./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label05.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_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/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_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/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_0d07f994-6e58-44b7-b1ee-f34451b010c0/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 9eb211dff2d7d24fbef4856e0a2f1ba2134136f04d84e12518dc8b67ba1dd611 --- 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 20:58:25,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:58:25,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:58:25,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:58:25,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:58:25,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:58:25,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:58:25,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:58:25,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:58:25,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:58:25,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:58:25,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:58:25,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:58:25,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:58:25,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:58:25,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:58:25,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:58:25,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:58:25,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:58:25,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:58:25,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:58:25,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:58:25,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:58:25,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:58:25,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:58:25,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:58:25,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:58:25,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:58:25,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:58:25,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:58:25,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:58:25,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:58:25,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:58:25,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:58:25,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:58:25,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:58:25,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:58:25,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:58:25,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:58:25,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:58:25,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:58:25,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:58:25,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:58:25,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:58:25,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:58:25,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:58:25,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:58:25,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:58:25,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:58:25,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:58:25,931 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:58:25,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:58:25,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:58:25,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:58:25,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:58:25,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:58:25,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:58:25,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:58:25,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:58:25,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:58:25,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:58:25,935 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:58:25,935 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_0d07f994-6e58-44b7-b1ee-f34451b010c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb211dff2d7d24fbef4856e0a2f1ba2134136f04d84e12518dc8b67ba1dd611 [2022-12-13 20:58:26,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:58:26,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:58:26,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:58:26,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:58:26,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:58:26,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem03_label05.c [2022-12-13 20:58:28,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:58:29,049 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:58:29,049 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/sv-benchmarks/c/eca-rers2012/Problem03_label05.c [2022-12-13 20:58:29,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/data/baa9b31f6/23867b4ee51c4cc4a70b2ddcd2f6a8c7/FLAG146221349 [2022-12-13 20:58:29,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/data/baa9b31f6/23867b4ee51c4cc4a70b2ddcd2f6a8c7 [2022-12-13 20:58:29,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:58:29,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:58:29,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:58:29,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:58:29,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:58:29,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f11e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29, skipping insertion in model container [2022-12-13 20:58:29,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:58:29,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:58:29,485 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_0d07f994-6e58-44b7-b1ee-f34451b010c0/sv-benchmarks/c/eca-rers2012/Problem03_label05.c[55544,55557] [2022-12-13 20:58:29,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:58:29,519 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:58:29,718 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_0d07f994-6e58-44b7-b1ee-f34451b010c0/sv-benchmarks/c/eca-rers2012/Problem03_label05.c[55544,55557] [2022-12-13 20:58:29,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:58:29,755 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:58:29,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29 WrapperNode [2022-12-13 20:58:29,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:58:29,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:58:29,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:58:29,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:58:29,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,836 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-12-13 20:58:29,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:58:29,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:58:29,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:58:29,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:58:29,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:58:29,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:58:29,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:58:29,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:58:29,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (1/1) ... [2022-12-13 20:58:29,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:58:29,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:58:29,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:58:29,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:58:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:58:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:58:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:58:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:58:30,038 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:58:30,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:58:31,379 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:58:31,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:58:31,387 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:58:31,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:58:31 BoogieIcfgContainer [2022-12-13 20:58:31,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:58:31,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:58:31,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:58:31,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:58:31,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:58:29" (1/3) ... [2022-12-13 20:58:31,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9d858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:58:31, skipping insertion in model container [2022-12-13 20:58:31,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:58:29" (2/3) ... [2022-12-13 20:58:31,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9d858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:58:31, skipping insertion in model container [2022-12-13 20:58:31,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:58:31" (3/3) ... [2022-12-13 20:58:31,396 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label05.c [2022-12-13 20:58:31,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:58:31,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:58:31,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:58:31,453 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;@402b287f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:58:31,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:58:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 20:58:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 20:58:31,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:31,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:31,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash -684231142, now seen corresponding path program 1 times [2022-12-13 20:58:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:31,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742072450] [2022-12-13 20:58:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:31,874 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 20:58:31,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:31,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742072450] [2022-12-13 20:58:31,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742072450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:31,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:31,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:31,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770331466] [2022-12-13 20:58:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:31,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:31,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:31,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:31,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:31,903 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 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 20:58:32,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:32,767 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2022-12-13 20:58:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:32,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 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 158 [2022-12-13 20:58:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:32,778 INFO L225 Difference]: With dead ends: 829 [2022-12-13 20:58:32,778 INFO L226 Difference]: Without dead ends: 463 [2022-12-13 20:58:32,781 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 20:58:32,783 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 133 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:32,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 127 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 20:58:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-12-13 20:58:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2022-12-13 20:58:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 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 20:58:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2022-12-13 20:58:32,826 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 158 [2022-12-13 20:58:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:32,827 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2022-12-13 20:58:32,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 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 20:58:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2022-12-13 20:58:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 20:58:32,830 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:32,830 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:32,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:58:32,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash -905202966, now seen corresponding path program 1 times [2022-12-13 20:58:32,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:32,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431732690] [2022-12-13 20:58:32,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:33,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431732690] [2022-12-13 20:58:33,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431732690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:33,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:33,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471120862] [2022-12-13 20:58:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:33,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:33,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:33,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:33,038 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 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 20:58:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:33,691 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2022-12-13 20:58:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:33,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 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 163 [2022-12-13 20:58:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:33,694 INFO L225 Difference]: With dead ends: 1319 [2022-12-13 20:58:33,694 INFO L226 Difference]: Without dead ends: 872 [2022-12-13 20:58:33,695 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 20:58:33,696 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:33,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 150 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-12-13 20:58:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2022-12-13 20:58:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 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 20:58:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2022-12-13 20:58:33,718 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 163 [2022-12-13 20:58:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:33,719 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2022-12-13 20:58:33,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 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 20:58:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2022-12-13 20:58:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 20:58:33,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:33,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:33,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:58:33,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:33,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash -978055840, now seen corresponding path program 1 times [2022-12-13 20:58:33,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:33,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748589170] [2022-12-13 20:58:33,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:33,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:58:33,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:33,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748589170] [2022-12-13 20:58:33,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748589170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:33,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:33,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:33,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069524293] [2022-12-13 20:58:33,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:33,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:33,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:33,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:33,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:33,959 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 20:58:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:34,627 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2022-12-13 20:58:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:34,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 178 [2022-12-13 20:58:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:34,633 INFO L225 Difference]: With dead ends: 2554 [2022-12-13 20:58:34,633 INFO L226 Difference]: Without dead ends: 1686 [2022-12-13 20:58:34,635 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 20:58:34,636 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 233 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:34,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 416 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-12-13 20:58:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2022-12-13 20:58:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3368983957219251) internal successors, (2250), 1683 states have internal predecessors, (2250), 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 20:58:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2250 transitions. [2022-12-13 20:58:34,678 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2250 transitions. Word has length 178 [2022-12-13 20:58:34,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:34,679 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2250 transitions. [2022-12-13 20:58:34,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 20:58:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2250 transitions. [2022-12-13 20:58:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 20:58:34,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:34,684 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:34,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:58:34,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:34,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1440789059, now seen corresponding path program 1 times [2022-12-13 20:58:34,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:34,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784898394] [2022-12-13 20:58:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:34,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:34,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784898394] [2022-12-13 20:58:34,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784898394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:34,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:34,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:34,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067626511] [2022-12-13 20:58:34,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:34,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:34,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:34,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:34,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:34,951 INFO L87 Difference]: Start difference. First operand 1684 states and 2250 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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 20:58:35,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:35,618 INFO L93 Difference]: Finished difference Result 5017 states and 6710 transitions. [2022-12-13 20:58:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:35,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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 181 [2022-12-13 20:58:35,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:35,625 INFO L225 Difference]: With dead ends: 5017 [2022-12-13 20:58:35,625 INFO L226 Difference]: Without dead ends: 3335 [2022-12-13 20:58:35,626 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 20:58:35,627 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 259 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:35,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 123 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:35,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-12-13 20:58:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3326. [2022-12-13 20:58:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 3325 states have (on average 1.323609022556391) internal successors, (4401), 3325 states have internal predecessors, (4401), 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 20:58:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4401 transitions. [2022-12-13 20:58:35,673 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4401 transitions. Word has length 181 [2022-12-13 20:58:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:35,673 INFO L495 AbstractCegarLoop]: Abstraction has 3326 states and 4401 transitions. [2022-12-13 20:58:35,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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 20:58:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4401 transitions. [2022-12-13 20:58:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-13 20:58:35,677 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:35,677 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:58:35,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:58:35,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:35,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:35,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1514789083, now seen corresponding path program 1 times [2022-12-13 20:58:35,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:35,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620442266] [2022-12-13 20:58:35,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:35,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:35,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620442266] [2022-12-13 20:58:35,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620442266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:35,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:35,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:35,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098229481] [2022-12-13 20:58:35,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:35,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:35,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:35,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:35,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:35,901 INFO L87 Difference]: Start difference. First operand 3326 states and 4401 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:58:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:36,561 INFO L93 Difference]: Finished difference Result 9926 states and 13150 transitions. [2022-12-13 20:58:36,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:36,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2022-12-13 20:58:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:36,581 INFO L225 Difference]: With dead ends: 9926 [2022-12-13 20:58:36,581 INFO L226 Difference]: Without dead ends: 6602 [2022-12-13 20:58:36,586 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 20:58:36,587 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 217 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:36,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 168 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2022-12-13 20:58:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 5768. [2022-12-13 20:58:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5768 states, 5767 states have (on average 1.3370903415987516) internal successors, (7711), 5767 states have internal predecessors, (7711), 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 20:58:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 7711 transitions. [2022-12-13 20:58:36,705 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 7711 transitions. Word has length 184 [2022-12-13 20:58:36,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:36,705 INFO L495 AbstractCegarLoop]: Abstraction has 5768 states and 7711 transitions. [2022-12-13 20:58:36,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:58:36,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 7711 transitions. [2022-12-13 20:58:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 20:58:36,712 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:36,712 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:36,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:58:36,713 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:36,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:36,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1547304649, now seen corresponding path program 1 times [2022-12-13 20:58:36,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:36,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088427050] [2022-12-13 20:58:36,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:36,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 20:58:36,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:36,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088427050] [2022-12-13 20:58:36,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088427050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:36,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:36,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:36,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690051785] [2022-12-13 20:58:36,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:36,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:36,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:36,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:36,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:36,984 INFO L87 Difference]: Start difference. First operand 5768 states and 7711 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 20:58:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:37,669 INFO L93 Difference]: Finished difference Result 15634 states and 21105 transitions. [2022-12-13 20:58:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 193 [2022-12-13 20:58:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:37,685 INFO L225 Difference]: With dead ends: 15634 [2022-12-13 20:58:37,685 INFO L226 Difference]: Without dead ends: 9868 [2022-12-13 20:58:37,689 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 20:58:37,690 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:37,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 188 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9868 states. [2022-12-13 20:58:37,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9868 to 9643. [2022-12-13 20:58:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9643 states, 9642 states have (on average 1.3566687409251192) internal successors, (13081), 9642 states have internal predecessors, (13081), 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 20:58:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 13081 transitions. [2022-12-13 20:58:37,817 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 13081 transitions. Word has length 193 [2022-12-13 20:58:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:37,817 INFO L495 AbstractCegarLoop]: Abstraction has 9643 states and 13081 transitions. [2022-12-13 20:58:37,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 20:58:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 13081 transitions. [2022-12-13 20:58:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 20:58:37,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:37,824 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:37,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:58:37,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:37,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1251266014, now seen corresponding path program 1 times [2022-12-13 20:58:37,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:37,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218009301] [2022-12-13 20:58:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:37,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:38,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218009301] [2022-12-13 20:58:38,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218009301] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:58:38,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353549824] [2022-12-13 20:58:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:58:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:58:38,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:58:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:58:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:38,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:58:38,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:58:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:58:38,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:58:38,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353549824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:38,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:58:38,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:58:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159141826] [2022-12-13 20:58:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:38,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:38,421 INFO L87 Difference]: Start difference. First operand 9643 states and 13081 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 20:58:39,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:39,196 INFO L93 Difference]: Finished difference Result 24980 states and 34055 transitions. [2022-12-13 20:58:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:39,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 196 [2022-12-13 20:58:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:39,218 INFO L225 Difference]: With dead ends: 24980 [2022-12-13 20:58:39,218 INFO L226 Difference]: Without dead ends: 15746 [2022-12-13 20:58:39,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:39,223 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 85 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:39,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 426 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:58:39,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15746 states. [2022-12-13 20:58:39,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15746 to 15736. [2022-12-13 20:58:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15736 states, 15735 states have (on average 1.3225929456625358) internal successors, (20811), 15735 states have internal predecessors, (20811), 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 20:58:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15736 states to 15736 states and 20811 transitions. [2022-12-13 20:58:39,378 INFO L78 Accepts]: Start accepts. Automaton has 15736 states and 20811 transitions. Word has length 196 [2022-12-13 20:58:39,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:39,378 INFO L495 AbstractCegarLoop]: Abstraction has 15736 states and 20811 transitions. [2022-12-13 20:58:39,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 20:58:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 15736 states and 20811 transitions. [2022-12-13 20:58:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-13 20:58:39,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:39,389 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:39,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:58:39,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 20:58:39,590 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:39,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1106590446, now seen corresponding path program 1 times [2022-12-13 20:58:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880203446] [2022-12-13 20:58:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:39,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 20:58:39,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:39,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880203446] [2022-12-13 20:58:39,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880203446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:39,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:39,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:39,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751547169] [2022-12-13 20:58:39,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:39,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:39,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:39,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:39,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:39,870 INFO L87 Difference]: Start difference. First operand 15736 states and 20811 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 20:58:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:40,666 INFO L93 Difference]: Finished difference Result 35949 states and 47615 transitions. [2022-12-13 20:58:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:40,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 203 [2022-12-13 20:58:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:40,701 INFO L225 Difference]: With dead ends: 35949 [2022-12-13 20:58:40,701 INFO L226 Difference]: Without dead ends: 20215 [2022-12-13 20:58:40,715 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 20:58:40,716 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:40,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 173 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:58:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20215 states. [2022-12-13 20:58:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20215 to 20202. [2022-12-13 20:58:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20202 states, 20201 states have (on average 1.3050839067372901) internal successors, (26364), 20201 states have internal predecessors, (26364), 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 20:58:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20202 states to 20202 states and 26364 transitions. [2022-12-13 20:58:41,007 INFO L78 Accepts]: Start accepts. Automaton has 20202 states and 26364 transitions. Word has length 203 [2022-12-13 20:58:41,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:41,007 INFO L495 AbstractCegarLoop]: Abstraction has 20202 states and 26364 transitions. [2022-12-13 20:58:41,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 20:58:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 20202 states and 26364 transitions. [2022-12-13 20:58:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 20:58:41,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:41,028 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:41,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:58:41,029 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash -738194101, now seen corresponding path program 1 times [2022-12-13 20:58:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521307635] [2022-12-13 20:58:41,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:41,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 20:58:41,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:41,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521307635] [2022-12-13 20:58:41,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521307635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:41,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:41,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:41,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757427020] [2022-12-13 20:58:41,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:41,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:41,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:41,213 INFO L87 Difference]: Start difference. First operand 20202 states and 26364 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 20:58:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:41,916 INFO L93 Difference]: Finished difference Result 42037 states and 54660 transitions. [2022-12-13 20:58:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:41,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2022-12-13 20:58:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:41,942 INFO L225 Difference]: With dead ends: 42037 [2022-12-13 20:58:41,942 INFO L226 Difference]: Without dead ends: 22447 [2022-12-13 20:58:41,954 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 20:58:41,954 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:41,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 423 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22447 states. [2022-12-13 20:58:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22447 to 22443. [2022-12-13 20:58:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22443 states, 22442 states have (on average 1.2857588450227253) internal successors, (28855), 22442 states have internal predecessors, (28855), 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 20:58:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22443 states to 22443 states and 28855 transitions. [2022-12-13 20:58:42,245 INFO L78 Accepts]: Start accepts. Automaton has 22443 states and 28855 transitions. Word has length 206 [2022-12-13 20:58:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:42,245 INFO L495 AbstractCegarLoop]: Abstraction has 22443 states and 28855 transitions. [2022-12-13 20:58:42,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 20:58:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22443 states and 28855 transitions. [2022-12-13 20:58:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-13 20:58:42,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:42,267 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:58:42,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:58:42,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1401225849, now seen corresponding path program 1 times [2022-12-13 20:58:42,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:42,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485435162] [2022-12-13 20:58:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:42,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 20:58:42,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:42,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485435162] [2022-12-13 20:58:42,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485435162] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:58:42,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155273073] [2022-12-13 20:58:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:42,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:58:42,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:58:42,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:58:42,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:58:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:42,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:58:42,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:58:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 20:58:42,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:58:42,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155273073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:42,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:58:42,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 20:58:42,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253650729] [2022-12-13 20:58:42,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:42,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:42,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:42,849 INFO L87 Difference]: Start difference. First operand 22443 states and 28855 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 20:58:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:43,544 INFO L93 Difference]: Finished difference Result 58313 states and 75048 transitions. [2022-12-13 20:58:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:43,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 210 [2022-12-13 20:58:43,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:43,581 INFO L225 Difference]: With dead ends: 58313 [2022-12-13 20:58:43,581 INFO L226 Difference]: Without dead ends: 36075 [2022-12-13 20:58:43,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:43,595 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 233 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:43,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 161 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:58:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36075 states. [2022-12-13 20:58:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36075 to 34853. [2022-12-13 20:58:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34853 states, 34852 states have (on average 1.2593251463330655) internal successors, (43890), 34852 states have internal predecessors, (43890), 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 20:58:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34853 states to 34853 states and 43890 transitions. [2022-12-13 20:58:44,140 INFO L78 Accepts]: Start accepts. Automaton has 34853 states and 43890 transitions. Word has length 210 [2022-12-13 20:58:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:44,141 INFO L495 AbstractCegarLoop]: Abstraction has 34853 states and 43890 transitions. [2022-12-13 20:58:44,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 20:58:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 34853 states and 43890 transitions. [2022-12-13 20:58:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-12-13 20:58:44,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:44,176 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:44,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:58:44,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 20:58:44,377 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1620299160, now seen corresponding path program 1 times [2022-12-13 20:58:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:44,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002275334] [2022-12-13 20:58:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:44,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 20:58:44,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:44,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002275334] [2022-12-13 20:58:44,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002275334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:44,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:44,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:44,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219051719] [2022-12-13 20:58:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:44,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:44,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:44,655 INFO L87 Difference]: Start difference. First operand 34853 states and 43890 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 20:58:45,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:45,410 INFO L93 Difference]: Finished difference Result 76644 states and 96209 transitions. [2022-12-13 20:58:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:45,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 218 [2022-12-13 20:58:45,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:45,446 INFO L225 Difference]: With dead ends: 76644 [2022-12-13 20:58:45,446 INFO L226 Difference]: Without dead ends: 42606 [2022-12-13 20:58:45,460 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 20:58:45,460 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:45,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 202 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:45,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42606 states. [2022-12-13 20:58:45,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42606 to 42592. [2022-12-13 20:58:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42592 states, 42591 states have (on average 1.244770021835599) internal successors, (53016), 42591 states have internal predecessors, (53016), 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 20:58:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42592 states to 42592 states and 53016 transitions. [2022-12-13 20:58:46,005 INFO L78 Accepts]: Start accepts. Automaton has 42592 states and 53016 transitions. Word has length 218 [2022-12-13 20:58:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:46,006 INFO L495 AbstractCegarLoop]: Abstraction has 42592 states and 53016 transitions. [2022-12-13 20:58:46,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 20:58:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 42592 states and 53016 transitions. [2022-12-13 20:58:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 20:58:46,027 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:46,027 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:46,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:58:46,027 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:46,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1000932221, now seen corresponding path program 1 times [2022-12-13 20:58:46,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:46,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52104139] [2022-12-13 20:58:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 20:58:46,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:46,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52104139] [2022-12-13 20:58:46,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52104139] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:58:46,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612908059] [2022-12-13 20:58:46,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:46,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:58:46,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:58:46,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:58:46,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 20:58:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:46,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:58:46,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:58:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:58:46,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:58:46,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612908059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:46,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:58:46,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:58:46,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855637163] [2022-12-13 20:58:46,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:46,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:46,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:46,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:46,594 INFO L87 Difference]: Start difference. First operand 42592 states and 53016 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 20:58:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:47,454 INFO L93 Difference]: Finished difference Result 100206 states and 126850 transitions. [2022-12-13 20:58:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:47,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 225 [2022-12-13 20:58:47,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:47,519 INFO L225 Difference]: With dead ends: 100206 [2022-12-13 20:58:47,520 INFO L226 Difference]: Without dead ends: 58429 [2022-12-13 20:58:47,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 224 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 20:58:47,545 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 225 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:47,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 171 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:47,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58429 states. [2022-12-13 20:58:48,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58429 to 58020. [2022-12-13 20:58:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58020 states, 58019 states have (on average 1.2054499388131474) internal successors, (69939), 58019 states have internal predecessors, (69939), 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 20:58:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58020 states to 58020 states and 69939 transitions. [2022-12-13 20:58:48,208 INFO L78 Accepts]: Start accepts. Automaton has 58020 states and 69939 transitions. Word has length 225 [2022-12-13 20:58:48,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:48,208 INFO L495 AbstractCegarLoop]: Abstraction has 58020 states and 69939 transitions. [2022-12-13 20:58:48,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 20:58:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 58020 states and 69939 transitions. [2022-12-13 20:58:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 20:58:48,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:48,232 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:58:48,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 20:58:48,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 20:58:48,434 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:48,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1449683417, now seen corresponding path program 1 times [2022-12-13 20:58:48,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:48,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3276955] [2022-12-13 20:58:48,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-13 20:58:48,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:48,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3276955] [2022-12-13 20:58:48,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3276955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:48,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:48,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:48,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46693085] [2022-12-13 20:58:48,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:48,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:48,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:48,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:48,733 INFO L87 Difference]: Start difference. First operand 58020 states and 69939 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 20:58:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:49,668 INFO L93 Difference]: Finished difference Result 121138 states and 146004 transitions. [2022-12-13 20:58:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:49,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 229 [2022-12-13 20:58:49,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:49,725 INFO L225 Difference]: With dead ends: 121138 [2022-12-13 20:58:49,725 INFO L226 Difference]: Without dead ends: 63933 [2022-12-13 20:58:49,748 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 20:58:49,749 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:49,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 402 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:49,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63933 states. [2022-12-13 20:58:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63933 to 54566. [2022-12-13 20:58:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54566 states, 54565 states have (on average 1.2010812792082837) internal successors, (65537), 54565 states have internal predecessors, (65537), 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 20:58:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54566 states to 54566 states and 65537 transitions. [2022-12-13 20:58:50,340 INFO L78 Accepts]: Start accepts. Automaton has 54566 states and 65537 transitions. Word has length 229 [2022-12-13 20:58:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:50,340 INFO L495 AbstractCegarLoop]: Abstraction has 54566 states and 65537 transitions. [2022-12-13 20:58:50,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 20:58:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 54566 states and 65537 transitions. [2022-12-13 20:58:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 20:58:50,358 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:50,358 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:58:50,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 20:58:50,358 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:50,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1788441567, now seen corresponding path program 1 times [2022-12-13 20:58:50,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:50,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895903053] [2022-12-13 20:58:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-13 20:58:50,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:50,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895903053] [2022-12-13 20:58:50,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895903053] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:58:50,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398044528] [2022-12-13 20:58:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:50,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:58:50,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:58:50,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:58:50,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 20:58:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:50,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:58:50,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:58:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 20:58:50,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:58:50,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398044528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:50,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:58:50,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:58:50,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260627816] [2022-12-13 20:58:50,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:50,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:58:50,893 INFO L87 Difference]: Start difference. First operand 54566 states and 65537 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 20:58:51,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:51,658 INFO L93 Difference]: Finished difference Result 108115 states and 129933 transitions. [2022-12-13 20:58:51,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:51,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 245 [2022-12-13 20:58:51,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:51,717 INFO L225 Difference]: With dead ends: 108115 [2022-12-13 20:58:51,718 INFO L226 Difference]: Without dead ends: 54364 [2022-12-13 20:58:51,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 244 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 20:58:51,746 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 258 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:51,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 99 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:58:51,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54364 states. [2022-12-13 20:58:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54364 to 54361. [2022-12-13 20:58:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54361 states, 54360 states have (on average 1.1869389256806475) internal successors, (64522), 54360 states have internal predecessors, (64522), 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 20:58:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54361 states to 54361 states and 64522 transitions. [2022-12-13 20:58:52,405 INFO L78 Accepts]: Start accepts. Automaton has 54361 states and 64522 transitions. Word has length 245 [2022-12-13 20:58:52,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:52,405 INFO L495 AbstractCegarLoop]: Abstraction has 54361 states and 64522 transitions. [2022-12-13 20:58:52,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 20:58:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 54361 states and 64522 transitions. [2022-12-13 20:58:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-13 20:58:52,439 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:52,439 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:58:52,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 20:58:52,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 20:58:52,641 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:52,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:52,643 INFO L85 PathProgramCache]: Analyzing trace with hash 104676069, now seen corresponding path program 1 times [2022-12-13 20:58:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:52,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146860736] [2022-12-13 20:58:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:53,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:53,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146860736] [2022-12-13 20:58:53,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146860736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:53,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:53,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:58:53,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216386383] [2022-12-13 20:58:53,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:53,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:58:53,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:53,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:58:53,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:58:53,170 INFO L87 Difference]: Start difference. First operand 54361 states and 64522 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 2 states have internal predecessors, (284), 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 20:58:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:54,180 INFO L93 Difference]: Finished difference Result 115244 states and 136569 transitions. [2022-12-13 20:58:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:58:54,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 2 states have internal predecessors, (284), 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 284 [2022-12-13 20:58:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:54,242 INFO L225 Difference]: With dead ends: 115244 [2022-12-13 20:58:54,242 INFO L226 Difference]: Without dead ends: 61698 [2022-12-13 20:58:54,269 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 20:58:54,270 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 106 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:54,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 198 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:58:54,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61698 states. [2022-12-13 20:58:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61698 to 61693. [2022-12-13 20:58:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61693 states, 61692 states have (on average 1.1803313233482462) internal successors, (72817), 61692 states have internal predecessors, (72817), 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 20:58:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61693 states to 61693 states and 72817 transitions. [2022-12-13 20:58:54,956 INFO L78 Accepts]: Start accepts. Automaton has 61693 states and 72817 transitions. Word has length 284 [2022-12-13 20:58:54,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:54,957 INFO L495 AbstractCegarLoop]: Abstraction has 61693 states and 72817 transitions. [2022-12-13 20:58:54,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 2 states have internal predecessors, (284), 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 20:58:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61693 states and 72817 transitions. [2022-12-13 20:58:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-12-13 20:58:54,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:54,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:58:54,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 20:58:54,985 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:54,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:54,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1813611280, now seen corresponding path program 1 times [2022-12-13 20:58:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:54,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933166620] [2022-12-13 20:58:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:58:55,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:55,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933166620] [2022-12-13 20:58:55,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933166620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:55,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:55,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:55,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288839368] [2022-12-13 20:58:55,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:55,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:58:55,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:55,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:58:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:58:55,283 INFO L87 Difference]: Start difference. First operand 61693 states and 72817 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 20:58:56,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:56,344 INFO L93 Difference]: Finished difference Result 125819 states and 148339 transitions. [2022-12-13 20:58:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:58:56,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 291 [2022-12-13 20:58:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:56,398 INFO L225 Difference]: With dead ends: 125819 [2022-12-13 20:58:56,398 INFO L226 Difference]: Without dead ends: 65347 [2022-12-13 20:58:56,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:58:56,420 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 387 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:56,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 209 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:58:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65347 states. [2022-12-13 20:58:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65347 to 64332. [2022-12-13 20:58:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64332 states, 64331 states have (on average 1.1661873746716203) internal successors, (75022), 64331 states have internal predecessors, (75022), 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 20:58:57,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64332 states to 64332 states and 75022 transitions. [2022-12-13 20:58:57,004 INFO L78 Accepts]: Start accepts. Automaton has 64332 states and 75022 transitions. Word has length 291 [2022-12-13 20:58:57,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:57,004 INFO L495 AbstractCegarLoop]: Abstraction has 64332 states and 75022 transitions. [2022-12-13 20:58:57,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 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 20:58:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 64332 states and 75022 transitions. [2022-12-13 20:58:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-13 20:58:57,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:57,032 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:58:57,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 20:58:57,033 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 216496431, now seen corresponding path program 1 times [2022-12-13 20:58:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010658262] [2022-12-13 20:58:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:58:57,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:57,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010658262] [2022-12-13 20:58:57,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010658262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:57,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:57,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:57,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741861828] [2022-12-13 20:58:57,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:57,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:58:57,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:57,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:58:57,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:58:57,276 INFO L87 Difference]: Start difference. First operand 64332 states and 75022 transitions. Second operand has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 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 20:58:58,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:58:58,245 INFO L93 Difference]: Finished difference Result 113378 states and 132116 transitions. [2022-12-13 20:58:58,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:58:58,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 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 299 [2022-12-13 20:58:58,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:58:58,284 INFO L225 Difference]: With dead ends: 113378 [2022-12-13 20:58:58,284 INFO L226 Difference]: Without dead ends: 47831 [2022-12-13 20:58:58,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:58:58,307 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 379 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:58:58,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 46 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:58:58,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47831 states. [2022-12-13 20:58:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47831 to 43151. [2022-12-13 20:58:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43151 states, 43150 states have (on average 1.1064194669756662) internal successors, (47742), 43150 states have internal predecessors, (47742), 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 20:58:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43151 states to 43151 states and 47742 transitions. [2022-12-13 20:58:58,748 INFO L78 Accepts]: Start accepts. Automaton has 43151 states and 47742 transitions. Word has length 299 [2022-12-13 20:58:58,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:58:58,748 INFO L495 AbstractCegarLoop]: Abstraction has 43151 states and 47742 transitions. [2022-12-13 20:58:58,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 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 20:58:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 43151 states and 47742 transitions. [2022-12-13 20:58:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-12-13 20:58:58,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:58:58,769 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:58,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 20:58:58,770 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:58:58,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:58:58,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1942770861, now seen corresponding path program 1 times [2022-12-13 20:58:58,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:58:58,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878673201] [2022-12-13 20:58:58,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:58:58,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:58:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:58:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-13 20:58:59,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:58:59,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878673201] [2022-12-13 20:58:59,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878673201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:58:59,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:58:59,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:58:59,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532672245] [2022-12-13 20:58:59,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:58:59,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:58:59,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:58:59,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:58:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:58:59,005 INFO L87 Difference]: Start difference. First operand 43151 states and 47742 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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 20:59:00,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:00,019 INFO L93 Difference]: Finished difference Result 85716 states and 94886 transitions. [2022-12-13 20:59:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:59:00,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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 317 [2022-12-13 20:59:00,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:00,057 INFO L225 Difference]: With dead ends: 85716 [2022-12-13 20:59:00,057 INFO L226 Difference]: Without dead ends: 42365 [2022-12-13 20:59:00,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:00,074 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 367 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:00,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 78 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:59:00,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42365 states. [2022-12-13 20:59:00,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42365 to 41933. [2022-12-13 20:59:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41933 states, 41932 states have (on average 1.1063626824382333) internal successors, (46392), 41932 states have internal predecessors, (46392), 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 20:59:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41933 states to 41933 states and 46392 transitions. [2022-12-13 20:59:00,687 INFO L78 Accepts]: Start accepts. Automaton has 41933 states and 46392 transitions. Word has length 317 [2022-12-13 20:59:00,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:00,688 INFO L495 AbstractCegarLoop]: Abstraction has 41933 states and 46392 transitions. [2022-12-13 20:59:00,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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 20:59:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 41933 states and 46392 transitions. [2022-12-13 20:59:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-12-13 20:59:00,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:00,724 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:59:00,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 20:59:00,724 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:00,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1552249769, now seen corresponding path program 1 times [2022-12-13 20:59:00,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:00,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627759210] [2022-12-13 20:59:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:00,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 20:59:01,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:01,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627759210] [2022-12-13 20:59:01,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627759210] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:01,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280609607] [2022-12-13 20:59:01,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:01,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:01,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:01,182 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:01,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 20:59:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:01,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:59:01,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 20:59:01,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:01,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280609607] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:01,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:01,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:59:01,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803981810] [2022-12-13 20:59:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:01,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:59:01,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:01,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:59:01,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:01,509 INFO L87 Difference]: Start difference. First operand 41933 states and 46392 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 20:59:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:02,641 INFO L93 Difference]: Finished difference Result 107091 states and 118335 transitions. [2022-12-13 20:59:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:59:02,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 322 [2022-12-13 20:59:02,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:02,719 INFO L225 Difference]: With dead ends: 107091 [2022-12-13 20:59:02,720 INFO L226 Difference]: Without dead ends: 65363 [2022-12-13 20:59:02,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:02,746 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 465 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:02,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 441 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 20:59:02,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65363 states. [2022-12-13 20:59:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65363 to 58633. [2022-12-13 20:59:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58633 states, 58632 states have (on average 1.097352981307136) internal successors, (64340), 58632 states have internal predecessors, (64340), 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 20:59:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58633 states to 58633 states and 64340 transitions. [2022-12-13 20:59:03,422 INFO L78 Accepts]: Start accepts. Automaton has 58633 states and 64340 transitions. Word has length 322 [2022-12-13 20:59:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:03,423 INFO L495 AbstractCegarLoop]: Abstraction has 58633 states and 64340 transitions. [2022-12-13 20:59:03,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 20:59:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 58633 states and 64340 transitions. [2022-12-13 20:59:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-13 20:59:03,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:03,446 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:03,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 20:59:03,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:03,648 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash 942765593, now seen corresponding path program 1 times [2022-12-13 20:59:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:03,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271990849] [2022-12-13 20:59:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-13 20:59:03,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:03,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271990849] [2022-12-13 20:59:03,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271990849] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:03,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:03,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:59:03,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098780354] [2022-12-13 20:59:03,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:03,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:59:03,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:03,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:59:03,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:03,947 INFO L87 Difference]: Start difference. First operand 58633 states and 64340 transitions. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 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 20:59:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:04,874 INFO L93 Difference]: Finished difference Result 142273 states and 156496 transitions. [2022-12-13 20:59:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:59:04,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 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 382 [2022-12-13 20:59:04,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:04,959 INFO L225 Difference]: With dead ends: 142273 [2022-12-13 20:59:04,960 INFO L226 Difference]: Without dead ends: 84049 [2022-12-13 20:59:04,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:04,995 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 333 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:04,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 403 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:59:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84049 states. [2022-12-13 20:59:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84049 to 82406. [2022-12-13 20:59:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82406 states, 82405 states have (on average 1.0927734967538378) internal successors, (90050), 82405 states have internal predecessors, (90050), 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 20:59:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82406 states to 82406 states and 90050 transitions. [2022-12-13 20:59:06,078 INFO L78 Accepts]: Start accepts. Automaton has 82406 states and 90050 transitions. Word has length 382 [2022-12-13 20:59:06,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:06,078 INFO L495 AbstractCegarLoop]: Abstraction has 82406 states and 90050 transitions. [2022-12-13 20:59:06,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 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 20:59:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 82406 states and 90050 transitions. [2022-12-13 20:59:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-12-13 20:59:06,102 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:06,102 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:59:06,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 20:59:06,103 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:06,103 INFO L85 PathProgramCache]: Analyzing trace with hash -588192627, now seen corresponding path program 1 times [2022-12-13 20:59:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:06,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952867661] [2022-12-13 20:59:06,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-13 20:59:06,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:06,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952867661] [2022-12-13 20:59:06,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952867661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:06,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:06,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:06,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061093412] [2022-12-13 20:59:06,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:06,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:06,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:06,450 INFO L87 Difference]: Start difference. First operand 82406 states and 90050 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 20:59:07,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:07,316 INFO L93 Difference]: Finished difference Result 176416 states and 192551 transitions. [2022-12-13 20:59:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:07,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 390 [2022-12-13 20:59:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:07,398 INFO L225 Difference]: With dead ends: 176416 [2022-12-13 20:59:07,398 INFO L226 Difference]: Without dead ends: 94418 [2022-12-13 20:59:07,428 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 20:59:07,429 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 203 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:07,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 107 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94418 states. [2022-12-13 20:59:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94418 to 94003. [2022-12-13 20:59:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94003 states, 94002 states have (on average 1.088764068849599) internal successors, (102346), 94002 states have internal predecessors, (102346), 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 20:59:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94003 states to 94003 states and 102346 transitions. [2022-12-13 20:59:08,619 INFO L78 Accepts]: Start accepts. Automaton has 94003 states and 102346 transitions. Word has length 390 [2022-12-13 20:59:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:08,620 INFO L495 AbstractCegarLoop]: Abstraction has 94003 states and 102346 transitions. [2022-12-13 20:59:08,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 20:59:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 94003 states and 102346 transitions. [2022-12-13 20:59:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-12-13 20:59:08,658 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:08,658 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:08,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 20:59:08,658 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:08,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:08,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1321112198, now seen corresponding path program 1 times [2022-12-13 20:59:08,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:08,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877561893] [2022-12-13 20:59:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:08,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-12-13 20:59:09,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:09,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877561893] [2022-12-13 20:59:09,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877561893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:09,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:09,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:59:09,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830104648] [2022-12-13 20:59:09,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:09,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:59:09,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:09,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:59:09,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:09,011 INFO L87 Difference]: Start difference. First operand 94003 states and 102346 transitions. Second operand has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 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 20:59:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:10,388 INFO L93 Difference]: Finished difference Result 194552 states and 211667 transitions. [2022-12-13 20:59:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:59:10,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 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 406 [2022-12-13 20:59:10,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:10,479 INFO L225 Difference]: With dead ends: 194552 [2022-12-13 20:59:10,479 INFO L226 Difference]: Without dead ends: 98521 [2022-12-13 20:59:10,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:10,678 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 345 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:10,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 115 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 20:59:10,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98521 states. [2022-12-13 20:59:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98521 to 95428. [2022-12-13 20:59:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95428 states, 95427 states have (on average 1.0866002284468756) internal successors, (103691), 95427 states have internal predecessors, (103691), 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 20:59:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95428 states to 95428 states and 103691 transitions. [2022-12-13 20:59:11,995 INFO L78 Accepts]: Start accepts. Automaton has 95428 states and 103691 transitions. Word has length 406 [2022-12-13 20:59:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:11,995 INFO L495 AbstractCegarLoop]: Abstraction has 95428 states and 103691 transitions. [2022-12-13 20:59:11,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 3 states have internal predecessors, (265), 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 20:59:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95428 states and 103691 transitions. [2022-12-13 20:59:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-12-13 20:59:12,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:12,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:12,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 20:59:12,021 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:12,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1903808813, now seen corresponding path program 1 times [2022-12-13 20:59:12,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:12,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228419962] [2022-12-13 20:59:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:12,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 254 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 20:59:12,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:12,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228419962] [2022-12-13 20:59:12,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228419962] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:12,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53969281] [2022-12-13 20:59:12,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:12,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:12,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:12,353 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:12,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 20:59:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:12,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:59:12,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-13 20:59:12,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:12,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53969281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:12,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:12,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 20:59:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753652229] [2022-12-13 20:59:12,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:12,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:59:12,638 INFO L87 Difference]: Start difference. First operand 95428 states and 103691 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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 20:59:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:13,519 INFO L93 Difference]: Finished difference Result 277324 states and 301350 transitions. [2022-12-13 20:59:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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 414 [2022-12-13 20:59:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:13,684 INFO L225 Difference]: With dead ends: 277324 [2022-12-13 20:59:13,684 INFO L226 Difference]: Without dead ends: 182710 [2022-12-13 20:59:13,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:59:13,724 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 179 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:13,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 474 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:59:13,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182710 states. [2022-12-13 20:59:15,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182710 to 180463. [2022-12-13 20:59:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180463 states, 180462 states have (on average 1.0860679810708072) internal successors, (195994), 180462 states have internal predecessors, (195994), 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 20:59:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180463 states to 180463 states and 195994 transitions. [2022-12-13 20:59:15,752 INFO L78 Accepts]: Start accepts. Automaton has 180463 states and 195994 transitions. Word has length 414 [2022-12-13 20:59:15,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:15,752 INFO L495 AbstractCegarLoop]: Abstraction has 180463 states and 195994 transitions. [2022-12-13 20:59:15,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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 20:59:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 180463 states and 195994 transitions. [2022-12-13 20:59:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-12-13 20:59:15,776 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:15,776 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, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:59:15,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 20:59:15,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:15,979 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:15,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:15,979 INFO L85 PathProgramCache]: Analyzing trace with hash 851411460, now seen corresponding path program 1 times [2022-12-13 20:59:15,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:15,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87771102] [2022-12-13 20:59:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:15,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-12-13 20:59:16,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:16,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87771102] [2022-12-13 20:59:16,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87771102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:16,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:16,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:16,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118049294] [2022-12-13 20:59:16,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:16,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:16,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:16,475 INFO L87 Difference]: Start difference. First operand 180463 states and 195994 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 20:59:17,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:17,639 INFO L93 Difference]: Finished difference Result 363776 states and 394951 transitions. [2022-12-13 20:59:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:17,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 424 [2022-12-13 20:59:17,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:17,821 INFO L225 Difference]: With dead ends: 363776 [2022-12-13 20:59:17,821 INFO L226 Difference]: Without dead ends: 184127 [2022-12-13 20:59:17,879 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 20:59:17,880 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 184 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:17,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 120 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:59:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184127 states. [2022-12-13 20:59:19,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184127 to 184123. [2022-12-13 20:59:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184123 states, 184122 states have (on average 1.085063164640836) internal successors, (199784), 184122 states have internal predecessors, (199784), 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 20:59:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184123 states to 184123 states and 199784 transitions. [2022-12-13 20:59:19,849 INFO L78 Accepts]: Start accepts. Automaton has 184123 states and 199784 transitions. Word has length 424 [2022-12-13 20:59:19,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:19,849 INFO L495 AbstractCegarLoop]: Abstraction has 184123 states and 199784 transitions. [2022-12-13 20:59:19,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 20:59:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 184123 states and 199784 transitions. [2022-12-13 20:59:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-13 20:59:19,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:19,876 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 20:59:19,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 20:59:19,876 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash 80875035, now seen corresponding path program 1 times [2022-12-13 20:59:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:19,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980254056] [2022-12-13 20:59:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 394 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:59:20,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:20,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980254056] [2022-12-13 20:59:20,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980254056] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:20,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956218219] [2022-12-13 20:59:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:20,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:20,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:20,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:20,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 20:59:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:20,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:59:20,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:59:21,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:21,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956218219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:21,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:21,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 20:59:21,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902360154] [2022-12-13 20:59:21,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:21,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:21,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:21,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:21,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:21,128 INFO L87 Difference]: Start difference. First operand 184123 states and 199784 transitions. Second operand has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 20:59:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:22,485 INFO L93 Difference]: Finished difference Result 366833 states and 398338 transitions. [2022-12-13 20:59:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:22,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 431 [2022-12-13 20:59:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:22,659 INFO L225 Difference]: With dead ends: 366833 [2022-12-13 20:59:22,659 INFO L226 Difference]: Without dead ends: 184133 [2022-12-13 20:59:22,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:22,715 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 88 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:22,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 331 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184133 states. [2022-12-13 20:59:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184133 to 182907. [2022-12-13 20:59:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182907 states, 182906 states have (on average 1.0834034968781778) internal successors, (198161), 182906 states have internal predecessors, (198161), 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 20:59:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182907 states to 182907 states and 198161 transitions. [2022-12-13 20:59:24,698 INFO L78 Accepts]: Start accepts. Automaton has 182907 states and 198161 transitions. Word has length 431 [2022-12-13 20:59:24,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:24,698 INFO L495 AbstractCegarLoop]: Abstraction has 182907 states and 198161 transitions. [2022-12-13 20:59:24,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 20:59:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 182907 states and 198161 transitions. [2022-12-13 20:59:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-13 20:59:24,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:24,725 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:24,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 20:59:24,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 20:59:24,927 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:24,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:24,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1563658893, now seen corresponding path program 1 times [2022-12-13 20:59:24,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:24,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854363189] [2022-12-13 20:59:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:24,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-13 20:59:25,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:25,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854363189] [2022-12-13 20:59:25,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854363189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:25,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:25,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:25,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607668041] [2022-12-13 20:59:25,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:25,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:25,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:25,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:25,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:25,722 INFO L87 Difference]: Start difference. First operand 182907 states and 198161 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 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 20:59:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:27,148 INFO L93 Difference]: Finished difference Result 363580 states and 394001 transitions. [2022-12-13 20:59:27,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:27,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 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 436 [2022-12-13 20:59:27,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:27,319 INFO L225 Difference]: With dead ends: 363580 [2022-12-13 20:59:27,319 INFO L226 Difference]: Without dead ends: 182299 [2022-12-13 20:59:27,519 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 20:59:27,520 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 133 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:27,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 122 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182299 states. [2022-12-13 20:59:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182299 to 182298. [2022-12-13 20:59:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182298 states, 182297 states have (on average 1.083512070961124) internal successors, (197521), 182297 states have internal predecessors, (197521), 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 20:59:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182298 states to 182298 states and 197521 transitions. [2022-12-13 20:59:29,351 INFO L78 Accepts]: Start accepts. Automaton has 182298 states and 197521 transitions. Word has length 436 [2022-12-13 20:59:29,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:29,351 INFO L495 AbstractCegarLoop]: Abstraction has 182298 states and 197521 transitions. [2022-12-13 20:59:29,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 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 20:59:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 182298 states and 197521 transitions. [2022-12-13 20:59:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-13 20:59:29,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:29,384 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 20:59:29,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 20:59:29,384 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:29,384 INFO L85 PathProgramCache]: Analyzing trace with hash -967106316, now seen corresponding path program 1 times [2022-12-13 20:59:29,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:29,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816559797] [2022-12-13 20:59:29,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:29,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 324 proven. 9 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-13 20:59:30,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:30,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816559797] [2022-12-13 20:59:30,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816559797] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:30,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63131167] [2022-12-13 20:59:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:30,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:30,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:30,085 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:30,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 20:59:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:30,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:59:30,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-12-13 20:59:30,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:30,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63131167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:30,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:30,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 20:59:30,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626644936] [2022-12-13 20:59:30,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:30,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:30,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:30,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:30,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:30,358 INFO L87 Difference]: Start difference. First operand 182298 states and 197521 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 20:59:32,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:32,107 INFO L93 Difference]: Finished difference Result 354467 states and 383984 transitions. [2022-12-13 20:59:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:32,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 463 [2022-12-13 20:59:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:32,287 INFO L225 Difference]: With dead ends: 354467 [2022-12-13 20:59:32,287 INFO L226 Difference]: Without dead ends: 173795 [2022-12-13 20:59:32,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:32,374 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 212 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:32,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 332 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:59:32,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173795 states. [2022-12-13 20:59:34,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173795 to 169093. [2022-12-13 20:59:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169093 states, 169092 states have (on average 1.0741785536867503) internal successors, (181635), 169092 states have internal predecessors, (181635), 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 20:59:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169093 states to 169093 states and 181635 transitions. [2022-12-13 20:59:34,296 INFO L78 Accepts]: Start accepts. Automaton has 169093 states and 181635 transitions. Word has length 463 [2022-12-13 20:59:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:34,296 INFO L495 AbstractCegarLoop]: Abstraction has 169093 states and 181635 transitions. [2022-12-13 20:59:34,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 20:59:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 169093 states and 181635 transitions. [2022-12-13 20:59:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-13 20:59:34,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:34,326 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, 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, 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] [2022-12-13 20:59:34,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 20:59:34,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-13 20:59:34,529 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:34,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1217578863, now seen corresponding path program 1 times [2022-12-13 20:59:34,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:34,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058302828] [2022-12-13 20:59:34,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-13 20:59:34,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:34,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058302828] [2022-12-13 20:59:34,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058302828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:34,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:34,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:59:34,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879553639] [2022-12-13 20:59:34,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:34,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:34,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:34,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:34,802 INFO L87 Difference]: Start difference. First operand 169093 states and 181635 transitions. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 20:59:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:36,056 INFO L93 Difference]: Finished difference Result 308058 states and 330177 transitions. [2022-12-13 20:59:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:36,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 487 [2022-12-13 20:59:36,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:36,185 INFO L225 Difference]: With dead ends: 308058 [2022-12-13 20:59:36,185 INFO L226 Difference]: Without dead ends: 138356 [2022-12-13 20:59:36,242 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 20:59:36,242 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 211 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:36,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 298 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138356 states. [2022-12-13 20:59:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138356 to 111537. [2022-12-13 20:59:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111537 states, 111536 states have (on average 1.0545922392770046) internal successors, (117625), 111536 states have internal predecessors, (117625), 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 20:59:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111537 states to 111537 states and 117625 transitions. [2022-12-13 20:59:37,760 INFO L78 Accepts]: Start accepts. Automaton has 111537 states and 117625 transitions. Word has length 487 [2022-12-13 20:59:37,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:37,760 INFO L495 AbstractCegarLoop]: Abstraction has 111537 states and 117625 transitions. [2022-12-13 20:59:37,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 20:59:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 111537 states and 117625 transitions. [2022-12-13 20:59:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-12-13 20:59:37,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:37,779 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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 20:59:37,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 20:59:37,779 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:37,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1048460441, now seen corresponding path program 1 times [2022-12-13 20:59:37,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:37,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115826099] [2022-12-13 20:59:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:37,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-13 20:59:38,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:38,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115826099] [2022-12-13 20:59:38,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115826099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:38,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:38,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:38,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447831894] [2022-12-13 20:59:38,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:38,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:38,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:38,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:38,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:38,353 INFO L87 Difference]: Start difference. First operand 111537 states and 117625 transitions. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 2 states have internal predecessors, (292), 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 20:59:39,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:39,353 INFO L93 Difference]: Finished difference Result 224516 states and 236772 transitions. [2022-12-13 20:59:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:39,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 2 states have internal predecessors, (292), 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 492 [2022-12-13 20:59:39,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:39,468 INFO L225 Difference]: With dead ends: 224516 [2022-12-13 20:59:39,468 INFO L226 Difference]: Without dead ends: 113793 [2022-12-13 20:59:39,514 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 20:59:39,515 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 85 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:39,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 114 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:59:39,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113793 states. [2022-12-13 20:59:40,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113793 to 113767. [2022-12-13 20:59:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113767 states, 113766 states have (on average 1.0539264806708506) internal successors, (119901), 113766 states have internal predecessors, (119901), 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 20:59:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113767 states to 113767 states and 119901 transitions. [2022-12-13 20:59:40,756 INFO L78 Accepts]: Start accepts. Automaton has 113767 states and 119901 transitions. Word has length 492 [2022-12-13 20:59:40,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:40,756 INFO L495 AbstractCegarLoop]: Abstraction has 113767 states and 119901 transitions. [2022-12-13 20:59:40,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 2 states have internal predecessors, (292), 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 20:59:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 113767 states and 119901 transitions. [2022-12-13 20:59:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-12-13 20:59:40,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:40,771 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 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] [2022-12-13 20:59:40,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 20:59:40,772 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1452515133, now seen corresponding path program 1 times [2022-12-13 20:59:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:40,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699378296] [2022-12-13 20:59:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-12-13 20:59:41,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:41,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699378296] [2022-12-13 20:59:41,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699378296] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:41,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:41,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:41,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843596960] [2022-12-13 20:59:41,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:41,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:41,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:41,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:41,008 INFO L87 Difference]: Start difference. First operand 113767 states and 119901 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:59:41,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:41,753 INFO L93 Difference]: Finished difference Result 225497 states and 237649 transitions. [2022-12-13 20:59:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:41,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 493 [2022-12-13 20:59:41,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:41,855 INFO L225 Difference]: With dead ends: 225497 [2022-12-13 20:59:41,855 INFO L226 Difference]: Without dead ends: 112747 [2022-12-13 20:59:42,069 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 20:59:42,070 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 203 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:42,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 29 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:59:42,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112747 states. [2022-12-13 20:59:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112747 to 112746. [2022-12-13 20:59:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112746 states, 112745 states have (on average 1.0535988292163732) internal successors, (118788), 112745 states have internal predecessors, (118788), 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 20:59:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112746 states to 112746 states and 118788 transitions. [2022-12-13 20:59:43,257 INFO L78 Accepts]: Start accepts. Automaton has 112746 states and 118788 transitions. Word has length 493 [2022-12-13 20:59:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:43,257 INFO L495 AbstractCegarLoop]: Abstraction has 112746 states and 118788 transitions. [2022-12-13 20:59:43,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:59:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 112746 states and 118788 transitions. [2022-12-13 20:59:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-12-13 20:59:43,273 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:43,273 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-12-13 20:59:43,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 20:59:43,274 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:43,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1883067223, now seen corresponding path program 1 times [2022-12-13 20:59:43,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:43,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924894429] [2022-12-13 20:59:43,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-13 20:59:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:44,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924894429] [2022-12-13 20:59:44,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924894429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:44,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:44,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:59:44,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553556368] [2022-12-13 20:59:44,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:44,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:44,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:44,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:44,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:59:44,208 INFO L87 Difference]: Start difference. First operand 112746 states and 118788 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 2 states have internal predecessors, (301), 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 20:59:45,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:45,133 INFO L93 Difference]: Finished difference Result 224679 states and 236741 transitions. [2022-12-13 20:59:45,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:45,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 2 states have internal predecessors, (301), 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 501 [2022-12-13 20:59:45,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:45,237 INFO L225 Difference]: With dead ends: 224679 [2022-12-13 20:59:45,237 INFO L226 Difference]: Without dead ends: 112950 [2022-12-13 20:59:45,282 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 20:59:45,282 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:45,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 117 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:59:45,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112950 states. [2022-12-13 20:59:46,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112950 to 112949. [2022-12-13 20:59:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112949 states, 112948 states have (on average 1.053511350355916) internal successors, (118992), 112948 states have internal predecessors, (118992), 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 20:59:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112949 states to 112949 states and 118992 transitions. [2022-12-13 20:59:46,643 INFO L78 Accepts]: Start accepts. Automaton has 112949 states and 118992 transitions. Word has length 501 [2022-12-13 20:59:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:46,643 INFO L495 AbstractCegarLoop]: Abstraction has 112949 states and 118992 transitions. [2022-12-13 20:59:46,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 2 states have internal predecessors, (301), 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 20:59:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 112949 states and 118992 transitions. [2022-12-13 20:59:46,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-12-13 20:59:46,657 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:46,657 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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, 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, 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] [2022-12-13 20:59:46,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 20:59:46,658 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1386108956, now seen corresponding path program 1 times [2022-12-13 20:59:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:46,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140619452] [2022-12-13 20:59:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 510 proven. 217 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 20:59:47,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:47,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140619452] [2022-12-13 20:59:47,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140619452] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:47,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753581982] [2022-12-13 20:59:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:47,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:47,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 20:59:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:47,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:59:47,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-12-13 20:59:47,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:47,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753581982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:47,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:47,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 20:59:47,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481663355] [2022-12-13 20:59:47,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:47,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:47,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:47,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:47,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:47,888 INFO L87 Difference]: Start difference. First operand 112949 states and 118992 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 20:59:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:48,873 INFO L93 Difference]: Finished difference Result 232643 states and 245235 transitions. [2022-12-13 20:59:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:48,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 508 [2022-12-13 20:59:48,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:48,986 INFO L225 Difference]: With dead ends: 232643 [2022-12-13 20:59:48,986 INFO L226 Difference]: Without dead ends: 120914 [2022-12-13 20:59:49,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:59:49,031 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 98 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:49,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 312 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:49,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120914 states. [2022-12-13 20:59:50,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120914 to 115634. [2022-12-13 20:59:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115634 states, 115633 states have (on average 1.0539119455518753) internal successors, (121867), 115633 states have internal predecessors, (121867), 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 20:59:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115634 states to 115634 states and 121867 transitions. [2022-12-13 20:59:50,362 INFO L78 Accepts]: Start accepts. Automaton has 115634 states and 121867 transitions. Word has length 508 [2022-12-13 20:59:50,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:50,362 INFO L495 AbstractCegarLoop]: Abstraction has 115634 states and 121867 transitions. [2022-12-13 20:59:50,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 20:59:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 115634 states and 121867 transitions. [2022-12-13 20:59:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2022-12-13 20:59:50,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:50,382 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, 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, 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] [2022-12-13 20:59:50,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 20:59:50,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-12-13 20:59:50,584 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:50,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:50,585 INFO L85 PathProgramCache]: Analyzing trace with hash 29246285, now seen corresponding path program 1 times [2022-12-13 20:59:50,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:50,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758249224] [2022-12-13 20:59:50,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:50,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 569 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 20:59:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:51,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758249224] [2022-12-13 20:59:51,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758249224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:51,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:59:51,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:59:51,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691485351] [2022-12-13 20:59:51,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:51,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:59:51,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:59:51,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:51,118 INFO L87 Difference]: Start difference. First operand 115634 states and 121867 transitions. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 3 states have internal predecessors, (417), 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 20:59:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:52,240 INFO L93 Difference]: Finished difference Result 227036 states and 239327 transitions. [2022-12-13 20:59:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:59:52,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 3 states have internal predecessors, (417), 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 511 [2022-12-13 20:59:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:52,345 INFO L225 Difference]: With dead ends: 227036 [2022-12-13 20:59:52,345 INFO L226 Difference]: Without dead ends: 111810 [2022-12-13 20:59:52,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:59:52,389 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 292 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:52,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 51 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:59:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111810 states. [2022-12-13 20:59:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111810 to 109329. [2022-12-13 20:59:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109329 states, 109328 states have (on average 1.0528501390311722) internal successors, (115106), 109328 states have internal predecessors, (115106), 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 20:59:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109329 states to 109329 states and 115106 transitions. [2022-12-13 20:59:53,814 INFO L78 Accepts]: Start accepts. Automaton has 109329 states and 115106 transitions. Word has length 511 [2022-12-13 20:59:53,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:53,815 INFO L495 AbstractCegarLoop]: Abstraction has 109329 states and 115106 transitions. [2022-12-13 20:59:53,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 3 states have internal predecessors, (417), 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 20:59:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 109329 states and 115106 transitions. [2022-12-13 20:59:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-12-13 20:59:53,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:53,833 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:53,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 20:59:53,833 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash -238287328, now seen corresponding path program 1 times [2022-12-13 20:59:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:53,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912208078] [2022-12-13 20:59:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 606 proven. 227 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-13 20:59:55,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:55,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912208078] [2022-12-13 20:59:55,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912208078] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:55,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027247491] [2022-12-13 20:59:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:55,516 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:55,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 20:59:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:55,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:59:55,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 700 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-12-13 20:59:55,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:55,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027247491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:55,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:55,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 20:59:55,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707016476] [2022-12-13 20:59:55,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:55,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:55,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:55,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:55,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:59:55,888 INFO L87 Difference]: Start difference. First operand 109329 states and 115106 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 20:59:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:59:56,756 INFO L93 Difference]: Finished difference Result 277822 states and 292801 transitions. [2022-12-13 20:59:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:59:56,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 531 [2022-12-13 20:59:56,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:59:56,901 INFO L225 Difference]: With dead ends: 277822 [2022-12-13 20:59:56,901 INFO L226 Difference]: Without dead ends: 163826 [2022-12-13 20:59:56,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:59:56,925 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 196 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:59:56,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 732 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:59:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163826 states. [2022-12-13 20:59:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163826 to 149208. [2022-12-13 20:59:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149208 states, 149207 states have (on average 1.0519881774983748) internal successors, (156964), 149207 states have internal predecessors, (156964), 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 20:59:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149208 states to 149208 states and 156964 transitions. [2022-12-13 20:59:58,552 INFO L78 Accepts]: Start accepts. Automaton has 149208 states and 156964 transitions. Word has length 531 [2022-12-13 20:59:58,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:59:58,553 INFO L495 AbstractCegarLoop]: Abstraction has 149208 states and 156964 transitions. [2022-12-13 20:59:58,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 20:59:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 149208 states and 156964 transitions. [2022-12-13 20:59:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-12-13 20:59:58,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:59:58,575 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:58,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 20:59:58,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-12-13 20:59:58,777 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:59:58,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:59:58,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2125960140, now seen corresponding path program 1 times [2022-12-13 20:59:58,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:59:58,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397388122] [2022-12-13 20:59:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:59:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 569 proven. 142 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 20:59:59,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:59:59,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397388122] [2022-12-13 20:59:59,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397388122] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:59:59,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584253691] [2022-12-13 20:59:59,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:59:59,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:59:59,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:59:59,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:59:59,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 20:59:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:59:59,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:59:59,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:59:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-13 20:59:59,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:59:59,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584253691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:59:59,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:59:59,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 20:59:59,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256978702] [2022-12-13 20:59:59,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:59:59,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:59:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:59:59,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:59:59,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:59:59,827 INFO L87 Difference]: Start difference. First operand 149208 states and 156964 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 21:00:01,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:01,040 INFO L93 Difference]: Finished difference Result 286434 states and 301310 transitions. [2022-12-13 21:00:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:01,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 534 [2022-12-13 21:00:01,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:01,179 INFO L225 Difference]: With dead ends: 286434 [2022-12-13 21:00:01,180 INFO L226 Difference]: Without dead ends: 138649 [2022-12-13 21:00:01,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:00:01,225 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 195 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:01,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 77 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 21:00:01,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138649 states. [2022-12-13 21:00:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138649 to 135589. [2022-12-13 21:00:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135589 states, 135588 states have (on average 1.0464495383072248) internal successors, (141886), 135588 states have internal predecessors, (141886), 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 21:00:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135589 states to 135589 states and 141886 transitions. [2022-12-13 21:00:02,834 INFO L78 Accepts]: Start accepts. Automaton has 135589 states and 141886 transitions. Word has length 534 [2022-12-13 21:00:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:02,834 INFO L495 AbstractCegarLoop]: Abstraction has 135589 states and 141886 transitions. [2022-12-13 21:00:02,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 21:00:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 135589 states and 141886 transitions. [2022-12-13 21:00:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-13 21:00:02,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:02,863 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, 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, 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 21:00:02,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-13 21:00:03,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:03,065 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash -170018539, now seen corresponding path program 1 times [2022-12-13 21:00:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:03,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991622380] [2022-12-13 21:00:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-12-13 21:00:03,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:03,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991622380] [2022-12-13 21:00:03,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991622380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:03,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:00:03,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:00:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458595517] [2022-12-13 21:00:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:03,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:03,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:03,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:03,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:00:03,601 INFO L87 Difference]: Start difference. First operand 135589 states and 141886 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 21:00:04,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:04,869 INFO L93 Difference]: Finished difference Result 299917 states and 313896 transitions. [2022-12-13 21:00:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:04,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 535 [2022-12-13 21:00:04,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:05,007 INFO L225 Difference]: With dead ends: 299917 [2022-12-13 21:00:05,007 INFO L226 Difference]: Without dead ends: 165751 [2022-12-13 21:00:05,041 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 21:00:05,041 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 110 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:05,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 72 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 21:00:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165751 states. [2022-12-13 21:00:06,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165751 to 154383. [2022-12-13 21:00:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154383 states, 154382 states have (on average 1.0485872705367205) internal successors, (161883), 154382 states have internal predecessors, (161883), 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 21:00:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154383 states to 154383 states and 161883 transitions. [2022-12-13 21:00:07,027 INFO L78 Accepts]: Start accepts. Automaton has 154383 states and 161883 transitions. Word has length 535 [2022-12-13 21:00:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:07,027 INFO L495 AbstractCegarLoop]: Abstraction has 154383 states and 161883 transitions. [2022-12-13 21:00:07,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 21:00:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 154383 states and 161883 transitions. [2022-12-13 21:00:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-12-13 21:00:07,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:07,051 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-12-13 21:00:07,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 21:00:07,051 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2009320474, now seen corresponding path program 1 times [2022-12-13 21:00:07,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:07,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619455527] [2022-12-13 21:00:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 531 proven. 252 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 21:00:07,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:07,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619455527] [2022-12-13 21:00:07,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619455527] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:07,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033732159] [2022-12-13 21:00:07,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:07,760 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:07,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 21:00:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:08,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:00:08,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-13 21:00:08,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:08,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033732159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:08,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:08,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 21:00:08,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181941359] [2022-12-13 21:00:08,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:08,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:08,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:08,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:08,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:00:08,266 INFO L87 Difference]: Start difference. First operand 154383 states and 161883 transitions. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 21:00:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:09,270 INFO L93 Difference]: Finished difference Result 250141 states and 262162 transitions. [2022-12-13 21:00:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:09,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 539 [2022-12-13 21:00:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:09,356 INFO L225 Difference]: With dead ends: 250141 [2022-12-13 21:00:09,357 INFO L226 Difference]: Without dead ends: 89670 [2022-12-13 21:00:09,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:00:09,395 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 86 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:09,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 327 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:00:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89670 states. [2022-12-13 21:00:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89670 to 74174. [2022-12-13 21:00:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74174 states, 74173 states have (on average 1.0451107545872487) internal successors, (77519), 74173 states have internal predecessors, (77519), 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 21:00:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74174 states to 74174 states and 77519 transitions. [2022-12-13 21:00:10,192 INFO L78 Accepts]: Start accepts. Automaton has 74174 states and 77519 transitions. Word has length 539 [2022-12-13 21:00:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:10,193 INFO L495 AbstractCegarLoop]: Abstraction has 74174 states and 77519 transitions. [2022-12-13 21:00:10,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 21:00:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 74174 states and 77519 transitions. [2022-12-13 21:00:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-12-13 21:00:10,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:10,213 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 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] [2022-12-13 21:00:10,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 21:00:10,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:10,415 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1244585462, now seen corresponding path program 1 times [2022-12-13 21:00:10,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:10,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022653410] [2022-12-13 21:00:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:10,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 363 proven. 6 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-12-13 21:00:11,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:11,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022653410] [2022-12-13 21:00:11,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022653410] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:11,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458690836] [2022-12-13 21:00:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:11,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:11,020 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:11,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 21:00:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:11,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:00:11,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 21:00:11,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:11,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458690836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:11,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:11,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 21:00:11,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878961017] [2022-12-13 21:00:11,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:11,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:11,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:11,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:11,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:00:11,431 INFO L87 Difference]: Start difference. First operand 74174 states and 77519 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 21:00:12,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:12,110 INFO L93 Difference]: Finished difference Result 188271 states and 196732 transitions. [2022-12-13 21:00:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:12,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 542 [2022-12-13 21:00:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:12,204 INFO L225 Difference]: With dead ends: 188271 [2022-12-13 21:00:12,204 INFO L226 Difference]: Without dead ends: 113896 [2022-12-13 21:00:12,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:00:12,240 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 127 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:12,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 730 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:00:12,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113896 states. [2022-12-13 21:00:13,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113896 to 108411. [2022-12-13 21:00:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108411 states, 108410 states have (on average 1.0420533161147496) internal successors, (112969), 108410 states have internal predecessors, (112969), 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 21:00:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108411 states to 108411 states and 112969 transitions. [2022-12-13 21:00:13,426 INFO L78 Accepts]: Start accepts. Automaton has 108411 states and 112969 transitions. Word has length 542 [2022-12-13 21:00:13,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:13,426 INFO L495 AbstractCegarLoop]: Abstraction has 108411 states and 112969 transitions. [2022-12-13 21:00:13,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 21:00:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 108411 states and 112969 transitions. [2022-12-13 21:00:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2022-12-13 21:00:13,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:13,540 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:13,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 21:00:13,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:13,741 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:13,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash -620247018, now seen corresponding path program 1 times [2022-12-13 21:00:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:13,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075376505] [2022-12-13 21:00:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3541 backedges. 1517 proven. 143 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2022-12-13 21:00:16,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:16,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075376505] [2022-12-13 21:00:16,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075376505] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:16,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433216189] [2022-12-13 21:00:16,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:16,248 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:16,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 21:00:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:16,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:00:16,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3541 backedges. 1817 proven. 0 refuted. 0 times theorem prover too weak. 1724 trivial. 0 not checked. [2022-12-13 21:00:16,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:16,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433216189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:16,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:16,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 21:00:16,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093831444] [2022-12-13 21:00:16,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:16,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:16,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:16,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:16,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:16,994 INFO L87 Difference]: Start difference. First operand 108411 states and 112969 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 21:00:17,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:17,918 INFO L93 Difference]: Finished difference Result 278472 states and 290143 transitions. [2022-12-13 21:00:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:17,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 837 [2022-12-13 21:00:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:18,062 INFO L225 Difference]: With dead ends: 278472 [2022-12-13 21:00:18,062 INFO L226 Difference]: Without dead ends: 170672 [2022-12-13 21:00:18,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:18,095 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 165 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:18,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 451 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:00:18,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170672 states. [2022-12-13 21:00:19,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170672 to 162878. [2022-12-13 21:00:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162878 states, 162877 states have (on average 1.042111532014956) internal successors, (169736), 162877 states have internal predecessors, (169736), 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 21:00:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162878 states to 162878 states and 169736 transitions. [2022-12-13 21:00:20,055 INFO L78 Accepts]: Start accepts. Automaton has 162878 states and 169736 transitions. Word has length 837 [2022-12-13 21:00:20,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:20,055 INFO L495 AbstractCegarLoop]: Abstraction has 162878 states and 169736 transitions. [2022-12-13 21:00:20,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 21:00:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 162878 states and 169736 transitions. [2022-12-13 21:00:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2022-12-13 21:00:20,104 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:20,105 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:20,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-12-13 21:00:20,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-12-13 21:00:20,307 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:20,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:20,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1098491262, now seen corresponding path program 1 times [2022-12-13 21:00:20,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:20,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586845569] [2022-12-13 21:00:20,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:20,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3482 backedges. 1534 proven. 143 refuted. 0 times theorem prover too weak. 1805 trivial. 0 not checked. [2022-12-13 21:00:22,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:22,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586845569] [2022-12-13 21:00:22,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586845569] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:22,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070998754] [2022-12-13 21:00:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:22,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:22,860 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 21:00:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:23,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:00:23,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3482 backedges. 2275 proven. 0 refuted. 0 times theorem prover too weak. 1207 trivial. 0 not checked. [2022-12-13 21:00:23,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:23,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070998754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:23,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:23,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 21:00:23,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383921732] [2022-12-13 21:00:23,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:23,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:23,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:23,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:23,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:23,648 INFO L87 Difference]: Start difference. First operand 162878 states and 169736 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:00:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:24,843 INFO L93 Difference]: Finished difference Result 317398 states and 330728 transitions. [2022-12-13 21:00:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:24,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 858 [2022-12-13 21:00:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:24,981 INFO L225 Difference]: With dead ends: 317398 [2022-12-13 21:00:24,982 INFO L226 Difference]: Without dead ends: 155131 [2022-12-13 21:00:25,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:25,045 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 156 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:25,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 258 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 21:00:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155131 states. [2022-12-13 21:00:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155131 to 153913. [2022-12-13 21:00:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153913 states, 153912 states have (on average 1.0404127033629607) internal successors, (160132), 153912 states have internal predecessors, (160132), 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 21:00:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153913 states to 153913 states and 160132 transitions. [2022-12-13 21:00:26,782 INFO L78 Accepts]: Start accepts. Automaton has 153913 states and 160132 transitions. Word has length 858 [2022-12-13 21:00:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:26,783 INFO L495 AbstractCegarLoop]: Abstraction has 153913 states and 160132 transitions. [2022-12-13 21:00:26,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:00:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 153913 states and 160132 transitions. [2022-12-13 21:00:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2022-12-13 21:00:26,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:26,832 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 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, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 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] [2022-12-13 21:00:26,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-13 21:00:27,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-12-13 21:00:27,034 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1916074015, now seen corresponding path program 1 times [2022-12-13 21:00:27,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:27,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860262871] [2022-12-13 21:00:27,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 1446 proven. 143 refuted. 0 times theorem prover too weak. 1660 trivial. 0 not checked. [2022-12-13 21:00:29,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:29,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860262871] [2022-12-13 21:00:29,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860262871] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:29,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978160458] [2022-12-13 21:00:29,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:29,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:29,700 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:29,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 21:00:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:30,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:00:30,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 2124 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-12-13 21:00:30,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:30,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978160458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:30,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:30,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 21:00:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618688333] [2022-12-13 21:00:30,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:30,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:30,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:30,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:30,424 INFO L87 Difference]: Start difference. First operand 153913 states and 160132 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 21:00:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:31,682 INFO L93 Difference]: Finished difference Result 277254 states and 288072 transitions. [2022-12-13 21:00:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:31,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 873 [2022-12-13 21:00:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:31,796 INFO L225 Difference]: With dead ends: 277254 [2022-12-13 21:00:31,796 INFO L226 Difference]: Without dead ends: 123952 [2022-12-13 21:00:31,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 872 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:31,845 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 159 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:31,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 84 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:00:31,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123952 states. [2022-12-13 21:00:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123952 to 117036. [2022-12-13 21:00:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117036 states, 117035 states have (on average 1.0356901781518348) internal successors, (121212), 117035 states have internal predecessors, (121212), 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 21:00:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117036 states to 117036 states and 121212 transitions. [2022-12-13 21:00:33,291 INFO L78 Accepts]: Start accepts. Automaton has 117036 states and 121212 transitions. Word has length 873 [2022-12-13 21:00:33,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:33,292 INFO L495 AbstractCegarLoop]: Abstraction has 117036 states and 121212 transitions. [2022-12-13 21:00:33,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 21:00:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 117036 states and 121212 transitions. [2022-12-13 21:00:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1242 [2022-12-13 21:00:33,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:33,394 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 17, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 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, 9, 8, 8, 8, 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:00:33,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 21:00:33,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-12-13 21:00:33,596 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:33,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:33,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2080777938, now seen corresponding path program 1 times [2022-12-13 21:00:33,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:33,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477420991] [2022-12-13 21:00:33,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:33,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6137 backedges. 2149 proven. 143 refuted. 0 times theorem prover too weak. 3845 trivial. 0 not checked. [2022-12-13 21:00:37,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:37,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477420991] [2022-12-13 21:00:37,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477420991] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:37,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494581170] [2022-12-13 21:00:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:37,573 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:37,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-13 21:00:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:38,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:00:38,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6137 backedges. 4295 proven. 0 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2022-12-13 21:00:38,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:38,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494581170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:38,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:38,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 21:00:38,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341860652] [2022-12-13 21:00:38,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:38,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:38,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:38,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:38,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:38,290 INFO L87 Difference]: Start difference. First operand 117036 states and 121212 transitions. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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 21:00:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:39,182 INFO L93 Difference]: Finished difference Result 291975 states and 302456 transitions. [2022-12-13 21:00:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:39,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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 1241 [2022-12-13 21:00:39,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:39,327 INFO L225 Difference]: With dead ends: 291975 [2022-12-13 21:00:39,328 INFO L226 Difference]: Without dead ends: 175144 [2022-12-13 21:00:39,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 1240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:39,387 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:39,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 681 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:00:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175144 states. [2022-12-13 21:00:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175144 to 168439. [2022-12-13 21:00:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168439 states, 168438 states have (on average 1.0351167788741258) internal successors, (174353), 168438 states have internal predecessors, (174353), 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 21:00:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168439 states to 168439 states and 174353 transitions. [2022-12-13 21:00:41,215 INFO L78 Accepts]: Start accepts. Automaton has 168439 states and 174353 transitions. Word has length 1241 [2022-12-13 21:00:41,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:41,215 INFO L495 AbstractCegarLoop]: Abstraction has 168439 states and 174353 transitions. [2022-12-13 21:00:41,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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 21:00:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 168439 states and 174353 transitions. [2022-12-13 21:00:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1336 [2022-12-13 21:00:41,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:41,341 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 19, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 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, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:00:41,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-13 21:00:41,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:41,544 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:41,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1652100867, now seen corresponding path program 1 times [2022-12-13 21:00:41,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:41,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75039625] [2022-12-13 21:00:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7455 backedges. 2421 proven. 143 refuted. 0 times theorem prover too weak. 4891 trivial. 0 not checked. [2022-12-13 21:00:45,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:45,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75039625] [2022-12-13 21:00:45,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75039625] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:45,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840039253] [2022-12-13 21:00:45,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:45,806 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-13 21:00:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:46,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:00:46,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7455 backedges. 3280 proven. 0 refuted. 0 times theorem prover too weak. 4175 trivial. 0 not checked. [2022-12-13 21:00:46,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:46,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840039253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:46,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:46,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-12-13 21:00:46,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510279191] [2022-12-13 21:00:46,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:46,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:00:46,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:46,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:00:46,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:46,455 INFO L87 Difference]: Start difference. First operand 168439 states and 174353 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 21:00:47,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:47,382 INFO L93 Difference]: Finished difference Result 339921 states and 351778 transitions. [2022-12-13 21:00:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:00:47,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 1335 [2022-12-13 21:00:47,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:47,601 INFO L225 Difference]: With dead ends: 339921 [2022-12-13 21:00:47,601 INFO L226 Difference]: Without dead ends: 166815 [2022-12-13 21:00:47,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1334 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:00:47,651 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 173 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:47,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 623 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:00:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166815 states. [2022-12-13 21:00:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166815 to 166815. [2022-12-13 21:00:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166815 states, 166814 states have (on average 1.0340798733919216) internal successors, (172499), 166814 states have internal predecessors, (172499), 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 21:00:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166815 states to 166815 states and 172499 transitions. [2022-12-13 21:00:49,373 INFO L78 Accepts]: Start accepts. Automaton has 166815 states and 172499 transitions. Word has length 1335 [2022-12-13 21:00:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:49,374 INFO L495 AbstractCegarLoop]: Abstraction has 166815 states and 172499 transitions. [2022-12-13 21:00:49,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 21:00:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 166815 states and 172499 transitions. [2022-12-13 21:00:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1349 [2022-12-13 21:00:49,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:00:49,498 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 19, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 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, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:00:49,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-12-13 21:00:49,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:49,700 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:00:49,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:00:49,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1471914501, now seen corresponding path program 1 times [2022-12-13 21:00:49,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:00:49,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217170199] [2022-12-13 21:00:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:00:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7573 backedges. 2442 proven. 143 refuted. 0 times theorem prover too weak. 4988 trivial. 0 not checked. [2022-12-13 21:00:54,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:00:54,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217170199] [2022-12-13 21:00:54,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217170199] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:00:54,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579884042] [2022-12-13 21:00:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:00:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:00:54,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:00:54,074 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:00:54,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-13 21:00:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:00:54,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:00:54,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:00:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7573 backedges. 3187 proven. 0 refuted. 0 times theorem prover too weak. 4386 trivial. 0 not checked. [2022-12-13 21:00:54,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:00:54,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579884042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:00:54,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:00:54,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-12-13 21:00:54,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943950350] [2022-12-13 21:00:54,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:00:54,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:00:54,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:00:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:00:54,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:00:54,881 INFO L87 Difference]: Start difference. First operand 166815 states and 172499 transitions. Second operand has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 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 21:00:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:00:56,177 INFO L93 Difference]: Finished difference Result 253884 states and 262534 transitions. [2022-12-13 21:00:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:00:56,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 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 1348 [2022-12-13 21:00:56,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:00:56,178 INFO L225 Difference]: With dead ends: 253884 [2022-12-13 21:00:56,178 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:00:56,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1354 GetRequests, 1346 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:00:56,225 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 510 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:00:56,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 73 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 21:00:56,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:00:56,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:00:56,226 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 21:00:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:00:56,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1348 [2022-12-13 21:00:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:00:56,227 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:00:56,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 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 21:00:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:00:56,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:00:56,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:00:56,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-12-13 21:00:56,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-12-13 21:00:56,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:02:26,302 WARN L233 SmtUtils]: Spent 1.50m on a formula simplification. DAG size of input: 1699 DAG size of output: 1682 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:03:54,561 WARN L233 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 1699 DAG size of output: 1682 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:04:34,099 WARN L233 SmtUtils]: Spent 39.52s on a formula simplification. DAG size of input: 1682 DAG size of output: 283 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 21:05:14,452 WARN L233 SmtUtils]: Spent 40.34s on a formula simplification. DAG size of input: 1682 DAG size of output: 283 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,456 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,457 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,458 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,459 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 21:05:14,460 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,461 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,462 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 21:05:14,463 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,464 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,465 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1519) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-13 21:05:14,466 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,467 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,468 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 21:05:14,469 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 21:05:14,470 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,471 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-12-13 21:05:14,472 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-12-13 21:05:14,472 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse19 (= ~a11~0 1))) (let ((.cse5 (<= ~a4~0 0)) (.cse7 (= ~a18~0 1)) (.cse14 (= ~a26~0 ~a11~0)) (.cse4 (= ~a0~0 1)) (.cse8 (= ~a16~0 1)) (.cse1 (= ~a6~0 0)) (.cse21 (<= ~a27~0 0)) (.cse2 (<= ~a11~0 0)) (.cse6 (= ~a3~0 0)) (.cse12 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse13 (= ~a3~0 1)) (.cse9 (= ~a6~0 1)) (.cse3 (= ~a27~0 1)) (.cse27 (not .cse19)) (.cse18 (= ~a12~0 1))) (let ((.cse29 (not .cse18)) (.cse32 (or (and .cse12 .cse0 .cse9 .cse2 .cse3 .cse6) (and .cse12 .cse0 .cse13 .cse9 .cse3 .cse27))) (.cse25 (or (and .cse12 .cse0 .cse18 .cse8 .cse1 .cse13 .cse21) (and .cse12 .cse0 .cse18 .cse13 .cse2 .cse3))) (.cse33 (or (and .cse0 .cse19 .cse9 .cse14 .cse3 .cse4 .cse6) (and .cse12 .cse0 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse12 .cse0 .cse13 .cse9 .cse3 .cse4 .cse27))) (.cse31 (= ~a26~0 ~a8~0)) (.cse28 (or (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3) (and .cse12 .cse0 .cse8 .cse9 .cse14 .cse3 .cse6) (and .cse12 .cse0 .cse8 .cse9 .cse2 .cse3 .cse6))) (.cse20 (= ~a17~0 1)) (.cse36 (or (and .cse0 .cse8 .cse13 .cse9 .cse2 .cse3 .cse5 .cse7) (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse5 .cse7 .cse21))) (.cse22 (<= ~a0~0 0)) (.cse34 (<= ~a10~0 0)) (.cse26 (<= ~a26~0 0)) (.cse15 (= ~a15~0 1)) (.cse30 (<= ~a23~0 0)) (.cse17 (= ~a26~0 0)) (.cse35 (= ~a26~0 ~a6~0)) (.cse16 (= ~a12~0 ~a6~0)) (.cse24 (<= 2 ~a3~0)) (.cse10 (<= ~a12~0 0)) (.cse11 (<= ~a7~0 0)) (.cse23 (<= 1 ~a3~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse2 .cse10 .cse3 .cse6 .cse7) (and (or (and .cse11 .cse12 .cse0 .cse8 .cse9 .cse2 .cse3 .cse6) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3) (and .cse11 .cse12 .cse0 .cse8 .cse9 .cse14 .cse3 .cse6)) .cse7) (and .cse15 .cse12 .cse0 .cse1 .cse2 .cse3 .cse16 .cse6 .cse7) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse19 .cse13 .cse9 .cse20 .cse4 .cse7 .cse21) (and .cse12 .cse0 .cse8 .cse19 .cse13 .cse20 .cse10 .cse4 .cse7 .cse21) (and .cse12 .cse22 .cse0 .cse23 .cse24 .cse8 .cse1 .cse2 .cse10 .cse3 .cse7) (and .cse22 .cse0 .cse9 .cse10 .cse3 .cse5 .cse6 .cse7) (and .cse25 .cse9) (and .cse11 .cse0 .cse18 .cse24 .cse8 .cse19 .cse9 .cse3 .cse4 .cse7) (and .cse11 .cse0 .cse8 .cse26 .cse13 .cse9 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse28 .cse5 .cse7) (and (or (and .cse15 .cse11 .cse12 .cse0 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse11 .cse12 .cse0 .cse1 .cse3 .cse16 .cse6)) .cse5 .cse7) (and .cse12 .cse0 .cse9 .cse29 .cse2 .cse5 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse3 .cse6) (and .cse12 .cse0 .cse18 .cse8 .cse19 .cse1 .cse6 .cse21) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse12 .cse22 .cse0 .cse8 .cse13 .cse2 .cse10 .cse7 .cse21) (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse20 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse19 .cse1 .cse30 .cse4 .cse16 .cse6 .cse7 .cse21) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse15 .cse11 .cse17 .cse0 .cse18 .cse23 .cse24 .cse8 .cse2 .cse4 .cse31 .cse16 .cse7 .cse21) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse9 .cse2 .cse4 .cse6 .cse7 .cse21) (and .cse32 .cse29 .cse5 .cse7) (and .cse11 .cse17 .cse0 .cse23 .cse8 .cse1 .cse2 .cse10 .cse3 .cse4 .cse7) (and .cse11 .cse0 .cse24 .cse8 .cse26 .cse9 .cse20 .cse2 .cse10 .cse4 .cse7 .cse21) (and .cse17 .cse0 .cse18 .cse1 .cse13 .cse2 .cse4 .cse5 .cse7) (and .cse33 .cse10 .cse7) (and .cse32 .cse10 .cse7) (and .cse11 .cse34 .cse25 .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse19 .cse9 .cse35 .cse4 .cse16 .cse6 .cse7) (and (or (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3 .cse5 .cse7) (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse3 .cse4 .cse27 .cse5 .cse7)) .cse10) (and .cse11 .cse12 .cse0 .cse13 .cse9 .cse10 .cse3 .cse7) (and .cse11 .cse0 .cse8 .cse30 .cse13 .cse9 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse22 (or (and (or (and .cse15 .cse12 .cse0 .cse8 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse12 .cse0 .cse8 .cse1 .cse3 .cse16 .cse6)) .cse7) (and .cse12 .cse0 .cse8 .cse1 .cse14 .cse10 .cse3 .cse6 .cse7))) (and .cse19 .cse25) (and .cse11 .cse17 .cse0 .cse18 .cse24 .cse8 .cse30 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse35 .cse3 .cse16 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse13 .cse14 .cse3 .cse4) (and .cse15 .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse2 .cse4 .cse16 .cse7) (and .cse33 .cse5 .cse7) (and .cse24 (or (and .cse11 .cse12 .cse0 .cse8 .cse19 .cse9 .cse10 .cse4 .cse7) (and .cse11 .cse0 .cse8 .cse19 .cse35 .cse10 .cse4 .cse16 .cse7 .cse21))) (and .cse11 .cse17 .cse0 .cse18 .cse23 .cse8 .cse30 .cse9 .cse2 .cse4 .cse31 .cse7 .cse21) (and .cse11 .cse0 .cse24 .cse8 .cse9 .cse2 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse3 .cse4 .cse27) (and .cse12 .cse0 .cse8 .cse9 .cse3 .cse4 .cse6)) .cse7) (and .cse15 .cse0 .cse19 .cse9 .cse3 .cse4 .cse16 .cse5 .cse6 .cse7) (and .cse11 .cse0 .cse24 .cse8 .cse19 .cse1 .cse14 .cse10 .cse3 .cse4 .cse7) (and .cse17 .cse0 .cse8 .cse13 .cse9 .cse20 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse11 .cse12 .cse0 .cse24 .cse8 .cse9 .cse2 .cse10 .cse4 .cse7 .cse21) (and .cse11 .cse0 .cse8 .cse19 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse22 (or (and .cse15 .cse12 .cse0 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse12 .cse0 .cse1 .cse3 .cse16 .cse6)) .cse5 .cse7) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse10 .cse27 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse1 .cse13 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse12 .cse22 .cse0 .cse23 .cse24 .cse1 .cse2 .cse10 .cse3 .cse5 .cse7) (and .cse28 .cse10 .cse7) (and .cse15 .cse11 .cse0 .cse19 .cse9 .cse35 .cse4 .cse16 .cse5 .cse6 .cse7) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse27 .cse5 .cse7 .cse21) (and .cse22 .cse10 .cse36) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse30 .cse13 .cse9 .cse2 .cse4 .cse7 .cse21) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse4 .cse27 .cse7 .cse21) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse13 .cse9 .cse20 .cse2 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse1 .cse3 .cse16 .cse6)) .cse7) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse3 .cse4 .cse7) (and .cse20 .cse10 .cse36) (and .cse12 .cse22 .cse0 .cse13 .cse9 .cse10 .cse3 .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse9 .cse35 .cse16 .cse5 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse8 .cse1 .cse4 .cse6 .cse7 .cse21) (and .cse11 .cse12 .cse34 .cse0 .cse18 .cse24 .cse8 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse17 .cse0 .cse18 .cse8 .cse1 .cse13 .cse2 .cse4 .cse7 .cse21) (and .cse0 .cse26 (or (and .cse18 .cse1 .cse2 .cse3 .cse6) (and .cse17 .cse18 .cse1 .cse2 .cse6)) .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse19 .cse30 .cse9 .cse3 .cse4 .cse16 .cse6 .cse7) (and (or (and .cse11 .cse12 .cse0 .cse8 .cse19 .cse1 .cse4 .cse5 .cse6 .cse7 .cse21) (and .cse11 .cse0 .cse9 .cse3 .cse5 .cse6 .cse7)) .cse10) (and .cse11 .cse17 .cse0 .cse24 .cse8 .cse19 .cse1 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse11 .cse0 .cse8 .cse1 .cse3 .cse5 .cse6 .cse7) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7)) .cse10) (and .cse11 .cse0 .cse19 .cse9 .cse35 .cse4 .cse16 .cse5 .cse6 .cse7 (= ~a14~0 ~a11~0)) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse19 .cse1 .cse4 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse1 .cse2 .cse4 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse10 .cse4 .cse7 .cse21) (and (or (and .cse11 .cse12 .cse0 .cse13 .cse9 .cse3 .cse4 .cse27) (and .cse11 .cse12 .cse0 .cse9 .cse3 .cse4 .cse6)) .cse7) (and .cse11 .cse0 .cse18 .cse23 .cse8 .cse19 .cse14 .cse3 .cse4 .cse7))))) [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,474 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,475 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,476 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,477 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-12-13 21:05:14,478 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 21:05:14,479 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 64 1660) the Hoare annotation is: (let ((.cse19 (= ~a11~0 1))) (let ((.cse5 (<= ~a4~0 0)) (.cse7 (= ~a18~0 1)) (.cse14 (= ~a26~0 ~a11~0)) (.cse4 (= ~a0~0 1)) (.cse8 (= ~a16~0 1)) (.cse1 (= ~a6~0 0)) (.cse21 (<= ~a27~0 0)) (.cse2 (<= ~a11~0 0)) (.cse6 (= ~a3~0 0)) (.cse12 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse13 (= ~a3~0 1)) (.cse9 (= ~a6~0 1)) (.cse3 (= ~a27~0 1)) (.cse27 (not .cse19)) (.cse18 (= ~a12~0 1))) (let ((.cse29 (not .cse18)) (.cse32 (or (and .cse12 .cse0 .cse9 .cse2 .cse3 .cse6) (and .cse12 .cse0 .cse13 .cse9 .cse3 .cse27))) (.cse25 (or (and .cse12 .cse0 .cse18 .cse8 .cse1 .cse13 .cse21) (and .cse12 .cse0 .cse18 .cse13 .cse2 .cse3))) (.cse33 (or (and .cse0 .cse19 .cse9 .cse14 .cse3 .cse4 .cse6) (and .cse12 .cse0 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse12 .cse0 .cse13 .cse9 .cse3 .cse4 .cse27))) (.cse31 (= ~a26~0 ~a8~0)) (.cse28 (or (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3) (and .cse12 .cse0 .cse8 .cse9 .cse14 .cse3 .cse6) (and .cse12 .cse0 .cse8 .cse9 .cse2 .cse3 .cse6))) (.cse20 (= ~a17~0 1)) (.cse36 (or (and .cse0 .cse8 .cse13 .cse9 .cse2 .cse3 .cse5 .cse7) (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse5 .cse7 .cse21))) (.cse22 (<= ~a0~0 0)) (.cse34 (<= ~a10~0 0)) (.cse26 (<= ~a26~0 0)) (.cse15 (= ~a15~0 1)) (.cse30 (<= ~a23~0 0)) (.cse17 (= ~a26~0 0)) (.cse35 (= ~a26~0 ~a6~0)) (.cse16 (= ~a12~0 ~a6~0)) (.cse24 (<= 2 ~a3~0)) (.cse10 (<= ~a12~0 0)) (.cse11 (<= ~a7~0 0)) (.cse23 (<= 1 ~a3~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse2 .cse10 .cse3 .cse6 .cse7) (and (or (and .cse11 .cse12 .cse0 .cse8 .cse9 .cse2 .cse3 .cse6) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3) (and .cse11 .cse12 .cse0 .cse8 .cse9 .cse14 .cse3 .cse6)) .cse7) (and .cse15 .cse12 .cse0 .cse1 .cse2 .cse3 .cse16 .cse6 .cse7) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse19 .cse13 .cse9 .cse20 .cse4 .cse7 .cse21) (and .cse12 .cse0 .cse8 .cse19 .cse13 .cse20 .cse10 .cse4 .cse7 .cse21) (and .cse12 .cse22 .cse0 .cse23 .cse24 .cse8 .cse1 .cse2 .cse10 .cse3 .cse7) (and .cse22 .cse0 .cse9 .cse10 .cse3 .cse5 .cse6 .cse7) (and .cse25 .cse9) (and .cse11 .cse0 .cse18 .cse24 .cse8 .cse19 .cse9 .cse3 .cse4 .cse7) (and .cse11 .cse0 .cse8 .cse26 .cse13 .cse9 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse28 .cse5 .cse7) (and (or (and .cse15 .cse11 .cse12 .cse0 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse11 .cse12 .cse0 .cse1 .cse3 .cse16 .cse6)) .cse5 .cse7) (and .cse12 .cse0 .cse9 .cse29 .cse2 .cse5 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse3 .cse6) (and .cse12 .cse0 .cse18 .cse8 .cse19 .cse1 .cse6 .cse21) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse12 .cse22 .cse0 .cse8 .cse13 .cse2 .cse10 .cse7 .cse21) (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse20 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse19 .cse1 .cse30 .cse4 .cse16 .cse6 .cse7 .cse21) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse15 .cse11 .cse17 .cse0 .cse18 .cse23 .cse24 .cse8 .cse2 .cse4 .cse31 .cse16 .cse7 .cse21) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse9 .cse2 .cse4 .cse6 .cse7 .cse21) (and .cse32 .cse29 .cse5 .cse7) (and .cse11 .cse17 .cse0 .cse23 .cse8 .cse1 .cse2 .cse10 .cse3 .cse4 .cse7) (and .cse11 .cse0 .cse24 .cse8 .cse26 .cse9 .cse20 .cse2 .cse10 .cse4 .cse7 .cse21) (and .cse17 .cse0 .cse18 .cse1 .cse13 .cse2 .cse4 .cse5 .cse7) (and .cse33 .cse10 .cse7) (and .cse32 .cse10 .cse7) (and .cse11 .cse34 .cse25 .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse19 .cse9 .cse35 .cse4 .cse16 .cse6 .cse7) (and (or (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse2 .cse3 .cse5 .cse7) (and .cse11 .cse0 .cse8 .cse13 .cse9 .cse3 .cse4 .cse27 .cse5 .cse7)) .cse10) (and .cse11 .cse12 .cse0 .cse13 .cse9 .cse10 .cse3 .cse7) (and .cse11 .cse0 .cse8 .cse30 .cse13 .cse9 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse22 (or (and (or (and .cse15 .cse12 .cse0 .cse8 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse12 .cse0 .cse8 .cse1 .cse3 .cse16 .cse6)) .cse7) (and .cse12 .cse0 .cse8 .cse1 .cse14 .cse10 .cse3 .cse6 .cse7))) (and .cse19 .cse25) (and .cse11 .cse17 .cse0 .cse18 .cse24 .cse8 .cse30 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse35 .cse3 .cse16 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse13 .cse14 .cse3 .cse4) (and .cse15 .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse2 .cse4 .cse16 .cse7) (and .cse33 .cse5 .cse7) (and .cse24 (or (and .cse11 .cse12 .cse0 .cse8 .cse19 .cse9 .cse10 .cse4 .cse7) (and .cse11 .cse0 .cse8 .cse19 .cse35 .cse10 .cse4 .cse16 .cse7 .cse21))) (and .cse11 .cse17 .cse0 .cse18 .cse23 .cse8 .cse30 .cse9 .cse2 .cse4 .cse31 .cse7 .cse21) (and .cse11 .cse0 .cse24 .cse8 .cse9 .cse2 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse12 .cse0 .cse8 .cse13 .cse9 .cse3 .cse4 .cse27) (and .cse12 .cse0 .cse8 .cse9 .cse3 .cse4 .cse6)) .cse7) (and .cse15 .cse0 .cse19 .cse9 .cse3 .cse4 .cse16 .cse5 .cse6 .cse7) (and .cse11 .cse0 .cse24 .cse8 .cse19 .cse1 .cse14 .cse10 .cse3 .cse4 .cse7) (and .cse17 .cse0 .cse8 .cse13 .cse9 .cse20 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse11 .cse12 .cse0 .cse24 .cse8 .cse9 .cse2 .cse10 .cse4 .cse7 .cse21) (and .cse11 .cse0 .cse8 .cse19 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse22 (or (and .cse15 .cse12 .cse0 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse12 .cse0 .cse1 .cse3 .cse16 .cse6)) .cse5 .cse7) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse10 .cse27 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse1 .cse13 .cse10 .cse3 .cse4 .cse27 .cse7) (and .cse12 .cse22 .cse0 .cse23 .cse24 .cse1 .cse2 .cse10 .cse3 .cse5 .cse7) (and .cse28 .cse10 .cse7) (and .cse15 .cse11 .cse0 .cse19 .cse9 .cse35 .cse4 .cse16 .cse5 .cse6 .cse7) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse27 .cse5 .cse7 .cse21) (and .cse22 .cse10 .cse36) (and .cse11 .cse17 .cse0 .cse18 .cse8 .cse30 .cse13 .cse9 .cse2 .cse4 .cse7 .cse21) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse4 .cse27 .cse7 .cse21) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse13 .cse9 .cse20 .cse2 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse1 .cse13 .cse14 .cse3 .cse16) (and .cse15 .cse11 .cse12 .cse0 .cse8 .cse1 .cse3 .cse16 .cse6)) .cse7) (and .cse11 .cse17 .cse0 .cse8 .cse1 .cse13 .cse10 .cse3 .cse4 .cse7) (and .cse20 .cse10 .cse36) (and .cse12 .cse22 .cse0 .cse13 .cse9 .cse10 .cse3 .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse9 .cse35 .cse16 .cse5 .cse6 .cse7) (and .cse12 .cse0 .cse18 .cse8 .cse1 .cse4 .cse6 .cse7 .cse21) (and .cse11 .cse12 .cse34 .cse0 .cse18 .cse24 .cse8 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse17 .cse0 .cse18 .cse8 .cse1 .cse13 .cse2 .cse4 .cse7 .cse21) (and .cse0 .cse26 (or (and .cse18 .cse1 .cse2 .cse3 .cse6) (and .cse17 .cse18 .cse1 .cse2 .cse6)) .cse7) (and .cse15 .cse11 .cse0 .cse8 .cse19 .cse30 .cse9 .cse3 .cse4 .cse16 .cse6 .cse7) (and (or (and .cse11 .cse12 .cse0 .cse8 .cse19 .cse1 .cse4 .cse5 .cse6 .cse7 .cse21) (and .cse11 .cse0 .cse9 .cse3 .cse5 .cse6 .cse7)) .cse10) (and .cse11 .cse17 .cse0 .cse24 .cse8 .cse19 .cse1 .cse10 .cse3 .cse4 .cse7) (and (or (and .cse11 .cse0 .cse8 .cse1 .cse3 .cse5 .cse6 .cse7) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7)) .cse10) (and .cse11 .cse0 .cse19 .cse9 .cse35 .cse4 .cse16 .cse5 .cse6 .cse7 (= ~a14~0 ~a11~0)) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse19 .cse1 .cse4 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse18 .cse24 .cse8 .cse1 .cse2 .cse4 .cse7 .cse21) (and .cse11 .cse12 .cse0 .cse8 .cse13 .cse10 .cse4 .cse7 .cse21) (and (or (and .cse11 .cse12 .cse0 .cse13 .cse9 .cse3 .cse4 .cse27) (and .cse11 .cse12 .cse0 .cse9 .cse3 .cse4 .cse6)) .cse7) (and .cse11 .cse0 .cse18 .cse23 .cse8 .cse19 .cse14 .cse3 .cse4 .cse7))))) [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,481 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,482 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 21:05:14,485 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, 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 21:05:14,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:05:14,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:05:14 BoogieIcfgContainer [2022-12-13 21:05:14,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:05:14,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:05:14,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:05:14,542 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:05:14,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:58:31" (3/4) ... [2022-12-13 21:05:14,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:05:14,569 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 21:05:14,570 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 21:05:14,571 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:05:14,572 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:05:14,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:05:14,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:05:14,671 INFO L158 Benchmark]: Toolchain (without parser) took 405598.63ms. Allocated memory was 127.9MB in the beginning and 11.2GB in the end (delta: 11.1GB). Free memory was 88.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 8.4GB. Max. memory is 16.1GB. [2022-12-13 21:05:14,671 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:05:14,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.86ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 87.7MB in the beginning and 92.9MB in the end (delta: -5.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2022-12-13 21:05:14,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.46ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:05:14,671 INFO L158 Benchmark]: Boogie Preprocessor took 78.55ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 104.8MB in the end (delta: -26.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-12-13 21:05:14,672 INFO L158 Benchmark]: RCFGBuilder took 1473.64ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 104.8MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2022-12-13 21:05:14,672 INFO L158 Benchmark]: TraceAbstraction took 403150.36ms. Allocated memory was 186.6MB in the beginning and 11.2GB in the end (delta: 11.0GB). Free memory was 99.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 10.1GB. Max. memory is 16.1GB. [2022-12-13 21:05:14,672 INFO L158 Benchmark]: Witness Printer took 129.16ms. Allocated memory is still 11.2GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 21:05:14,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.86ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 87.7MB in the beginning and 92.9MB in the end (delta: -5.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.46ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.55ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 104.8MB in the end (delta: -26.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1473.64ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 104.8MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * TraceAbstraction took 403150.36ms. Allocated memory was 186.6MB in the beginning and 11.2GB in the end (delta: 11.0GB). Free memory was 99.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 10.1GB. Max. memory is 16.1GB. * Witness Printer took 129.16ms. Allocated memory is still 11.2GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 25.2MB). 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: 1519]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 403.1s, OverallIterations: 44, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 48.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 258.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9257 SdHoareTripleChecker+Valid, 22.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9257 mSDsluCounter, 11234 SdHoareTripleChecker+Invalid, 19.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2411 mSDsCounter, 2904 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24124 IncrementalHoareTripleChecker+Invalid, 27028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2904 mSolverCounterUnsat, 8823 mSDtfsCounter, 24124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11784 GetRequests, 11663 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184123occurred in iteration=24, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 44.4s AutomataMinimizationTime, 44 MinimizatonAttempts, 145589 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1085 NumberOfFragments, 6535 HoareAnnotationTreeSize, 3 FomulaSimplifications, 66988 FormulaSimplificationTreeSizeReduction, 178.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 578500 FormulaSimplificationTreeSizeReductionInter, 79.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 31465 NumberOfCodeBlocks, 31465 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 31402 ConstructedInterpolants, 0 QuantifiedInterpolants, 86249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20007 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 63 InterpolantComputations, 44 PerfectInterpolantSequences, 80536/82295 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && a6 == 0) && a11 <= 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) || (((((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) && a18 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a11 <= 0) && a27 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a17 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a26 == 1 && a0 <= 0) && a5 == 1) && 1 <= a3) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a0 <= 0 && a5 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1)) && a6 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) && a4 <= 0) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || (((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a4 <= 0) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a6 == 1) && !(a12 == 1)) && a11 <= 0) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a0 <= 0) && a5 == 1) && a16 == 1) && a3 == 1) && a11 <= 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a23 <= 0) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a3 == 0) && a18 == 1)) || (((((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && 1 <= a3) && 2 <= a3) && a16 == 1) && a11 <= 0) && a0 == 1) && a26 == a8) && a12 == a6) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a0 == 1) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) && !(a12 == 1)) && a4 <= 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 1 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a6 == 1) && a17 == 1) && a11 <= 0) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 0 && a5 == 1) && a12 == 1) && a6 == 0) && a3 == 1) && a11 <= 0) && a0 == 1) && a4 <= 0) && a18 == 1)) || ((((((((((a5 == 1 && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) && a12 <= 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) && a12 <= 0) && a18 == 1)) || (((a7 <= 0 && a10 <= 0) && (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1))) && a18 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a4 <= 0) && a18 == 1)) && a12 <= 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a23 <= 0) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || (a0 <= 0 && (((((((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 0) && a26 == a11) && a12 <= 0) && a27 == 1) && a3 == 0) && a18 == 1)))) || (a11 == 1 && (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1)))) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a23 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a6 == 0) && a11 <= 0) && a26 == a6) && a27 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a26 == a11) && a27 == 1) && a0 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 <= 0) && a0 == 1) && a12 == a6) && a18 == 1)) || ((((((((((a5 == 1 && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) && a4 <= 0) && a18 == 1)) || (2 <= a3 && (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a26 == a6) && a12 <= 0) && a0 == 1) && a12 == a6) && a18 == 1) && a27 <= 0)))) || ((((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && a23 <= 0) && a6 == 1) && a11 <= 0) && a0 == 1) && a26 == a8) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a3 == 0)) && a18 == 1)) || (((((((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a11) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a26 == 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a3 == 0) && a18 == 1)) || (((a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0))) && a4 <= 0) && a18 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a12 <= 0) && !(a11 == 1)) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a26 == 1 && a0 <= 0) && a5 == 1) && 1 <= a3) && 2 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1)) || ((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0) && a18 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && !(a11 == 1)) && a4 <= 0) && a18 == 1) && a27 <= 0)) || ((a0 <= 0 && a12 <= 0) && ((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a4 <= 0) && a18 == 1) && a27 <= 0)))) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a23 <= 0) && a3 == 1) && a6 == 1) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a0 == 1) && !(a11 == 1)) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || (((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a18 == 1)) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((a17 == 1 && a12 <= 0) && ((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a4 <= 0) && a18 == 1) && a27 <= 0)))) || (((((((a26 == 1 && a0 <= 0) && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a6) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a0 == 1) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((((((a7 <= 0 && a26 == 1) && a10 <= 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a26 == 0 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((a5 == 1 && a26 <= 0) && (((((a12 == 1 && a6 == 0) && a11 <= 0) && a27 == 1) && a3 == 0) || ((((a26 == 0 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0))) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a27 == 1) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) && a27 <= 0) || ((((((a7 <= 0 && a5 == 1) && a6 == 1) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) && a12 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) || (((((((a7 <= 0 && a5 == 1) && a6 == 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) && a12 <= 0)) || ((((((((((a7 <= 0 && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1) && a14 == a11)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) || ((((((a7 <= 0 && a26 == 1) && a5 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a3 == 0)) && a18 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a18 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && a6 == 0) && a11 <= 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) || (((((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) && a18 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a11 <= 0) && a27 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a17 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a26 == 1 && a0 <= 0) && a5 == 1) && 1 <= a3) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a0 <= 0 && a5 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1)) && a6 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) && a4 <= 0) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || (((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a4 <= 0) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a6 == 1) && !(a12 == 1)) && a11 <= 0) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a0 <= 0) && a5 == 1) && a16 == 1) && a3 == 1) && a11 <= 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a23 <= 0) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a3 == 0) && a18 == 1)) || (((((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && 1 <= a3) && 2 <= a3) && a16 == 1) && a11 <= 0) && a0 == 1) && a26 == a8) && a12 == a6) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a0 == 1) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) && !(a12 == 1)) && a4 <= 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 1 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a6 == 1) && a17 == 1) && a11 <= 0) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 0 && a5 == 1) && a12 == 1) && a6 == 0) && a3 == 1) && a11 <= 0) && a0 == 1) && a4 <= 0) && a18 == 1)) || ((((((((((a5 == 1 && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) && a12 <= 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) && a12 <= 0) && a18 == 1)) || (((a7 <= 0 && a10 <= 0) && (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1))) && a18 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a4 <= 0) && a18 == 1)) && a12 <= 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a23 <= 0) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || (a0 <= 0 && (((((((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 0) && a26 == a11) && a12 <= 0) && a27 == 1) && a3 == 0) && a18 == 1)))) || (a11 == 1 && (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a11 <= 0) && a27 == 1)))) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a23 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a6 == 0) && a11 <= 0) && a26 == a6) && a27 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a26 == a11) && a27 == 1) && a0 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 <= 0) && a0 == 1) && a12 == a6) && a18 == 1)) || ((((((((((a5 == 1 && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) && a4 <= 0) && a18 == 1)) || (2 <= a3 && (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a26 == a6) && a12 <= 0) && a0 == 1) && a12 == a6) && a18 == 1) && a27 <= 0)))) || ((((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && a23 <= 0) && a6 == 1) && a11 <= 0) && a0 == 1) && a26 == a8) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a3 == 0)) && a18 == 1)) || (((((((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a11) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((((a26 == 0 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a3 == 0) && a18 == 1)) || (((a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0))) && a4 <= 0) && a18 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a12 <= 0) && !(a11 == 1)) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a18 == 1)) || ((((((((((a26 == 1 && a0 <= 0) && a5 == 1) && 1 <= a3) && 2 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1)) || ((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0) && a18 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && !(a11 == 1)) && a4 <= 0) && a18 == 1) && a27 <= 0)) || ((a0 <= 0 && a12 <= 0) && ((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a4 <= 0) && a18 == 1) && a27 <= 0)))) || (((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a16 == 1) && a23 <= 0) && a3 == 1) && a6 == 1) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a0 == 1) && !(a11 == 1)) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) || (((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a17 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a26 == a11) && a27 == 1) && a12 == a6) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a3 == 0)) && a18 == 1)) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || ((a17 == 1 && a12 <= 0) && ((((((((a5 == 1 && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 == 1) && a4 <= 0) && a18 == 1) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a4 <= 0) && a18 == 1) && a27 <= 0)))) || (((((((a26 == 1 && a0 <= 0) && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a6 == 1) && a26 == a6) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a0 == 1) && a3 == 0) && a18 == 1) && a27 <= 0)) || (((((((((((a7 <= 0 && a26 == 1) && a10 <= 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a26 == 0 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a3 == 1) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((a5 == 1 && a26 <= 0) && (((((a12 == 1 && a6 == 0) && a11 <= 0) && a27 == 1) && a3 == 0) || ((((a26 == 0 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0))) && a18 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a27 == 1) && a0 == 1) && a12 == a6) && a3 == 0) && a18 == 1)) || ((((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) && a27 <= 0) || ((((((a7 <= 0 && a5 == 1) && a6 == 1) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) && a12 <= 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a6 == 0) && a27 == 1) && a4 <= 0) && a3 == 0) && a18 == 1) || (((((((a7 <= 0 && a5 == 1) && a6 == 0) && a27 == 1) && a0 == 1) && a4 <= 0) && a3 == 0) && a18 == 1)) && a12 <= 0)) || ((((((((((a7 <= 0 && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a6) && a0 == 1) && a12 == a6) && a4 <= 0) && a3 == 0) && a18 == 1) && a14 == a11)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a3 == 1) && a12 <= 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) || ((((((a7 <= 0 && a26 == 1) && a5 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a3 == 0)) && a18 == 1)) || (((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a18 == 1) RESULT: Ultimate proved your program to be correct! [2022-12-13 21:05:14,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d07f994-6e58-44b7-b1ee-f34451b010c0/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