 5858 transitions. [2022-12-13 18:21:44,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 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) [2022-12-13 18:21:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5858 transitions. [2022-12-13 18:21:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2022-12-13 18:21:44,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:44,689 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:44,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:21:44,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:21:44,890 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:44,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:44,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1277853278, now seen corresponding path program 1 times [2022-12-13 18:21:44,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:44,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856760774] [2022-12-13 18:21:44,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 730 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-12-13 18:21:45,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856760774] [2022-12-13 18:21:45,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856760774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:45,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:45,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110566152] [2022-12-13 18:21:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:45,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:45,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:45,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:45,355 INFO L87 Difference]: Start difference. First operand 5597 states and 5858 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2022-12-13 18:21:45,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:45,958 INFO L93 Difference]: Finished difference Result 10863 states and 11383 transitions. [2022-12-13 18:21:45,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:45,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 834 [2022-12-13 18:21:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:45,967 INFO L225 Difference]: With dead ends: 10863 [2022-12-13 18:21:45,967 INFO L226 Difference]: Without dead ends: 5597 [2022-12-13 18:21:45,970 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 [2022-12-13 18:21:45,971 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 240 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:45,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 410 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:21:45,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2022-12-13 18:21:46,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5268. [2022-12-13 18:21:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5268 states, 5267 states have (on average 1.0368331118283654) internal successors, (5461), 5267 states have internal predecessors, (5461), 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) [2022-12-13 18:21:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5461 transitions. [2022-12-13 18:21:46,026 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5461 transitions. Word has length 834 [2022-12-13 18:21:46,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:46,027 INFO L495 AbstractCegarLoop]: Abstraction has 5268 states and 5461 transitions. [2022-12-13 18:21:46,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2022-12-13 18:21:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5461 transitions. [2022-12-13 18:21:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2022-12-13 18:21:46,056 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:46,056 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:46,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:21:46,057 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:46,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2126635857, now seen corresponding path program 1 times [2022-12-13 18:21:46,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:46,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347693587] [2022-12-13 18:21:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:46,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 784 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-12-13 18:21:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:46,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347693587] [2022-12-13 18:21:46,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347693587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:46,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:46,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028910776] [2022-12-13 18:21:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:46,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:46,467 INFO L87 Difference]: Start difference. First operand 5268 states and 5461 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-12-13 18:21:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:47,209 INFO L93 Difference]: Finished difference Result 11850 states and 12329 transitions. [2022-12-13 18:21:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:47,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 851 [2022-12-13 18:21:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:47,224 INFO L225 Difference]: With dead ends: 11850 [2022-12-13 18:21:47,224 INFO L226 Difference]: Without dead ends: 6584 [2022-12-13 18:21:47,227 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 [2022-12-13 18:21:47,228 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 219 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:47,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 81 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:21:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2022-12-13 18:21:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2022-12-13 18:21:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6583 states have (on average 1.0308370044052864) internal successors, (6786), 6583 states have internal predecessors, (6786), 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) [2022-12-13 18:21:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6786 transitions. [2022-12-13 18:21:47,304 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6786 transitions. Word has length 851 [2022-12-13 18:21:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:47,304 INFO L495 AbstractCegarLoop]: Abstraction has 6584 states and 6786 transitions. [2022-12-13 18:21:47,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-12-13 18:21:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6786 transitions. [2022-12-13 18:21:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1218 [2022-12-13 18:21:47,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:47,328 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:21:47,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:21:47,329 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:47,329 INFO L85 PathProgramCache]: Analyzing trace with hash -530499682, now seen corresponding path program 1 times [2022-12-13 18:21:47,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:47,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917023871] [2022-12-13 18:21:47,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1747 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-12-13 18:21:48,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:48,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917023871] [2022-12-13 18:21:48,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917023871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:21:48,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:21:48,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:21:48,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141089932] [2022-12-13 18:21:48,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:21:48,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:21:48,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:48,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:21:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:21:48,341 INFO L87 Difference]: Start difference. First operand 6584 states and 6786 transitions. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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) [2022-12-13 18:21:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:21:49,043 INFO L93 Difference]: Finished difference Result 14153 states and 14621 transitions. [2022-12-13 18:21:49,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:21:49,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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 1217 [2022-12-13 18:21:49,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:21:49,051 INFO L225 Difference]: With dead ends: 14153 [2022-12-13 18:21:49,051 INFO L226 Difference]: Without dead ends: 7571 [2022-12-13 18:21:49,055 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 [2022-12-13 18:21:49,055 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:21:49,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 437 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:21:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2022-12-13 18:21:49,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2022-12-13 18:21:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0276089828269486) internal successors, (7779), 7570 states have internal predecessors, (7779), 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) [2022-12-13 18:21:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7779 transitions. [2022-12-13 18:21:49,109 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7779 transitions. Word has length 1217 [2022-12-13 18:21:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:21:49,109 INFO L495 AbstractCegarLoop]: Abstraction has 7571 states and 7779 transitions. [2022-12-13 18:21:49,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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) [2022-12-13 18:21:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7779 transitions. [2022-12-13 18:21:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2022-12-13 18:21:49,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:21:49,135 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-12-13 18:21:49,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:21:49,135 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:21:49,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:21:49,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1987271917, now seen corresponding path program 1 times [2022-12-13 18:21:49,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:21:49,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514387273] [2022-12-13 18:21:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:49,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:21:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 2214 proven. 54 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-12-13 18:21:51,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:21:51,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514387273] [2022-12-13 18:21:51,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514387273] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:21:51,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999735403] [2022-12-13 18:21:51,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:21:51,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:21:51,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:21:51,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:21:51,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:21:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:21:51,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:21:51,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:21:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 1484 proven. 201 refuted. 0 times theorem prover too weak. 1349 trivial. 0 not checked. [2022-12-13 18:21:53,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:21:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 1484 proven. 201 refuted. 0 times theorem prover too weak. 1349 trivial. 0 not checked. [2022-12-13 18:21:57,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999735403] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:21:57,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:21:57,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2022-12-13 18:21:57,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603654717] [2022-12-13 18:21:57,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:21:57,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:21:57,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:21:57,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:21:57,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:21:57,080 INFO L87 Difference]: Start difference. First operand 7571 states and 7779 transitions. Second operand has 10 states, 10 states have (on average 178.6) internal successors, (1786), 10 states have internal predecessors, (1786), 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) [2022-12-13 18:22:00,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:00,177 INFO L93 Difference]: Finished difference Result 15798 states and 16245 transitions. [2022-12-13 18:22:00,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:22:00,177 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 178.6) internal successors, (1786), 10 states have internal predecessors, (1786), 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 1235 [2022-12-13 18:22:00,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:00,189 INFO L225 Difference]: With dead ends: 15798 [2022-12-13 18:22:00,189 INFO L226 Difference]: Without dead ends: 8558 [2022-12-13 18:22:00,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2483 GetRequests, 2472 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:22:00,194 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 880 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6619 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 6742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 6619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:00,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 89 Invalid, 6742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 6619 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 18:22:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2022-12-13 18:22:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 7900. [2022-12-13 18:22:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.026459045448791) internal successors, (8108), 7899 states have internal predecessors, (8108), 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) [2022-12-13 18:22:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8108 transitions. [2022-12-13 18:22:00,268 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8108 transitions. Word has length 1235 [2022-12-13 18:22:00,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:00,268 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 8108 transitions. [2022-12-13 18:22:00,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 178.6) internal successors, (1786), 10 states have internal predecessors, (1786), 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) [2022-12-13 18:22:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8108 transitions. [2022-12-13 18:22:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2022-12-13 18:22:00,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:00,283 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-12-13 18:22:00,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:22:00,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 18:22:00,484 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:00,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:00,485 INFO L85 PathProgramCache]: Analyzing trace with hash -630012129, now seen corresponding path program 1 times [2022-12-13 18:22:00,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:00,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775941705] [2022-12-13 18:22:00,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:00,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4482 backedges. 1968 proven. 156 refuted. 0 times theorem prover too weak. 2358 trivial. 0 not checked. [2022-12-13 18:22:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775941705] [2022-12-13 18:22:02,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775941705] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646809477] [2022-12-13 18:22:02,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:02,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:02,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:22:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:02,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:22:02,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4482 backedges. 1536 proven. 0 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-12-13 18:22:02,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:02,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646809477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:02,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:02,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-12-13 18:22:02,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480387549] [2022-12-13 18:22:02,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:02,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:02,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:02,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:02,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:02,942 INFO L87 Difference]: Start difference. First operand 7900 states and 8108 transitions. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2022-12-13 18:22:03,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:03,859 INFO L93 Difference]: Finished difference Result 17114 states and 17614 transitions. [2022-12-13 18:22:03,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:03,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 1530 [2022-12-13 18:22:03,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:03,872 INFO L225 Difference]: With dead ends: 17114 [2022-12-13 18:22:03,872 INFO L226 Difference]: Without dead ends: 9545 [2022-12-13 18:22:03,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1529 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:03,878 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 180 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:03,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 32 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 18:22:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2022-12-13 18:22:03,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 8887. [2022-12-13 18:22:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.030159801935629) internal successors, (9154), 8886 states have internal predecessors, (9154), 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) [2022-12-13 18:22:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9154 transitions. [2022-12-13 18:22:03,952 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9154 transitions. Word has length 1530 [2022-12-13 18:22:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:03,953 INFO L495 AbstractCegarLoop]: Abstraction has 8887 states and 9154 transitions. [2022-12-13 18:22:03,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2022-12-13 18:22:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9154 transitions. [2022-12-13 18:22:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1576 [2022-12-13 18:22:03,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:03,969 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2022-12-13 18:22:03,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 18:22:04,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 18:22:04,170 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash 603255780, now seen corresponding path program 1 times [2022-12-13 18:22:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:04,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779099706] [2022-12-13 18:22:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4639 backedges. 2013 proven. 156 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2022-12-13 18:22:06,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:06,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779099706] [2022-12-13 18:22:06,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779099706] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:06,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382676685] [2022-12-13 18:22:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:06,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:06,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:06,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:06,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:22:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:06,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:22:06,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4639 backedges. 2169 proven. 0 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2022-12-13 18:22:07,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:07,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382676685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:07,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:07,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-12-13 18:22:07,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619464744] [2022-12-13 18:22:07,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:07,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:07,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:07,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:07,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:07,008 INFO L87 Difference]: Start difference. First operand 8887 states and 9154 transitions. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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) [2022-12-13 18:22:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:07,717 INFO L93 Difference]: Finished difference Result 19088 states and 19665 transitions. [2022-12-13 18:22:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:07,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 1575 [2022-12-13 18:22:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:07,725 INFO L225 Difference]: With dead ends: 19088 [2022-12-13 18:22:07,725 INFO L226 Difference]: Without dead ends: 10532 [2022-12-13 18:22:07,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1579 GetRequests, 1574 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:07,730 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:07,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 97 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 18:22:07,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2022-12-13 18:22:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2022-12-13 18:22:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0271579147279462) internal successors, (10817), 10531 states have internal predecessors, (10817), 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) [2022-12-13 18:22:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 10817 transitions. [2022-12-13 18:22:07,807 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 10817 transitions. Word has length 1575 [2022-12-13 18:22:07,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:07,808 INFO L495 AbstractCegarLoop]: Abstraction has 10532 states and 10817 transitions. [2022-12-13 18:22:07,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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) [2022-12-13 18:22:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 10817 transitions. [2022-12-13 18:22:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1747 [2022-12-13 18:22:07,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:07,826 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:07,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 18:22:08,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 18:22:08,027 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash 415836027, now seen corresponding path program 1 times [2022-12-13 18:22:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:08,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039185433] [2022-12-13 18:22:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5803 backedges. 3714 proven. 101 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked. [2022-12-13 18:22:10,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:10,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039185433] [2022-12-13 18:22:10,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039185433] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:10,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91114157] [2022-12-13 18:22:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:10,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:10,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 18:22:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:10,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:22:10,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5803 backedges. 3815 proven. 0 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked. [2022-12-13 18:22:11,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:11,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91114157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:11,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:11,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2022-12-13 18:22:11,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453229634] [2022-12-13 18:22:11,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:11,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:22:11,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:11,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:22:11,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:22:11,856 INFO L87 Difference]: Start difference. First operand 10532 states and 10817 transitions. Second operand has 4 states, 4 states have (on average 201.5) internal successors, (806), 4 states have internal predecessors, (806), 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) [2022-12-13 18:22:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:12,961 INFO L93 Difference]: Finished difference Result 21391 states and 21973 transitions. [2022-12-13 18:22:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:22:12,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 201.5) internal successors, (806), 4 states have internal predecessors, (806), 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 1746 [2022-12-13 18:22:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:12,972 INFO L225 Difference]: With dead ends: 21391 [2022-12-13 18:22:12,972 INFO L226 Difference]: Without dead ends: 10861 [2022-12-13 18:22:12,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1754 GetRequests, 1748 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:22:12,978 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 236 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:12,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 38 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 18:22:12,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2022-12-13 18:22:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10861. [2022-12-13 18:22:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.02292817679558) internal successors, (11109), 10860 states have internal predecessors, (11109), 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) [2022-12-13 18:22:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11109 transitions. [2022-12-13 18:22:13,057 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11109 transitions. Word has length 1746 [2022-12-13 18:22:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:13,058 INFO L495 AbstractCegarLoop]: Abstraction has 10861 states and 11109 transitions. [2022-12-13 18:22:13,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 201.5) internal successors, (806), 4 states have internal predecessors, (806), 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) [2022-12-13 18:22:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11109 transitions. [2022-12-13 18:22:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1908 [2022-12-13 18:22:13,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:13,082 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:13,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 18:22:13,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 18:22:13,282 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1603497897, now seen corresponding path program 1 times [2022-12-13 18:22:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:13,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287321080] [2022-12-13 18:22:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7132 backedges. 4680 proven. 174 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2022-12-13 18:22:16,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:16,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287321080] [2022-12-13 18:22:16,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287321080] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:16,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040981787] [2022-12-13 18:22:16,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:16,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:16,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:16,047 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:16,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 18:22:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:16,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 2202 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 18:22:16,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7132 backedges. 4709 proven. 0 refuted. 0 times theorem prover too weak. 2423 trivial. 0 not checked. [2022-12-13 18:22:16,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:16,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040981787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:16,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:16,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-13 18:22:16,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207143068] [2022-12-13 18:22:16,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:16,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:16,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:16,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:16,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:16,954 INFO L87 Difference]: Start difference. First operand 10861 states and 11109 transitions. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2022-12-13 18:22:17,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:17,541 INFO L93 Difference]: Finished difference Result 21391 states and 21885 transitions. [2022-12-13 18:22:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:17,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 1907 [2022-12-13 18:22:17,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:17,548 INFO L225 Difference]: With dead ends: 21391 [2022-12-13 18:22:17,548 INFO L226 Difference]: Without dead ends: 10861 [2022-12-13 18:22:17,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1916 GetRequests, 1911 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:22:17,552 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:17,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 430 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 18:22:17,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2022-12-13 18:22:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10861. [2022-12-13 18:22:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.022744014732965) internal successors, (11107), 10860 states have internal predecessors, (11107), 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) [2022-12-13 18:22:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11107 transitions. [2022-12-13 18:22:17,629 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11107 transitions. Word has length 1907 [2022-12-13 18:22:17,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:17,630 INFO L495 AbstractCegarLoop]: Abstraction has 10861 states and 11107 transitions. [2022-12-13 18:22:17,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2022-12-13 18:22:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11107 transitions. [2022-12-13 18:22:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1994 [2022-12-13 18:22:17,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:17,653 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:17,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 18:22:17,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:17,855 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:17,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1682284543, now seen corresponding path program 1 times [2022-12-13 18:22:17,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:17,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332692754] [2022-12-13 18:22:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 7844 backedges. 4466 proven. 1530 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-12-13 18:22:21,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:21,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332692754] [2022-12-13 18:22:21,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332692754] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:21,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540029879] [2022-12-13 18:22:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:21,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:21,008 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:21,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 18:22:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:21,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:22:21,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 7844 backedges. 4442 proven. 0 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2022-12-13 18:22:21,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:21,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540029879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:21,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:21,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 18:22:21,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404387802] [2022-12-13 18:22:21,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:21,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:21,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:21,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:21,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:21,538 INFO L87 Difference]: Start difference. First operand 10861 states and 11107 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2022-12-13 18:22:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:22,116 INFO L93 Difference]: Finished difference Result 22049 states and 22550 transitions. [2022-12-13 18:22:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:22,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 1993 [2022-12-13 18:22:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:22,123 INFO L225 Difference]: With dead ends: 22049 [2022-12-13 18:22:22,123 INFO L226 Difference]: Without dead ends: 11519 [2022-12-13 18:22:22,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1998 GetRequests, 1994 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:22,127 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:22,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 434 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 18:22:22,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2022-12-13 18:22:22,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11519. [2022-12-13 18:22:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.021791977773919) internal successors, (11769), 11518 states have internal predecessors, (11769), 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) [2022-12-13 18:22:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 11769 transitions. [2022-12-13 18:22:22,210 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 11769 transitions. Word has length 1993 [2022-12-13 18:22:22,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:22,211 INFO L495 AbstractCegarLoop]: Abstraction has 11519 states and 11769 transitions. [2022-12-13 18:22:22,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2022-12-13 18:22:22,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 11769 transitions. [2022-12-13 18:22:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2078 [2022-12-13 18:22:22,234 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:22,234 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:22,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 18:22:22,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 18:22:22,437 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:22,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:22,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2108824152, now seen corresponding path program 1 times [2022-12-13 18:22:22,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:22,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811475101] [2022-12-13 18:22:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9012 backedges. 4169 proven. 443 refuted. 0 times theorem prover too weak. 4400 trivial. 0 not checked. [2022-12-13 18:22:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:26,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811475101] [2022-12-13 18:22:26,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811475101] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:26,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396973743] [2022-12-13 18:22:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:26,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:26,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 18:22:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:26,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 18:22:26,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9012 backedges. 5082 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2022-12-13 18:22:27,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:27,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396973743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:27,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:27,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 18:22:27,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235662496] [2022-12-13 18:22:27,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:27,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:27,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:27,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:27,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:22:27,097 INFO L87 Difference]: Start difference. First operand 11519 states and 11769 transitions. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2022-12-13 18:22:27,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:27,777 INFO L93 Difference]: Finished difference Result 26326 states and 26930 transitions. [2022-12-13 18:22:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:27,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 2077 [2022-12-13 18:22:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:27,786 INFO L225 Difference]: With dead ends: 26326 [2022-12-13 18:22:27,786 INFO L226 Difference]: Without dead ends: 14809 [2022-12-13 18:22:27,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2079 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:22:27,791 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:27,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 430 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:22:27,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2022-12-13 18:22:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2022-12-13 18:22:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0209959251329512) internal successors, (14783), 14479 states have internal predecessors, (14783), 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) [2022-12-13 18:22:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14783 transitions. [2022-12-13 18:22:27,914 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14783 transitions. Word has length 2077 [2022-12-13 18:22:27,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:27,914 INFO L495 AbstractCegarLoop]: Abstraction has 14480 states and 14783 transitions. [2022-12-13 18:22:27,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2022-12-13 18:22:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14783 transitions. [2022-12-13 18:22:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2171 [2022-12-13 18:22:27,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:27,940 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:27,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 18:22:28,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 18:22:28,143 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:28,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1632646794, now seen corresponding path program 1 times [2022-12-13 18:22:28,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:28,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550344327] [2022-12-13 18:22:28,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:28,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9680 backedges. 4382 proven. 523 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2022-12-13 18:22:32,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:32,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550344327] [2022-12-13 18:22:32,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550344327] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:32,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890284988] [2022-12-13 18:22:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:32,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:32,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:32,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 18:22:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:33,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 2514 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:22:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9680 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 8913 trivial. 0 not checked. [2022-12-13 18:22:33,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:33,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890284988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:33,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:33,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 18:22:33,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921922921] [2022-12-13 18:22:33,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:33,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:33,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:33,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:22:33,241 INFO L87 Difference]: Start difference. First operand 14480 states and 14783 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2022-12-13 18:22:33,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:33,898 INFO L93 Difference]: Finished difference Result 15140 states and 15445 transitions. [2022-12-13 18:22:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:33,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 2170 [2022-12-13 18:22:33,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:33,908 INFO L225 Difference]: With dead ends: 15140 [2022-12-13 18:22:33,908 INFO L226 Difference]: Without dead ends: 14809 [2022-12-13 18:22:33,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2179 GetRequests, 2172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:22:33,911 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 268 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:33,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 429 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:22:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2022-12-13 18:22:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2022-12-13 18:22:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0208577940465502) internal successors, (14781), 14479 states have internal predecessors, (14781), 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) [2022-12-13 18:22:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14781 transitions. [2022-12-13 18:22:34,023 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14781 transitions. Word has length 2170 [2022-12-13 18:22:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:34,024 INFO L495 AbstractCegarLoop]: Abstraction has 14480 states and 14781 transitions. [2022-12-13 18:22:34,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2022-12-13 18:22:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14781 transitions. [2022-12-13 18:22:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2214 [2022-12-13 18:22:34,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:34,053 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 18:22:34,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 18:22:34,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 18:22:34,254 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:34,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash -502984965, now seen corresponding path program 1 times [2022-12-13 18:22:34,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:34,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835309306] [2022-12-13 18:22:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10605 backedges. 2006 proven. 0 refuted. 0 times theorem prover too weak. 8599 trivial. 0 not checked. [2022-12-13 18:22:35,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:35,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835309306] [2022-12-13 18:22:35,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835309306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:35,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:35,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:22:35,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332552581] [2022-12-13 18:22:35,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:35,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:22:35,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:35,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:22:35,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:22:35,727 INFO L87 Difference]: Start difference. First operand 14480 states and 14781 transitions. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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) [2022-12-13 18:22:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:36,422 INFO L93 Difference]: Finished difference Result 31590 states and 32269 transitions. [2022-12-13 18:22:36,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:22:36,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 2213 [2022-12-13 18:22:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:36,435 INFO L225 Difference]: With dead ends: 31590 [2022-12-13 18:22:36,435 INFO L226 Difference]: Without dead ends: 17112 [2022-12-13 18:22:36,442 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 [2022-12-13 18:22:36,442 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 229 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:36,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 424 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:22:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2022-12-13 18:22:36,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16454. [2022-12-13 18:22:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.019631678113414) internal successors, (16776), 16453 states have internal predecessors, (16776), 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) [2022-12-13 18:22:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16776 transitions. [2022-12-13 18:22:36,577 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16776 transitions. Word has length 2213 [2022-12-13 18:22:36,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:36,578 INFO L495 AbstractCegarLoop]: Abstraction has 16454 states and 16776 transitions. [2022-12-13 18:22:36,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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) [2022-12-13 18:22:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16776 transitions. [2022-12-13 18:22:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2320 [2022-12-13 18:22:36,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:36,610 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-12-13 18:22:36,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 18:22:36,611 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:36,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:36,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1826744757, now seen corresponding path program 1 times [2022-12-13 18:22:36,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:36,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638195662] [2022-12-13 18:22:36,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10091 backedges. 6282 proven. 0 refuted. 0 times theorem prover too weak. 3809 trivial. 0 not checked. [2022-12-13 18:22:38,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:38,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638195662] [2022-12-13 18:22:38,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638195662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:38,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:38,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:22:38,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465606357] [2022-12-13 18:22:38,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:38,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:38,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:38,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:38,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:38,856 INFO L87 Difference]: Start difference. First operand 16454 states and 16776 transitions. Second operand has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 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) [2022-12-13 18:22:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:40,028 INFO L93 Difference]: Finished difference Result 32264 states and 32906 transitions. [2022-12-13 18:22:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:22:40,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 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 2319 [2022-12-13 18:22:40,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:40,030 INFO L225 Difference]: With dead ends: 32264 [2022-12-13 18:22:40,030 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:22:40,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:40,036 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2420 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:40,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 429 Invalid, 2441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2420 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 18:22:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:22:40,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:22:40,037 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) [2022-12-13 18:22:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:22:40,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2319 [2022-12-13 18:22:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:40,038 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:22:40,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 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) [2022-12-13 18:22:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:22:40,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:22:40,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:22:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 18:22:40,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,584 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,585 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,586 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,587 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-12-13 18:22:41,588 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,589 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,590 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,591 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,592 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,593 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,594 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,595 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,596 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L902 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,597 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,598 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,599 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-13 18:22:41,600 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (+ ~a18~0 156))) (let ((.cse4 (<= (+ ~a18~0 79) 0)) (.cse8 (< 0 .cse2)) (.cse9 (= ~a12~0 8)) (.cse1 (<= ~a15~0 3)) (.cse3 (= ~a15~0 4)) (.cse5 (= 5 ~a12~0)) (.cse6 (not .cse0)) (.cse7 (<= ~a16~0 11)) (.cse10 (= ~a12~0 9))) (or (and .cse0 .cse1 (<= .cse2 0)) (and (<= ~a16~0 8) .cse3) (and .cse0 .cse1 (<= 137 ~a18~0)) (and .cse4 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse5) (and .cse4 .cse0 .cse3 .cse5 .cse8) (and .cse1 .cse8 .cse6) (and .cse3 (= ~a12~0 6) .cse7) (and .cse0 .cse3 (<= (+ 391209 ~a18~0) 0) .cse5) (and .cse0 .cse3 .cse9) (and .cse0 .cse1 .cse9) (and .cse10 .cse0 .cse3) (and .cse0 .cse3 (= 7 ~a12~0)) (and .cse1 .cse6 (or (not .cse5) (not (= ~a16~0 12)))) (and .cse3 (<= 158 ~a18~0) .cse5 .cse6 .cse7) (and .cse10 (<= 0 (+ 44 ~a18~0)) (= ~a15~0 3) (<= ~a18~0 134))))) [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,601 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,602 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,603 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-12-13 18:22:41,604 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,605 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,606 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-12-13 18:22:41,607 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,608 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,609 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,610 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L895 garLoopResultBuilder]: At program point calculate_output2_returnLabel#1(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (+ ~a18~0 156))) (let ((.cse4 (<= (+ ~a18~0 79) 0)) (.cse8 (< 0 .cse2)) (.cse9 (= ~a12~0 8)) (.cse1 (<= ~a15~0 3)) (.cse3 (= ~a15~0 4)) (.cse5 (= 5 ~a12~0)) (.cse6 (not .cse0)) (.cse7 (<= ~a16~0 11))) (or (and .cse0 .cse1 (<= .cse2 0)) (and (<= ~a16~0 8) .cse3) (and .cse0 .cse1 (<= 137 ~a18~0)) (and .cse4 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse5) (and .cse4 .cse0 .cse3 .cse5 .cse8) (and .cse1 .cse8 .cse6) (and .cse3 (= ~a12~0 6) .cse7) (and .cse0 .cse3 (<= (+ 391209 ~a18~0) 0) .cse5) (and .cse0 .cse3 .cse9) (and .cse0 .cse1 .cse9) (and (= ~a12~0 9) .cse0 .cse3) (and .cse0 .cse3 (= 7 ~a12~0)) (and .cse1 .cse6 (or (not .cse5) (not (= ~a16~0 12)))) (and .cse3 (<= 158 ~a18~0) .cse5 .cse6 .cse7)))) [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,611 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,612 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,613 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,614 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-12-13 18:22:41,615 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,616 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,617 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-12-13 18:22:41,618 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (+ ~a18~0 156))) (let ((.cse4 (<= (+ ~a18~0 79) 0)) (.cse8 (< 0 .cse2)) (.cse9 (= ~a12~0 8)) (.cse1 (<= ~a15~0 3)) (.cse3 (= ~a15~0 4)) (.cse5 (= 5 ~a12~0)) (.cse6 (not .cse0)) (.cse7 (<= ~a16~0 11)) (.cse10 (= ~a12~0 9))) (or (and .cse0 .cse1 (<= .cse2 0)) (and (<= ~a16~0 8) .cse3) (and .cse0 .cse1 (<= 137 ~a18~0)) (and .cse4 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse5) (and .cse4 .cse0 .cse3 .cse5 .cse8) (and .cse1 .cse8 .cse6) (and .cse3 (= ~a12~0 6) .cse7) (and .cse0 .cse3 (<= (+ 391209 ~a18~0) 0) .cse5) (and .cse0 .cse3 .cse9) (and .cse0 .cse1 .cse9) (and .cse10 .cse0 .cse3) (and .cse0 .cse3 (= 7 ~a12~0)) (and .cse1 .cse6 (or (not .cse5) (not (= ~a16~0 12)))) (and .cse3 (<= 158 ~a18~0) .cse5 .cse6 .cse7) (and .cse10 (<= 0 (+ 44 ~a18~0)) (= ~a15~0 3) (<= ~a18~0 134))))) [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,619 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-12-13 18:22:41,620 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-13 18:22:41,623 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:41,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:22:41,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:22:41 BoogieIcfgContainer [2022-12-13 18:22:41,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:22:41,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:22:41,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:22:41,638 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:22:41,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:21:33" (3/4) ... [2022-12-13 18:22:41,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:22:41,657 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 18:22:41,658 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 18:22:41,659 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:22:41,660 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:22:41,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:22:41,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:22:41,746 INFO L158 Benchmark]: Toolchain (without parser) took 70972.40ms. Allocated memory was 140.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 103.8MB in the beginning and 683.6MB in the end (delta: -579.9MB). Peak memory consumption was 841.7MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,746 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:41,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.98ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 103.3MB in the beginning and 127.7MB in the end (delta: -24.4MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.15ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 103.7MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,747 INFO L158 Benchmark]: Boogie Preprocessor took 89.30ms. Allocated memory is still 169.9MB. Free memory was 103.7MB in the beginning and 90.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,747 INFO L158 Benchmark]: RCFGBuilder took 1788.36ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 90.0MB in the beginning and 122.7MB in the end (delta: -32.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,747 INFO L158 Benchmark]: TraceAbstraction took 68171.54ms. Allocated memory was 205.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 122.7MB in the beginning and 707.8MB in the end (delta: -585.1MB). Peak memory consumption was 769.7MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,747 INFO L158 Benchmark]: Witness Printer took 107.31ms. Allocated memory is still 1.6GB. Free memory was 707.8MB in the beginning and 683.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:41,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.98ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 103.3MB in the beginning and 127.7MB in the end (delta: -24.4MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.15ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 103.7MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.30ms. Allocated memory is still 169.9MB. Free memory was 103.7MB in the beginning and 90.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1788.36ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 90.0MB in the beginning and 122.7MB in the end (delta: -32.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * TraceAbstraction took 68171.54ms. Allocated memory was 205.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 122.7MB in the beginning and 707.8MB in the end (delta: -585.1MB). Peak memory consumption was 769.7MB. Max. memory is 16.1GB. * Witness Printer took 107.31ms. Allocated memory is still 1.6GB. Free memory was 707.8MB in the beginning and 683.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. 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: 215]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.1s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5887 SdHoareTripleChecker+Valid, 18.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5887 mSDsluCounter, 5818 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 2470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24415 IncrementalHoareTripleChecker+Invalid, 26885 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2470 mSolverCounterUnsat, 5613 mSDtfsCounter, 24415 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16299 GetRequests, 16229 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16454occurred in iteration=19, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 2961 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 177 NumberOfFragments, 604 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5121 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 4398 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 39677 NumberOfCodeBlocks, 39677 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 40882 ConstructedInterpolants, 0 QuantifiedInterpolants, 116812 SizeOfPredicates, 2 NumberOfNonLiveVariables, 17437 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 30 InterpolantComputations, 19 PerfectInterpolantSequences, 133864/137885 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: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((a16 == 9 && a15 <= 3) && a18 + 156 <= 0) || (a16 <= 8 && a15 == 4)) || ((a16 == 9 && a15 <= 3) && 137 <= a18)) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((a16 == 9 && a15 <= 3) && 5 == a12)) || ((((a18 + 79 <= 0 && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156)) || ((a15 <= 3 && 0 < a18 + 156) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (((a16 == 9 && a15 == 4) && 391209 + a18 <= 0) && 5 == a12)) || ((a16 == 9 && a15 == 4) && a12 == 8)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 == 9 && a16 == 9) && a15 == 4)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || ((a15 <= 3 && !(a16 == 9)) && (!(5 == a12) || !(a16 == 12)))) || ((((a15 == 4 && 158 <= a18) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || (((a12 == 9 && 0 <= 44 + a18) && a15 == 3) && a18 <= 134) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((a16 == 9 && a15 <= 3) && a18 + 156 <= 0) || (a16 <= 8 && a15 == 4)) || ((a16 == 9 && a15 <= 3) && 137 <= a18)) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((a16 == 9 && a15 <= 3) && 5 == a12)) || ((((a18 + 79 <= 0 && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156)) || ((a15 <= 3 && 0 < a18 + 156) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (((a16 == 9 && a15 == 4) && 391209 + a18 <= 0) && 5 == a12)) || ((a16 == 9 && a15 == 4) && a12 == 8)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 == 9 && a16 == 9) && a15 == 4)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || ((a15 <= 3 && !(a16 == 9)) && (!(5 == a12) || !(a16 == 12)))) || ((((a15 == 4 && 158 <= a18) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || (((a12 == 9 && 0 <= 44 + a18) && a15 == 3) && a18 <= 134) - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((a16 == 9 && a15 <= 3) && a18 + 156 <= 0) || (a16 <= 8 && a15 == 4)) || ((a16 == 9 && a15 <= 3) && 137 <= a18)) || ((((a18 + 79 <= 0 && a15 == 4) && 5 == a12) && !(a16 == 9)) && a16 <= 11)) || ((a16 == 9 && a15 <= 3) && 5 == a12)) || ((((a18 + 79 <= 0 && a16 == 9) && a15 == 4) && 5 == a12) && 0 < a18 + 156)) || ((a15 <= 3 && 0 < a18 + 156) && !(a16 == 9))) || ((a15 == 4 && a12 == 6) && a16 <= 11)) || (((a16 == 9 && a15 == 4) && 391209 + a18 <= 0) && 5 == a12)) || ((a16 == 9 && a15 == 4) && a12 == 8)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 == 9 && a16 == 9) && a15 == 4)) || ((a16 == 9 && a15 == 4) && 7 == a12)) || ((a15 <= 3 && !(a16 == 9)) && (!(5 == a12) || !(a16 == 12)))) || ((((a15 == 4 && 158 <= a18) && 5 == a12) && !(a16 == 9)) && a16 <= 11) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:22:41,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68087635-bd9f-4f1e-b5c2-f97b0a0a0948/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE