./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/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_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/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_87cc360f-7f26-4fd5-86ec-350f52a72f93/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 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 --- 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 14:35:16,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:35:16,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:35:16,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:35:16,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:35:16,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:35:16,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:35:16,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:35:16,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:35:16,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:35:16,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:35:16,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:35:16,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:35:16,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:35:16,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:35:16,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:35:16,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:35:16,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:35:16,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:35:16,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:35:16,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:35:16,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:35:16,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:35:16,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:35:16,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:35:16,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:35:16,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:35:16,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:35:16,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:35:16,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:35:16,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:35:16,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:35:16,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:35:16,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:35:16,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:35:16,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:35:16,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:35:16,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:35:16,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:35:16,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:35:16,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:35:16,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:35:16,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:35:16,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:35:16,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:35:16,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:35:16,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:35:16,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:35:16,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:35:16,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:35:16,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:35:16,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:35:16,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:35:16,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:35:16,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:35:16,999 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:35:16,999 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_87cc360f-7f26-4fd5-86ec-350f52a72f93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 [2022-12-13 14:35:17,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:35:17,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:35:17,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:35:17,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:35:17,222 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:35:17,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-12-13 14:35:19,747 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:35:19,949 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:35:19,949 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-12-13 14:35:19,958 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/data/3c2a82146/87c5fffa0fbe41688c7673cb259119c0/FLAGf141e62a8 [2022-12-13 14:35:20,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/data/3c2a82146/87c5fffa0fbe41688c7673cb259119c0 [2022-12-13 14:35:20,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:35:20,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:35:20,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:35:20,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:35:20,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:35:20,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20, skipping insertion in model container [2022-12-13 14:35:20,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:35:20,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:35:20,531 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_87cc360f-7f26-4fd5-86ec-350f52a72f93/sv-benchmarks/c/eca-rers2012/Problem11_label05.c[9225,9238] [2022-12-13 14:35:20,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:35:20,693 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:35:20,714 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_87cc360f-7f26-4fd5-86ec-350f52a72f93/sv-benchmarks/c/eca-rers2012/Problem11_label05.c[9225,9238] [2022-12-13 14:35:20,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:35:20,788 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:35:20,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20 WrapperNode [2022-12-13 14:35:20,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:35:20,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:35:20,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:35:20,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:35:20,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,866 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-13 14:35:20,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:35:20,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:35:20,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:35:20,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:35:20,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:35:20,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:35:20,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:35:20,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:35:20,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (1/1) ... [2022-12-13 14:35:20,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:35:20,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:20,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:35:20,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:35:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:35:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:35:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:35:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:35:21,052 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:35:21,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:35:22,226 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:35:22,238 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:35:22,238 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:35:22,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:35:22 BoogieIcfgContainer [2022-12-13 14:35:22,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:35:22,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:35:22,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:35:22,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:35:22,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:35:20" (1/3) ... [2022-12-13 14:35:22,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdac84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:35:22, skipping insertion in model container [2022-12-13 14:35:22,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:35:20" (2/3) ... [2022-12-13 14:35:22,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdac84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:35:22, skipping insertion in model container [2022-12-13 14:35:22,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:35:22" (3/3) ... [2022-12-13 14:35:22,246 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label05.c [2022-12-13 14:35:22,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:35:22,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:35:22,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:35:22,302 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;@26e67982, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:35:22,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:35:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 14:35:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 14:35:22,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:22,313 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] [2022-12-13 14:35:22,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2022-12-13 14:35:22,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:22,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572536909] [2022-12-13 14:35:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:22,640 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 14:35:22,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:22,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572536909] [2022-12-13 14:35:22,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572536909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:22,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:22,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:35:22,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624178174] [2022-12-13 14:35:22,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:22,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:22,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:22,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:22,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:22,670 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 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 14:35:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:23,514 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-12-13 14:35:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:23,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-12-13 14:35:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:23,524 INFO L225 Difference]: With dead ends: 761 [2022-12-13 14:35:23,525 INFO L226 Difference]: Without dead ends: 413 [2022-12-13 14:35:23,527 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 14:35:23,529 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 164 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:23,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 14:35:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-12-13 14:35:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-12-13 14:35:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 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 14:35:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-12-13 14:35:23,570 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 64 [2022-12-13 14:35:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:23,570 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-12-13 14:35:23,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 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 14:35:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-12-13 14:35:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 14:35:23,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:23,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:35:23,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:35:23,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -355691958, now seen corresponding path program 1 times [2022-12-13 14:35:23,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:23,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587928117] [2022-12-13 14:35:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:23,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:23,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:23,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587928117] [2022-12-13 14:35:23,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587928117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:23,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:23,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:35:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114716099] [2022-12-13 14:35:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:23,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:23,755 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 14:35:24,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:24,418 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-12-13 14:35:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:24,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-12-13 14:35:24,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:24,424 INFO L225 Difference]: With dead ends: 1211 [2022-12-13 14:35:24,425 INFO L226 Difference]: Without dead ends: 800 [2022-12-13 14:35:24,426 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 14:35:24,428 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:24,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:35:24,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-12-13 14:35:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-12-13 14:35:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 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 14:35:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2022-12-13 14:35:24,459 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 132 [2022-12-13 14:35:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:24,460 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2022-12-13 14:35:24,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 14:35:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2022-12-13 14:35:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 14:35:24,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:24,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:35:24,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:35:24,463 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1592760116, now seen corresponding path program 1 times [2022-12-13 14:35:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:24,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960621491] [2022-12-13 14:35:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:24,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:24,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:24,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960621491] [2022-12-13 14:35:24,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960621491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:24,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:24,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:35:24,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175661065] [2022-12-13 14:35:24,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:24,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:24,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:24,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:24,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:24,729 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 14:35:25,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:25,409 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2022-12-13 14:35:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:25,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-12-13 14:35:25,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:25,414 INFO L225 Difference]: With dead ends: 1945 [2022-12-13 14:35:25,414 INFO L226 Difference]: Without dead ends: 1158 [2022-12-13 14:35:25,415 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 14:35:25,416 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:25,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:35:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-12-13 14:35:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-12-13 14:35:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 0 states have call successors, (0), 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 14:35:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2022-12-13 14:35:25,443 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 133 [2022-12-13 14:35:25,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:25,444 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2022-12-13 14:35:25,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 14:35:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2022-12-13 14:35:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 14:35:25,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:25,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:25,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:35:25,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:25,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash 491130087, now seen corresponding path program 1 times [2022-12-13 14:35:25,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:25,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798035624] [2022-12-13 14:35:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:25,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:25,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798035624] [2022-12-13 14:35:25,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798035624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:25,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:25,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:35:25,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881100317] [2022-12-13 14:35:25,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:25,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:25,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:25,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:25,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:25,712 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 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 14:35:26,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:26,316 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2022-12-13 14:35:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:26,317 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 191 [2022-12-13 14:35:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:26,322 INFO L225 Difference]: With dead ends: 2519 [2022-12-13 14:35:26,322 INFO L226 Difference]: Without dead ends: 1548 [2022-12-13 14:35:26,324 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 14:35:26,325 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 171 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:26,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:35:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-12-13 14:35:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-12-13 14:35:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 0 states have call successors, (0), 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 14:35:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2022-12-13 14:35:26,356 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 191 [2022-12-13 14:35:26,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:26,357 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2022-12-13 14:35:26,357 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 14:35:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2022-12-13 14:35:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 14:35:26,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:26,362 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 14:35:26,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:35:26,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1941392826, now seen corresponding path program 1 times [2022-12-13 14:35:26,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:26,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332278510] [2022-12-13 14:35:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:26,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:26,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:26,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332278510] [2022-12-13 14:35:26,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332278510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:26,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:26,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:35:26,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108184522] [2022-12-13 14:35:26,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:26,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:26,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:26,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:26,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:26,588 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) 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 14:35:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:27,235 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2022-12-13 14:35:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:27,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) 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 244 [2022-12-13 14:35:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:27,242 INFO L225 Difference]: With dead ends: 3656 [2022-12-13 14:35:27,242 INFO L226 Difference]: Without dead ends: 2297 [2022-12-13 14:35:27,244 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 14:35:27,245 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:27,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:35:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-12-13 14:35:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2022-12-13 14:35:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 0 states have call successors, (0), 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 14:35:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2022-12-13 14:35:27,287 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 244 [2022-12-13 14:35:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:27,288 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2022-12-13 14:35:27,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) 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 14:35:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2022-12-13 14:35:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 14:35:27,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:27,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 14:35:27,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:35:27,293 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash 790120528, now seen corresponding path program 1 times [2022-12-13 14:35:27,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:27,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753997185] [2022-12-13 14:35:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-13 14:35:27,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:27,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753997185] [2022-12-13 14:35:27,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753997185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:27,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:27,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:35:27,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456299164] [2022-12-13 14:35:27,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:27,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:27,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:27,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:27,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:27,466 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 14:35:28,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:28,075 INFO L93 Difference]: Finished difference Result 4765 states and 6075 transitions. [2022-12-13 14:35:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:28,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 245 [2022-12-13 14:35:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:28,081 INFO L225 Difference]: With dead ends: 4765 [2022-12-13 14:35:28,081 INFO L226 Difference]: Without dead ends: 2667 [2022-12-13 14:35:28,083 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 14:35:28,083 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 138 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:28,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:35:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2022-12-13 14:35:28,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2652. [2022-12-13 14:35:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2651 states have (on average 1.2572614107883817) internal successors, (3333), 2651 states have internal predecessors, (3333), 0 states have call successors, (0), 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 14:35:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3333 transitions. [2022-12-13 14:35:28,113 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3333 transitions. Word has length 245 [2022-12-13 14:35:28,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:28,114 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 3333 transitions. [2022-12-13 14:35:28,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 14:35:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3333 transitions. [2022-12-13 14:35:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 14:35:28,116 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:28,117 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 14:35:28,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:35:28,117 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1579189985, now seen corresponding path program 1 times [2022-12-13 14:35:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:28,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74176402] [2022-12-13 14:35:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:28,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 14:35:28,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:28,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74176402] [2022-12-13 14:35:28,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74176402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:28,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:28,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:35:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855484717] [2022-12-13 14:35:28,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:28,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:28,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:28,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:28,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:28,284 INFO L87 Difference]: Start difference. First operand 2652 states and 3333 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 14:35:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:29,013 INFO L93 Difference]: Finished difference Result 6047 states and 7676 transitions. [2022-12-13 14:35:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:29,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 246 [2022-12-13 14:35:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:29,019 INFO L225 Difference]: With dead ends: 6047 [2022-12-13 14:35:29,019 INFO L226 Difference]: Without dead ends: 3397 [2022-12-13 14:35:29,021 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 14:35:29,022 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 133 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:29,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:35:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-12-13 14:35:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3204. [2022-12-13 14:35:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.2466437714642522) internal successors, (3993), 3203 states have internal predecessors, (3993), 0 states have call successors, (0), 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 14:35:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 3993 transitions. [2022-12-13 14:35:29,070 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 3993 transitions. Word has length 246 [2022-12-13 14:35:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:29,070 INFO L495 AbstractCegarLoop]: Abstraction has 3204 states and 3993 transitions. [2022-12-13 14:35:29,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 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 14:35:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3993 transitions. [2022-12-13 14:35:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 14:35:29,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:29,073 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-12-13 14:35:29,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:35:29,073 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:29,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:29,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1141889263, now seen corresponding path program 1 times [2022-12-13 14:35:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:29,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125696488] [2022-12-13 14:35:29,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:29,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:29,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:29,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125696488] [2022-12-13 14:35:29,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125696488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:29,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:29,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:35:29,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096194953] [2022-12-13 14:35:29,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:29,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:35:29,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:29,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:35:29,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:35:29,451 INFO L87 Difference]: Start difference. First operand 3204 states and 3993 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 14:35:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:30,579 INFO L93 Difference]: Finished difference Result 11048 states and 13849 transitions. [2022-12-13 14:35:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:35:30,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 266 [2022-12-13 14:35:30,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:30,592 INFO L225 Difference]: With dead ends: 11048 [2022-12-13 14:35:30,593 INFO L226 Difference]: Without dead ends: 7846 [2022-12-13 14:35:30,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 14:35:30,595 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 273 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:30,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 193 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 14:35:30,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7846 states. [2022-12-13 14:35:30,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7846 to 7473. [2022-12-13 14:35:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7473 states, 7472 states have (on average 1.2011509635974305) internal successors, (8975), 7472 states have internal predecessors, (8975), 0 states have call successors, (0), 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 14:35:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7473 states to 7473 states and 8975 transitions. [2022-12-13 14:35:30,751 INFO L78 Accepts]: Start accepts. Automaton has 7473 states and 8975 transitions. Word has length 266 [2022-12-13 14:35:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:30,752 INFO L495 AbstractCegarLoop]: Abstraction has 7473 states and 8975 transitions. [2022-12-13 14:35:30,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 14:35:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7473 states and 8975 transitions. [2022-12-13 14:35:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-12-13 14:35:30,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:30,760 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 14:35:30,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:35:30,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:30,761 INFO L85 PathProgramCache]: Analyzing trace with hash -33415155, now seen corresponding path program 1 times [2022-12-13 14:35:30,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679720591] [2022-12-13 14:35:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:30,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 14:35:30,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:30,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679720591] [2022-12-13 14:35:30,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679720591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:30,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:30,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:35:30,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503814700] [2022-12-13 14:35:30,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:30,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:30,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:30,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:30,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:35:30,922 INFO L87 Difference]: Start difference. First operand 7473 states and 8975 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 14:35:31,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:31,445 INFO L93 Difference]: Finished difference Result 14540 states and 17486 transitions. [2022-12-13 14:35:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:31,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 267 [2022-12-13 14:35:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:31,458 INFO L225 Difference]: With dead ends: 14540 [2022-12-13 14:35:31,458 INFO L226 Difference]: Without dead ends: 7069 [2022-12-13 14:35:31,463 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 14:35:31,463 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:31,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 152 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 14:35:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7069 states. [2022-12-13 14:35:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7069 to 7068. [2022-12-13 14:35:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7068 states, 7067 states have (on average 1.144757322767794) internal successors, (8090), 7067 states have internal predecessors, (8090), 0 states have call successors, (0), 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 14:35:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7068 states to 7068 states and 8090 transitions. [2022-12-13 14:35:31,601 INFO L78 Accepts]: Start accepts. Automaton has 7068 states and 8090 transitions. Word has length 267 [2022-12-13 14:35:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:31,602 INFO L495 AbstractCegarLoop]: Abstraction has 7068 states and 8090 transitions. [2022-12-13 14:35:31,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 14:35:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 7068 states and 8090 transitions. [2022-12-13 14:35:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 14:35:31,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:31,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-12-13 14:35:31,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:35:31,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:31,609 INFO L85 PathProgramCache]: Analyzing trace with hash 726597686, now seen corresponding path program 1 times [2022-12-13 14:35:31,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:31,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644969672] [2022-12-13 14:35:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:31,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:31,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:31,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644969672] [2022-12-13 14:35:31,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644969672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:31,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:35:31,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:35:31,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252776754] [2022-12-13 14:35:31,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:31,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:35:31,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:31,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:35:31,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:35:31,938 INFO L87 Difference]: Start difference. First operand 7068 states and 8090 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 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 14:35:33,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:33,116 INFO L93 Difference]: Finished difference Result 18561 states and 21349 transitions. [2022-12-13 14:35:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:35:33,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2022-12-13 14:35:33,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:33,131 INFO L225 Difference]: With dead ends: 18561 [2022-12-13 14:35:33,131 INFO L226 Difference]: Without dead ends: 11495 [2022-12-13 14:35:33,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 14:35:33,135 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 294 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:33,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 106 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 14:35:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11495 states. [2022-12-13 14:35:33,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11495 to 10199. [2022-12-13 14:35:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1447342616199254) internal successors, (11674), 10198 states have internal predecessors, (11674), 0 states have call successors, (0), 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 14:35:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11674 transitions. [2022-12-13 14:35:33,240 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11674 transitions. Word has length 276 [2022-12-13 14:35:33,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:33,240 INFO L495 AbstractCegarLoop]: Abstraction has 10199 states and 11674 transitions. [2022-12-13 14:35:33,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 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 14:35:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11674 transitions. [2022-12-13 14:35:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 14:35:33,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:33,247 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-12-13 14:35:33,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:35:33,247 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:33,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1197973930, now seen corresponding path program 1 times [2022-12-13 14:35:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:33,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410464127] [2022-12-13 14:35:33,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:33,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 197 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:33,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:33,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410464127] [2022-12-13 14:35:33,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410464127] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:33,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966227268] [2022-12-13 14:35:33,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:33,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:33,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:33,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:35:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:34,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 14:35:34,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:34,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:35:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:36,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966227268] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:35:36,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:35:36,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 14:35:36,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733340575] [2022-12-13 14:35:36,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:35:36,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 14:35:36,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:36,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 14:35:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:35:36,070 INFO L87 Difference]: Start difference. First operand 10199 states and 11674 transitions. Second operand has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 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 14:35:39,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:39,017 INFO L93 Difference]: Finished difference Result 23229 states and 26598 transitions. [2022-12-13 14:35:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 14:35:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 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 278 [2022-12-13 14:35:39,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:39,031 INFO L225 Difference]: With dead ends: 23229 [2022-12-13 14:35:39,031 INFO L226 Difference]: Without dead ends: 13020 [2022-12-13 14:35:39,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:35:39,037 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1740 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 3465 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 3465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:39,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 106 Invalid, 4234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 3465 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 14:35:39,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13020 states. [2022-12-13 14:35:39,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13020 to 11277. [2022-12-13 14:35:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11277 states, 11276 states have (on average 1.1097020219936147) internal successors, (12513), 11276 states have internal predecessors, (12513), 0 states have call successors, (0), 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 14:35:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11277 states to 11277 states and 12513 transitions. [2022-12-13 14:35:39,146 INFO L78 Accepts]: Start accepts. Automaton has 11277 states and 12513 transitions. Word has length 278 [2022-12-13 14:35:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:39,147 INFO L495 AbstractCegarLoop]: Abstraction has 11277 states and 12513 transitions. [2022-12-13 14:35:39,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 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 14:35:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11277 states and 12513 transitions. [2022-12-13 14:35:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-12-13 14:35:39,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:39,150 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-12-13 14:35:39,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:35:39,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 14:35:39,352 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:39,353 INFO L85 PathProgramCache]: Analyzing trace with hash -927901590, now seen corresponding path program 1 times [2022-12-13 14:35:39,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:39,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59110365] [2022-12-13 14:35:39,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 179 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:39,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:39,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59110365] [2022-12-13 14:35:39,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59110365] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:39,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326052479] [2022-12-13 14:35:39,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:39,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:39,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:35:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:39,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:35:39,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:40,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:35:40,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326052479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:40,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:35:40,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 14:35:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511129956] [2022-12-13 14:35:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:40,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:35:40,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:35:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:35:40,271 INFO L87 Difference]: Start difference. First operand 11277 states and 12513 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 14:35:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:41,099 INFO L93 Difference]: Finished difference Result 23108 states and 25622 transitions. [2022-12-13 14:35:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:35:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 297 [2022-12-13 14:35:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:41,112 INFO L225 Difference]: With dead ends: 23108 [2022-12-13 14:35:41,112 INFO L226 Difference]: Without dead ends: 11833 [2022-12-13 14:35:41,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:35:41,120 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 170 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:41,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 166 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 14:35:41,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11833 states. [2022-12-13 14:35:41,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11833 to 11645. [2022-12-13 14:35:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11645 states, 11644 states have (on average 1.1072655444864308) internal successors, (12893), 11644 states have internal predecessors, (12893), 0 states have call successors, (0), 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 14:35:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11645 states to 11645 states and 12893 transitions. [2022-12-13 14:35:41,233 INFO L78 Accepts]: Start accepts. Automaton has 11645 states and 12893 transitions. Word has length 297 [2022-12-13 14:35:41,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:41,233 INFO L495 AbstractCegarLoop]: Abstraction has 11645 states and 12893 transitions. [2022-12-13 14:35:41,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 14:35:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 11645 states and 12893 transitions. [2022-12-13 14:35:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-12-13 14:35:41,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:41,237 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, 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, 1, 1, 1, 1, 1, 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 14:35:41,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:35:41,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:41,438 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:41,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash 955474353, now seen corresponding path program 1 times [2022-12-13 14:35:41,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:41,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124901221] [2022-12-13 14:35:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:41,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 342 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:41,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:41,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124901221] [2022-12-13 14:35:41,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124901221] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:41,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442485381] [2022-12-13 14:35:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:41,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:41,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:41,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:41,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:35:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:41,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:35:41,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-13 14:35:42,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:35:42,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442485381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:42,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:35:42,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 14:35:42,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350100255] [2022-12-13 14:35:42,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:42,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:35:42,170 INFO L87 Difference]: Start difference. First operand 11645 states and 12893 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 14:35:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:42,744 INFO L93 Difference]: Finished difference Result 24028 states and 26574 transitions. [2022-12-13 14:35:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:42,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 335 [2022-12-13 14:35:42,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:42,758 INFO L225 Difference]: With dead ends: 24028 [2022-12-13 14:35:42,758 INFO L226 Difference]: Without dead ends: 12201 [2022-12-13 14:35:42,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:35:42,766 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:42,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 348 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 14:35:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12201 states. [2022-12-13 14:35:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12201 to 11829. [2022-12-13 14:35:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11829 states, 11828 states have (on average 1.1045823469732838) internal successors, (13065), 11828 states have internal predecessors, (13065), 0 states have call successors, (0), 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 14:35:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11829 states to 11829 states and 13065 transitions. [2022-12-13 14:35:42,904 INFO L78 Accepts]: Start accepts. Automaton has 11829 states and 13065 transitions. Word has length 335 [2022-12-13 14:35:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:42,905 INFO L495 AbstractCegarLoop]: Abstraction has 11829 states and 13065 transitions. [2022-12-13 14:35:42,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 14:35:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 11829 states and 13065 transitions. [2022-12-13 14:35:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-12-13 14:35:42,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:42,909 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, 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, 1, 1, 1, 1, 1, 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 14:35:42,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 14:35:43,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:43,109 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:43,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:43,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2007425143, now seen corresponding path program 1 times [2022-12-13 14:35:43,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:43,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397671218] [2022-12-13 14:35:43,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:43,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 174 proven. 185 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 14:35:43,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:43,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397671218] [2022-12-13 14:35:43,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397671218] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:43,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044017430] [2022-12-13 14:35:43,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:43,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:43,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:43,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:43,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:35:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:43,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:35:43,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 14:35:44,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:35:44,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044017430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:44,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:35:44,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-12-13 14:35:44,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124026988] [2022-12-13 14:35:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:44,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:35:44,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:44,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:35:44,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:35:44,257 INFO L87 Difference]: Start difference. First operand 11829 states and 13065 transitions. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 14:35:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:45,047 INFO L93 Difference]: Finished difference Result 24027 states and 26511 transitions. [2022-12-13 14:35:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:35:45,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 351 [2022-12-13 14:35:45,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:45,055 INFO L225 Difference]: With dead ends: 24027 [2022-12-13 14:35:45,055 INFO L226 Difference]: Without dead ends: 12200 [2022-12-13 14:35:45,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:35:45,059 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 191 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:45,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 161 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:35:45,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12200 states. [2022-12-13 14:35:45,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12200 to 11277. [2022-12-13 14:35:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11277 states, 11276 states have (on average 1.1049130897481376) internal successors, (12459), 11276 states have internal predecessors, (12459), 0 states have call successors, (0), 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 14:35:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11277 states to 11277 states and 12459 transitions. [2022-12-13 14:35:45,156 INFO L78 Accepts]: Start accepts. Automaton has 11277 states and 12459 transitions. Word has length 351 [2022-12-13 14:35:45,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:45,156 INFO L495 AbstractCegarLoop]: Abstraction has 11277 states and 12459 transitions. [2022-12-13 14:35:45,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 14:35:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 11277 states and 12459 transitions. [2022-12-13 14:35:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-12-13 14:35:45,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:45,160 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 14:35:45,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:35:45,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 14:35:45,361 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash -199405277, now seen corresponding path program 1 times [2022-12-13 14:35:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:45,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093971067] [2022-12-13 14:35:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:45,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:45,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093971067] [2022-12-13 14:35:45,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093971067] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:45,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069260453] [2022-12-13 14:35:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:45,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:45,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:45,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:45,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:35:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:45,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:35:45,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:46,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:35:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:47,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069260453] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:35:47,251 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:35:47,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2022-12-13 14:35:47,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410464429] [2022-12-13 14:35:47,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:35:47,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 14:35:47,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:47,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 14:35:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:35:47,254 INFO L87 Difference]: Start difference. First operand 11277 states and 12459 transitions. Second operand has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 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 14:35:49,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:49,841 INFO L93 Difference]: Finished difference Result 37293 states and 41051 transitions. [2022-12-13 14:35:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:35:49,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2022-12-13 14:35:49,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:49,858 INFO L225 Difference]: With dead ends: 37293 [2022-12-13 14:35:49,858 INFO L226 Difference]: Without dead ends: 26018 [2022-12-13 14:35:49,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 718 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:35:49,863 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1045 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 3781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:49,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 134 Invalid, 3781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 14:35:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26018 states. [2022-12-13 14:35:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26018 to 23435. [2022-12-13 14:35:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23435 states, 23434 states have (on average 1.0960570111803363) internal successors, (25685), 23434 states have internal predecessors, (25685), 0 states have call successors, (0), 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 14:35:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23435 states to 23435 states and 25685 transitions. [2022-12-13 14:35:50,110 INFO L78 Accepts]: Start accepts. Automaton has 23435 states and 25685 transitions. Word has length 362 [2022-12-13 14:35:50,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:50,110 INFO L495 AbstractCegarLoop]: Abstraction has 23435 states and 25685 transitions. [2022-12-13 14:35:50,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 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 14:35:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 23435 states and 25685 transitions. [2022-12-13 14:35:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-12-13 14:35:50,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:50,118 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, 3, 3, 3, 3, 3, 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] [2022-12-13 14:35:50,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:35:50,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 14:35:50,320 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash -664639836, now seen corresponding path program 1 times [2022-12-13 14:35:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:50,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36090129] [2022-12-13 14:35:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:50,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:50,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36090129] [2022-12-13 14:35:50,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36090129] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:50,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945630463] [2022-12-13 14:35:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:50,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:50,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:50,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:50,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:35:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:50,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 14:35:50,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 96 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:53,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:35:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:53,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945630463] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:53,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:35:53,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 12 [2022-12-13 14:35:53,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305984695] [2022-12-13 14:35:53,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:53,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:35:53,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:53,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:35:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:35:53,908 INFO L87 Difference]: Start difference. First operand 23435 states and 25685 transitions. Second operand has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 14:35:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:55,192 INFO L93 Difference]: Finished difference Result 49256 states and 54058 transitions. [2022-12-13 14:35:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:35:55,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 373 [2022-12-13 14:35:55,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:55,227 INFO L225 Difference]: With dead ends: 49256 [2022-12-13 14:35:55,227 INFO L226 Difference]: Without dead ends: 26007 [2022-12-13 14:35:55,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:35:55,234 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 616 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:55,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 42 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 14:35:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26007 states. [2022-12-13 14:35:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26007 to 24348. [2022-12-13 14:35:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24348 states, 24347 states have (on average 1.0945496365055243) internal successors, (26649), 24347 states have internal predecessors, (26649), 0 states have call successors, (0), 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 14:35:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24348 states to 24348 states and 26649 transitions. [2022-12-13 14:35:55,454 INFO L78 Accepts]: Start accepts. Automaton has 24348 states and 26649 transitions. Word has length 373 [2022-12-13 14:35:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:55,454 INFO L495 AbstractCegarLoop]: Abstraction has 24348 states and 26649 transitions. [2022-12-13 14:35:55,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 14:35:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24348 states and 26649 transitions. [2022-12-13 14:35:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-12-13 14:35:55,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:55,471 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:35:55,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:35:55,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 14:35:55,673 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2000833214, now seen corresponding path program 1 times [2022-12-13 14:35:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:55,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119915691] [2022-12-13 14:35:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:55,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 702 proven. 284 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-13 14:35:56,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:56,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119915691] [2022-12-13 14:35:56,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119915691] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:56,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391481563] [2022-12-13 14:35:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:56,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:56,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:56,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:35:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:57,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:35:57,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:35:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 862 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-12-13 14:35:57,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:35:57,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391481563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:35:57,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:35:57,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-12-13 14:35:57,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238494113] [2022-12-13 14:35:57,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:35:57,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:35:57,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:35:57,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:35:57,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:35:57,170 INFO L87 Difference]: Start difference. First operand 24348 states and 26649 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 14:35:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:35:57,772 INFO L93 Difference]: Finished difference Result 48696 states and 53281 transitions. [2022-12-13 14:35:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:35:57,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 678 [2022-12-13 14:35:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:35:57,788 INFO L225 Difference]: With dead ends: 48696 [2022-12-13 14:35:57,788 INFO L226 Difference]: Without dead ends: 24534 [2022-12-13 14:35:57,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:35:57,798 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 125 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:35:57,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 128 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 14:35:57,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24534 states. [2022-12-13 14:35:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24534 to 17352. [2022-12-13 14:35:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17352 states, 17351 states have (on average 1.0923866059593108) internal successors, (18954), 17351 states have internal predecessors, (18954), 0 states have call successors, (0), 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 14:35:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17352 states to 17352 states and 18954 transitions. [2022-12-13 14:35:57,989 INFO L78 Accepts]: Start accepts. Automaton has 17352 states and 18954 transitions. Word has length 678 [2022-12-13 14:35:57,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:35:57,990 INFO L495 AbstractCegarLoop]: Abstraction has 17352 states and 18954 transitions. [2022-12-13 14:35:57,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 14:35:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 17352 states and 18954 transitions. [2022-12-13 14:35:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-12-13 14:35:58,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:35:58,004 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:35:58,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:35:58,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 14:35:58,206 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:35:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:35:58,208 INFO L85 PathProgramCache]: Analyzing trace with hash -203478354, now seen corresponding path program 1 times [2022-12-13 14:35:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:35:58,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643036860] [2022-12-13 14:35:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:35:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 186 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:35:59,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:35:59,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643036860] [2022-12-13 14:35:59,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643036860] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:35:59,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815749727] [2022-12-13 14:35:59,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:35:59,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:35:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:35:59,484 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:35:59,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:35:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:35:59,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 14:35:59,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:36:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:36:00,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:36:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 771 proven. 233 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 14:36:02,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815749727] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:36:02,777 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:36:02,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 17 [2022-12-13 14:36:02,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991594189] [2022-12-13 14:36:02,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:36:02,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 14:36:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:36:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 14:36:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:36:02,780 INFO L87 Difference]: Start difference. First operand 17352 states and 18954 transitions. Second operand has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 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 14:36:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:36:08,335 INFO L93 Difference]: Finished difference Result 65493 states and 71536 transitions. [2022-12-13 14:36:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 14:36:08,335 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 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 705 [2022-12-13 14:36:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:36:08,366 INFO L225 Difference]: With dead ends: 65493 [2022-12-13 14:36:08,366 INFO L226 Difference]: Without dead ends: 47775 [2022-12-13 14:36:08,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1409 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2022-12-13 14:36:08,376 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 2384 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 7580 mSolverCounterSat, 1344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 8924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1344 IncrementalHoareTripleChecker+Valid, 7580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:36:08,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2384 Valid, 250 Invalid, 8924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1344 Valid, 7580 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 14:36:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47775 states. [2022-12-13 14:36:08,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47775 to 41874. [2022-12-13 14:36:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41874 states, 41873 states have (on average 1.0924462063859766) internal successors, (45744), 41873 states have internal predecessors, (45744), 0 states have call successors, (0), 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 14:36:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41874 states to 41874 states and 45744 transitions. [2022-12-13 14:36:08,843 INFO L78 Accepts]: Start accepts. Automaton has 41874 states and 45744 transitions. Word has length 705 [2022-12-13 14:36:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:36:08,843 INFO L495 AbstractCegarLoop]: Abstraction has 41874 states and 45744 transitions. [2022-12-13 14:36:08,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 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 14:36:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41874 states and 45744 transitions. [2022-12-13 14:36:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2022-12-13 14:36:08,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:36:08,872 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:36:08,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 14:36:09,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:36:09,074 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:36:09,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:36:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -876153893, now seen corresponding path program 1 times [2022-12-13 14:36:09,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:36:09,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445643881] [2022-12-13 14:36:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:36:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:36:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:36:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 1225 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2022-12-13 14:36:09,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:36:09,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445643881] [2022-12-13 14:36:09,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445643881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:36:09,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:36:09,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:36:09,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971662736] [2022-12-13 14:36:09,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:36:09,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:36:09,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:36:09,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:36:09,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:36:09,596 INFO L87 Difference]: Start difference. First operand 41874 states and 45744 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 14:36:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:36:10,492 INFO L93 Difference]: Finished difference Result 80619 states and 87998 transitions. [2022-12-13 14:36:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:36:10,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 812 [2022-12-13 14:36:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:36:10,493 INFO L225 Difference]: With dead ends: 80619 [2022-12-13 14:36:10,493 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:36:10,512 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 14:36:10,513 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 41 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:36:10,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 329 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:36:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:36:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:36:10,513 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 14:36:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:36:10,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 812 [2022-12-13 14:36:10,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:36:10,514 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:36:10,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 14:36:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:36:10,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:36:10,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:36:10,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 14:36:10,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:36:21,302 WARN L233 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 682 DAG size of output: 592 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:36:31,544 WARN L233 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 683 DAG size of output: 593 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:36:36,762 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 592 DAG size of output: 152 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 14:36:42,132 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 593 DAG size of output: 152 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,136 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-12-13 14:36:42,137 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,138 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,139 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse39 (+ ~a23~0 43))) (let ((.cse29 (<= .cse39 0)) (.cse36 (* (- 2) ~a23~0))) (let ((.cse35 (div .cse36 50)) (.cse38 (div ~a23~0 5)) (.cse31 (= ~a25~0 12)) (.cse12 (< 0 (+ ~a23~0 909626))) (.cse30 (<= ~a25~0 9)) (.cse10 (not (<= ~a29~0 245))) (.cse23 (<= ~a25~0 10)) (.cse2 (= ~a3~0 1)) (.cse7 (not .cse29)) (.cse3 (= ~a4~0 1)) (.cse4 (= ~a8~0 15)) (.cse37 (+ ~a23~0 599772))) (let ((.cse1 (= ~a25~0 9)) (.cse13 (<= 214883 ~a29~0)) (.cse0 (<= ~a29~0 140)) (.cse32 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) (<= 141 ~a29~0))) (.cse27 (<= .cse37 0)) (.cse14 (< 245 ~a29~0)) (.cse5 (= ~a25~0 11)) (.cse34 (<= 312 ~a23~0)) (.cse8 (<= ~a23~0 312)) (.cse17 (<= ~a23~0 137)) (.cse28 (or (and .cse10 .cse12 .cse23 .cse2 .cse3 .cse30 .cse4) (and .cse10 .cse23 .cse2 .cse7 .cse3 .cse4))) (.cse24 (<= 181945 ~a23~0)) (.cse19 (or (= ~a25~0 13) .cse31)) (.cse26 (< 0 .cse39)) (.cse9 (<= ~a29~0 275)) (.cse16 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse38 301942)))) (.cse18 (< 0 (+ .cse38 301943))) (.cse11 (<= 0 .cse37)) (.cse20 (not (< 140 ~a29~0))) (.cse21 (or (< 0 (+ .cse35 1130118)) (not (= (* 2 (mod (* ~a23~0 4) 5)) 0)) (not (= (mod (div .cse36 10) 5) 0)))) (.cse15 (= ~a4~0 0)) (.cse22 (< 0 (+ .cse35 1130119))) (.cse25 (<= ~a29~0 220)) (.cse6 (< (* 2 (div ~a29~0 5)) 276055)) (.cse33 (<= ~a23~0 181945))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse9 .cse10 .cse11 .cse5 .cse2 .cse3 .cse8 .cse4) (and .cse12 .cse5 .cse2 .cse6 .cse3 .cse13 .cse8 .cse4) (and .cse14 .cse15 .cse16 .cse1 .cse2 .cse4 .cse17 .cse18) (and .cse9 .cse2 .cse3 .cse4 .cse17 .cse19) (and .cse20 .cse21 .cse22 .cse23 .cse2 .cse3 .cse4) (and .cse21 .cse24 .cse5 .cse22 .cse2 .cse25 .cse3 .cse4) (and .cse15 .cse26 .cse2 .cse4 .cse17 .cse19) (and .cse27 .cse28) (and .cse29 .cse2 .cse3 .cse13 .cse4 (= ~a25~0 10)) (and .cse21 .cse14 .cse24 .cse5 .cse22 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse15 .cse5 .cse2 .cse4 .cse17) (and .cse21 .cse24 .cse22 .cse23 .cse2 .cse6 .cse3 .cse4) (and .cse9 .cse10 .cse21 .cse15 .cse22 .cse16 .cse2 .cse4 .cse18 .cse19) (and .cse10 .cse12 .cse23 .cse2 .cse6 .cse3 .cse8 .cse30 .cse4) (and .cse10 .cse11 .cse15 .cse5 .cse2 .cse8 .cse4) (and .cse29 .cse31 .cse11 .cse15 .cse32 .cse2 .cse4) (and .cse2 .cse6 .cse7 .cse3 .cse8 .cse4 .cse19) (and .cse9 .cse31 .cse12 .cse15 .cse32 .cse2 .cse27 .cse4) (and .cse2 .cse6 .cse33 .cse3 .cse34 .cse4 .cse19) (and .cse14 .cse5 .cse2 .cse6 .cse33 .cse3 .cse34 .cse4) (and .cse20 .cse12 .cse15 .cse23 .cse2 .cse25 .cse8 .cse4) (and .cse26 .cse17 .cse28) (and .cse21 .cse24 .cse22 .cse2 .cse6 .cse3 .cse4 .cse19) (and .cse9 .cse31 .cse21 .cse15 .cse22 .cse26 .cse2 .cse4) (and .cse9 .cse10 .cse16 .cse2 .cse33 .cse3 .cse30 .cse4 .cse18) (and .cse11 .cse20 .cse21 .cse15 .cse22 .cse23 .cse2 .cse25 .cse4) (and .cse23 .cse2 .cse6 .cse7 .cse33 .cse3 .cse4)))))) [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,140 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,141 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,142 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-12-13 14:36:42,143 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-12-13 14:36:42,144 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,145 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,146 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,147 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,148 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,149 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-12-13 14:36:42,150 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 32 1036) the Hoare annotation is: (let ((.cse39 (+ ~a23~0 43))) (let ((.cse29 (<= .cse39 0)) (.cse36 (* (- 2) ~a23~0))) (let ((.cse35 (div .cse36 50)) (.cse38 (div ~a23~0 5)) (.cse31 (= ~a25~0 12)) (.cse12 (< 0 (+ ~a23~0 909626))) (.cse30 (<= ~a25~0 9)) (.cse10 (not (<= ~a29~0 245))) (.cse23 (<= ~a25~0 10)) (.cse2 (= ~a3~0 1)) (.cse7 (not .cse29)) (.cse3 (= ~a4~0 1)) (.cse4 (= ~a8~0 15)) (.cse37 (+ ~a23~0 599772))) (let ((.cse1 (= ~a25~0 9)) (.cse13 (<= 214883 ~a29~0)) (.cse0 (<= ~a29~0 140)) (.cse32 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) (<= 141 ~a29~0))) (.cse27 (<= .cse37 0)) (.cse14 (< 245 ~a29~0)) (.cse5 (= ~a25~0 11)) (.cse34 (<= 312 ~a23~0)) (.cse8 (<= ~a23~0 312)) (.cse17 (<= ~a23~0 137)) (.cse28 (or (and .cse10 .cse12 .cse23 .cse2 .cse3 .cse30 .cse4) (and .cse10 .cse23 .cse2 .cse7 .cse3 .cse4))) (.cse24 (<= 181945 ~a23~0)) (.cse19 (or (= ~a25~0 13) .cse31)) (.cse26 (< 0 .cse39)) (.cse9 (<= ~a29~0 275)) (.cse16 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse38 301942)))) (.cse18 (< 0 (+ .cse38 301943))) (.cse11 (<= 0 .cse37)) (.cse20 (not (< 140 ~a29~0))) (.cse21 (or (< 0 (+ .cse35 1130118)) (not (= (* 2 (mod (* ~a23~0 4) 5)) 0)) (not (= (mod (div .cse36 10) 5) 0)))) (.cse15 (= ~a4~0 0)) (.cse22 (< 0 (+ .cse35 1130119))) (.cse25 (<= ~a29~0 220)) (.cse6 (< (* 2 (div ~a29~0 5)) 276055)) (.cse33 (<= ~a23~0 181945))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse9 .cse10 .cse11 .cse5 .cse2 .cse3 .cse8 .cse4) (and .cse12 .cse5 .cse2 .cse6 .cse3 .cse13 .cse8 .cse4) (and .cse14 .cse15 .cse16 .cse1 .cse2 .cse4 .cse17 .cse18) (and .cse9 .cse2 .cse3 .cse4 .cse17 .cse19) (and .cse20 .cse21 .cse22 .cse23 .cse2 .cse3 .cse4) (and .cse21 .cse24 .cse5 .cse22 .cse2 .cse25 .cse3 .cse4) (and .cse15 .cse26 .cse2 .cse4 .cse17 .cse19) (and .cse27 .cse28) (and .cse29 .cse2 .cse3 .cse13 .cse4 (= ~a25~0 10)) (and .cse21 .cse14 .cse24 .cse5 .cse22 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse15 .cse5 .cse2 .cse4 .cse17) (and .cse21 .cse24 .cse22 .cse23 .cse2 .cse6 .cse3 .cse4) (and .cse9 .cse10 .cse21 .cse15 .cse22 .cse16 .cse2 .cse4 .cse18 .cse19) (and .cse10 .cse12 .cse23 .cse2 .cse6 .cse3 .cse8 .cse30 .cse4) (and .cse10 .cse11 .cse15 .cse5 .cse2 .cse8 .cse4) (and .cse29 .cse31 .cse11 .cse15 .cse32 .cse2 .cse4) (and .cse2 .cse6 .cse7 .cse3 .cse8 .cse4 .cse19) (and .cse9 .cse31 .cse12 .cse15 .cse32 .cse2 .cse27 .cse4) (and .cse2 .cse6 .cse33 .cse3 .cse34 .cse4 .cse19) (and .cse14 .cse5 .cse2 .cse6 .cse33 .cse3 .cse34 .cse4) (and .cse20 .cse12 .cse15 .cse23 .cse2 .cse25 .cse8 .cse4) (and .cse26 .cse17 .cse28) (and .cse21 .cse24 .cse22 .cse2 .cse6 .cse3 .cse4 .cse19) (and .cse9 .cse31 .cse21 .cse15 .cse22 .cse26 .cse2 .cse4) (and .cse9 .cse10 .cse16 .cse2 .cse33 .cse3 .cse30 .cse4 .cse18) (and .cse11 .cse20 .cse21 .cse15 .cse22 .cse23 .cse2 .cse25 .cse4) (and .cse23 .cse2 .cse6 .cse7 .cse33 .cse3 .cse4)))))) [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-12-13 14:36:42,151 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-12-13 14:36:42,154 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] [2022-12-13 14:36:42,155 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:36:42,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:36:42 BoogieIcfgContainer [2022-12-13 14:36:42,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:36:42,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:36:42,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:36:42,178 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:36:42,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:35:22" (3/4) ... [2022-12-13 14:36:42,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:36:42,193 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 14:36:42,194 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 14:36:42,195 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:36:42,195 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:36:42,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:36:42,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:36:42,317 INFO L158 Benchmark]: Toolchain (without parser) took 82010.55ms. Allocated memory was 180.4MB in the beginning and 851.4MB in the end (delta: 671.1MB). Free memory was 120.0MB in the beginning and 262.5MB in the end (delta: -142.4MB). Peak memory consumption was 529.5MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,317 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:36:42,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.21ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 120.3MB in the end (delta: -570.6kB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.60ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 103.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,317 INFO L158 Benchmark]: Boogie Preprocessor took 66.67ms. Allocated memory is still 180.4MB. Free memory was 103.6MB in the beginning and 94.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,317 INFO L158 Benchmark]: RCFGBuilder took 1306.29ms. Allocated memory is still 180.4MB. Free memory was 94.0MB in the beginning and 97.4MB in the end (delta: -3.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,318 INFO L158 Benchmark]: TraceAbstraction took 79935.72ms. Allocated memory was 180.4MB in the beginning and 851.4MB in the end (delta: 671.1MB). Free memory was 97.4MB in the beginning and 278.2MB in the end (delta: -180.8MB). Peak memory consumption was 685.4MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,318 INFO L158 Benchmark]: Witness Printer took 138.63ms. Allocated memory is still 851.4MB. Free memory was 278.2MB in the beginning and 262.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:36:42,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.21ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 120.3MB in the end (delta: -570.6kB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.60ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 103.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.67ms. Allocated memory is still 180.4MB. Free memory was 103.6MB in the beginning and 94.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1306.29ms. Allocated memory is still 180.4MB. Free memory was 94.0MB in the beginning and 97.4MB in the end (delta: -3.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * TraceAbstraction took 79935.72ms. Allocated memory was 180.4MB in the beginning and 851.4MB in the end (delta: 671.1MB). Free memory was 97.4MB in the beginning and 278.2MB in the end (delta: -180.8MB). Peak memory consumption was 685.4MB. Max. memory is 16.1GB. * Witness Printer took 138.63ms. Allocated memory is still 851.4MB. Free memory was 278.2MB in the beginning and 262.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. 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: 208]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.9s, OverallIterations: 19, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8097 SdHoareTripleChecker+Valid, 21.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8097 mSDsluCounter, 4031 SdHoareTripleChecker+Invalid, 18.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 802 mSDsCounter, 4359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24987 IncrementalHoareTripleChecker+Invalid, 29346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4359 mSolverCounterUnsat, 3229 mSDtfsCounter, 24987 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5185 GetRequests, 5092 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41874occurred in iteration=18, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 22641 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 501 NumberOfFragments, 2369 HoareAnnotationTreeSize, 3 FomulaSimplifications, 27460 FormulaSimplificationTreeSizeReduction, 21.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 94850 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 9634 NumberOfCodeBlocks, 9634 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 11321 ConstructedInterpolants, 152 QuantifiedInterpolants, 62449 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4561 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 31 InterpolantComputations, 16 PerfectInterpolantSequences, 10066/13986 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: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) || ((((((a25 == 11 && a3 == 1) && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 275 && !(a29 <= 245)) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < a23 + 909626 && a25 == 11) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && 214883 <= a29) && a23 <= 312) && a8 == 15)) || (((((((245 < a29 && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a25 == 9) && a3 == 1) && a8 == 15) && a23 <= 137) && 0 < a23 / 5 + 301943)) || (((((a29 <= 275 && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137) && (a25 == 13 || a25 == 12))) || ((((((!(140 < a29) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && a25 == 11) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)) || (((((a4 == 0 && 0 < a23 + 43) && a3 == 1) && a8 == 15) && a23 <= 137) && (a25 == 13 || a25 == 12))) || (a23 + 599772 <= 0 && (((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || (((((!(a29 <= 245) && a25 <= 10) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a8 == 15)))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 245 < a29) && 181945 <= a23) && a25 == 11) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15)) || ((((((a29 <= 140 && 0 < a23 + 909626) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && a23 <= 137)) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15)) || (((((((((a29 <= 275 && !(a29 <= 245)) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a8 == 15) && 0 < a23 / 5 + 301943) && (a25 == 13 || a25 == 12))) || ((((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || ((((((!(a29 <= 245) && 0 <= a23 + 599772) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 == 12) && 0 <= a23 + 599772) && a4 == 0) && (!(input == 1) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((a3 == 1 && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 275 && a25 == 12) && 0 < a23 + 909626) && a4 == 0) && (!(input == 1) || 141 <= a29)) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || ((((((a3 == 1 && 2 * (a29 / 5) < 276055) && a23 <= 181945) && a4 == 1) && 312 <= a23) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((245 < a29 && a25 == 11) && a3 == 1) && 2 * (a29 / 5) < 276055) && a23 <= 181945) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((!(140 < a29) && 0 < a23 + 909626) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((0 < a23 + 43 && a23 <= 137) && (((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || (((((!(a29 <= 245) && a25 <= 10) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a8 == 15)))) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 275 && a25 == 12) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && 0 < a23 + 43) && a3 == 1) && a8 == 15)) || ((((((((a29 <= 275 && !(a29 <= 245)) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a23 <= 181945) && a4 == 1) && a25 <= 9) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((((0 <= a23 + 599772 && !(140 < a29)) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && a29 <= 220) && a8 == 15)) || ((((((a25 <= 10 && a3 == 1) && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a23 <= 181945) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) || ((((((a25 == 11 && a3 == 1) && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 275 && !(a29 <= 245)) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < a23 + 909626 && a25 == 11) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && 214883 <= a29) && a23 <= 312) && a8 == 15)) || (((((((245 < a29 && a4 == 0) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a25 == 9) && a3 == 1) && a8 == 15) && a23 <= 137) && 0 < a23 / 5 + 301943)) || (((((a29 <= 275 && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137) && (a25 == 13 || a25 == 12))) || ((((((!(140 < a29) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && a25 == 11) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)) || (((((a4 == 0 && 0 < a23 + 43) && a3 == 1) && a8 == 15) && a23 <= 137) && (a25 == 13 || a25 == 12))) || (a23 + 599772 <= 0 && (((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || (((((!(a29 <= 245) && a25 <= 10) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a8 == 15)))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 245 < a29) && 181945 <= a23) && a25 == 11) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15)) || ((((((a29 <= 140 && 0 < a23 + 909626) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && a23 <= 137)) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15)) || (((((((((a29 <= 275 && !(a29 <= 245)) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a8 == 15) && 0 < a23 / 5 + 301943) && (a25 == 13 || a25 == 12))) || ((((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || ((((((!(a29 <= 245) && 0 <= a23 + 599772) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 == 12) && 0 <= a23 + 599772) && a4 == 0) && (!(input == 1) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((a3 == 1 && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 275 && a25 == 12) && 0 < a23 + 909626) && a4 == 0) && (!(input == 1) || 141 <= a29)) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || ((((((a3 == 1 && 2 * (a29 / 5) < 276055) && a23 <= 181945) && a4 == 1) && 312 <= a23) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((245 < a29 && a25 == 11) && a3 == 1) && 2 * (a29 / 5) < 276055) && a23 <= 181945) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((!(140 < a29) && 0 < a23 + 909626) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((0 < a23 + 43 && a23 <= 137) && (((((((!(a29 <= 245) && 0 < a23 + 909626) && a25 <= 10) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || (((((!(a29 <= 245) && a25 <= 10) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a8 == 15)))) || (((((((((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0)) && 181945 <= a23) && 0 < -2 * a23 / 50 + 1130119) && a3 == 1) && 2 * (a29 / 5) < 276055) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 275 && a25 == 12) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && 0 < a23 + 43) && a3 == 1) && a8 == 15)) || ((((((((a29 <= 275 && !(a29 <= 245)) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 301942)) && a3 == 1) && a23 <= 181945) && a4 == 1) && a25 <= 9) && a8 == 15) && 0 < a23 / 5 + 301943)) || ((((((((0 <= a23 + 599772 && !(140 < a29)) && ((0 < -2 * a23 / 50 + 1130118 || !(2 * (a23 * 4 % 5) == 0)) || !(-2 * a23 / 10 % 5 == 0))) && a4 == 0) && 0 < -2 * a23 / 50 + 1130119) && a25 <= 10) && a3 == 1) && a29 <= 220) && a8 == 15)) || ((((((a25 <= 10 && a3 == 1) && 2 * (a29 / 5) < 276055) && !(a23 + 43 <= 0)) && a23 <= 181945) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:36:42,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cc360f-7f26-4fd5-86ec-350f52a72f93/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