./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa62fcbbbc09c44c5be6da25062e9c2682423640 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa62fcbbbc09c44c5be6da25062e9c2682423640 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:21:34,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:21:34,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:21:34,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:21:34,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:21:34,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:21:34,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:21:34,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:21:34,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:21:34,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:21:34,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:21:34,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:21:34,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:21:34,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:21:34,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:21:34,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:21:34,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:21:34,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:21:34,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:21:34,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:21:34,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:21:34,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:21:34,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:21:34,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:21:34,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:21:34,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:21:34,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:21:34,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:21:34,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:21:34,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:21:34,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:21:34,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:21:34,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:21:34,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:21:34,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:21:34,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:21:34,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:21:34,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:21:34,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:21:34,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:21:34,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:21:34,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:21:34,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:21:34,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:21:34,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:21:34,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:21:34,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:21:34,954 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:21:34,955 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:21:34,955 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:21:34,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:21:34,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:21:34,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:21:34,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:21:34,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:21:34,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:21:34,964 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:21:34,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:21:34,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:21:34,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:21:34,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:21:34,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:21:34,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:21:34,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:21:34,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:21:34,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:21:34,966 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:21:34,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:21:34,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:21:34,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:21:34,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:21:34,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:21:34,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:21:34,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:21:34,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:21:34,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:21:34,970 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:21:34,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:21:34,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:21:34,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:21:34,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:21:34,971 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa62fcbbbc09c44c5be6da25062e9c2682423640 [2021-10-16 03:21:35,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:21:35,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:21:35,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:21:35,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:21:35,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:21:35,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-16 03:21:35,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/4c5155a08/5ec9151900af41e8be4c12dc417c1afc/FLAG62782f281 [2021-10-16 03:21:36,047 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:21:36,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-16 03:21:36,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/4c5155a08/5ec9151900af41e8be4c12dc417c1afc/FLAG62782f281 [2021-10-16 03:21:36,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/4c5155a08/5ec9151900af41e8be4c12dc417c1afc [2021-10-16 03:21:36,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:21:36,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:21:36,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:36,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:21:36,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:21:36,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:36" (1/1) ... [2021-10-16 03:21:36,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a67efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:36, skipping insertion in model container [2021-10-16 03:21:36,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:36" (1/1) ... [2021-10-16 03:21:36,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:21:36,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:21:36,749 WARN L228 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-16 03:21:36,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:21:36,961 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:21:37,004 WARN L228 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-16 03:21:37,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:21:37,160 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:21:37,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37 WrapperNode [2021-10-16 03:21:37,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:37,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:21:37,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:21:37,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:21:37,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:21:37,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:21:37,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:21:37,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:21:37,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:21:37,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:21:37,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:21:37,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:21:37,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (1/1) ... [2021-10-16 03:21:37,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:21:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:21:37,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:21:37,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:21:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:21:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:21:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:21:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:21:47,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:21:47,154 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:21:47,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:21:47 BoogieIcfgContainer [2021-10-16 03:21:47,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:21:47,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:21:47,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:21:47,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:21:47,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:21:36" (1/3) ... [2021-10-16 03:21:47,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be313e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:21:47, skipping insertion in model container [2021-10-16 03:21:47,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:37" (2/3) ... [2021-10-16 03:21:47,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be313e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:21:47, skipping insertion in model container [2021-10-16 03:21:47,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:21:47" (3/3) ... [2021-10-16 03:21:47,180 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2021-10-16 03:21:47,194 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:21:47,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:21:47,282 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:21:47,295 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:21:47,296 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:21:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:21:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 03:21:47,323 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:21:47,323 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 03:21:47,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:21:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:21:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash 885187946, now seen corresponding path program 1 times [2021-10-16 03:21:47,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:21:47,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129392583] [2021-10-16 03:21:47,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:21:47,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:21:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:21:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:21:47,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:21:47,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129392583] [2021-10-16 03:21:47,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129392583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:21:47,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:21:47,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:21:47,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697360863] [2021-10-16 03:21:47,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:21:47,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:21:47,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:21:47,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:21:47,711 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 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 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:21:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:21:47,787 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 03:21:47,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:21:47,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-10-16 03:21:47,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:21:47,800 INFO L225 Difference]: With dead ends: 23 [2021-10-16 03:21:47,800 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 03:21:47,805 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:21:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 03:21:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 03:21:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:21:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 03:21:47,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 03:21:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:21:47,845 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 03:21:47,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:21:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 03:21:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:21:47,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:21:47,846 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 03:21:47,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:21:47,848 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:21:47,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:21:47,852 INFO L82 PathProgramCache]: Analyzing trace with hash -687664343, now seen corresponding path program 1 times [2021-10-16 03:21:47,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:21:47,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185251195] [2021-10-16 03:21:47,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:21:47,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:21:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:21:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:21:48,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:21:48,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185251195] [2021-10-16 03:21:48,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185251195] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:21:48,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176862445] [2021-10-16 03:21:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:21:48,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:21:48,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:21:48,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:21:48,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 03:21:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:21:48,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-16 03:21:48,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:22:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:05,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:22:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:33,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176862445] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:22:33,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1361789718] [2021-10-16 03:22:33,079 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 03:22:33,079 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 03:22:33,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 03:22:33,091 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 03:22:33,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 03:22:33,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:22:33,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 03:22:33,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:22:33,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 03:22:33,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 03:22:33,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:22:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:22:33,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:22:33,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 03:22:33,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:22:33,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:22:33,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 03:22:33,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:22:33,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:22:33,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 03:22:33,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 03:22:33,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:152 [2021-10-16 03:22:33,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:22:33,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:22:33,477 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_10| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 03:22:33,481 INFO L168 Benchmark]: Toolchain (without parser) took 57083.49 ms. Allocated memory was 98.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 55.7 MB in the beginning and 860.9 MB in the end (delta: -805.2 MB). Peak memory consumption was 358.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,482 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:22:33,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.63 ms. Allocated memory is still 98.6 MB. Free memory was 55.5 MB in the beginning and 57.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.38 ms. Allocated memory is still 98.6 MB. Free memory was 57.5 MB in the beginning and 49.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,484 INFO L168 Benchmark]: Boogie Preprocessor took 115.66 ms. Allocated memory is still 98.6 MB. Free memory was 49.4 MB in the beginning and 44.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,485 INFO L168 Benchmark]: RCFGBuilder took 9747.79 ms. Allocated memory was 98.6 MB in the beginning and 285.2 MB in the end (delta: 186.6 MB). Free memory was 44.6 MB in the beginning and 130.6 MB in the end (delta: -86.0 MB). Peak memory consumption was 172.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,486 INFO L168 Benchmark]: TraceAbstraction took 46321.78 ms. Allocated memory was 285.2 MB in the beginning and 1.3 GB in the end (delta: 977.3 MB). Free memory was 129.6 MB in the beginning and 860.9 MB in the end (delta: -731.3 MB). Peak memory consumption was 246.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:22:33,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 759.63 ms. Allocated memory is still 98.6 MB. Free memory was 55.5 MB in the beginning and 57.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.38 ms. Allocated memory is still 98.6 MB. Free memory was 57.5 MB in the beginning and 49.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.66 ms. Allocated memory is still 98.6 MB. Free memory was 49.4 MB in the beginning and 44.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9747.79 ms. Allocated memory was 98.6 MB in the beginning and 285.2 MB in the end (delta: 186.6 MB). Free memory was 44.6 MB in the beginning and 130.6 MB in the end (delta: -86.0 MB). Peak memory consumption was 172.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 46321.78 ms. Allocated memory was 285.2 MB in the beginning and 1.3 GB in the end (delta: 977.3 MB). Free memory was 129.6 MB in the beginning and 860.9 MB in the end (delta: -731.3 MB). Peak memory consumption was 246.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:22:33,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:22:36,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:22:36,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:22:36,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:22:36,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:22:36,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:22:36,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:22:36,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:22:36,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:22:36,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:22:36,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:22:36,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:22:36,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:22:36,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:22:36,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:22:36,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:22:36,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:22:36,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:22:36,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:22:36,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:22:36,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:22:36,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:22:36,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:22:36,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:22:36,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:22:36,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:22:36,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:22:36,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:22:36,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:22:36,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:22:36,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:22:36,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:22:36,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:22:36,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:22:36,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:22:36,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:22:36,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:22:36,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:22:36,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:22:36,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:22:36,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:22:36,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:22:36,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:22:36,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:22:36,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:22:36,789 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:22:36,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:22:36,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:22:36,789 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:22:36,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:22:36,790 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:22:36,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:22:36,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:22:36,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:22:36,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:22:36,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:22:36,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:22:36,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:22:36,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:22:36,795 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:22:36,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:22:36,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:22:36,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:22:36,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:22:36,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:22:36,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:22:36,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:22:36,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:22:36,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:22:36,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:22:36,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:22:36,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:22:36,799 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:22:36,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:22:36,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:22:36,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:22:36,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:22:36,801 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa62fcbbbc09c44c5be6da25062e9c2682423640 [2021-10-16 03:22:37,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:22:37,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:22:37,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:22:37,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:22:37,340 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:22:37,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-16 03:22:37,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/9e286a688/509c71a25964441ba5e214494a4c73ad/FLAGf46183adb [2021-10-16 03:22:38,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:22:38,145 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-16 03:22:38,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/9e286a688/509c71a25964441ba5e214494a4c73ad/FLAGf46183adb [2021-10-16 03:22:38,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/data/9e286a688/509c71a25964441ba5e214494a4c73ad [2021-10-16 03:22:38,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:22:38,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:22:38,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:22:38,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:22:38,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:22:38,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:38" (1/1) ... [2021-10-16 03:22:38,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28c712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:38, skipping insertion in model container [2021-10-16 03:22:38,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:38" (1/1) ... [2021-10-16 03:22:38,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:22:38,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:22:38,839 WARN L228 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-16 03:22:39,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:22:39,082 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:22:39,157 WARN L228 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_612885e3-378c-4da1-b5fc-66a99d7d0b89/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-16 03:22:39,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:22:39,262 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:22:39,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39 WrapperNode [2021-10-16 03:22:39,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:22:39,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:22:39,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:22:39,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:22:39,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:22:39,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:22:39,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:22:39,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:22:39,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:22:39,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:22:39,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:22:39,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:22:39,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (1/1) ... [2021-10-16 03:22:39,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:22:39,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:22:39,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:22:39,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:22:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:22:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:22:43,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:22:43,532 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:22:43,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:43 BoogieIcfgContainer [2021-10-16 03:22:43,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:22:43,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:22:43,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:22:43,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:22:43,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:22:38" (1/3) ... [2021-10-16 03:22:43,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cdccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:43, skipping insertion in model container [2021-10-16 03:22:43,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:39" (2/3) ... [2021-10-16 03:22:43,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cdccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:43, skipping insertion in model container [2021-10-16 03:22:43,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:43" (3/3) ... [2021-10-16 03:22:43,546 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2021-10-16 03:22:43,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:22:43,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:22:43,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:22:43,622 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:22:43,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:22:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:22:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 03:22:43,660 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:22:43,661 INFO L512 BasicCegarLoop]: 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] [2021-10-16 03:22:43,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:22:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:22:43,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2021-10-16 03:22:43,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:22:43,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222177808] [2021-10-16 03:22:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:22:43,691 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:22:43,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:22:43,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:22:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:22:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:22:43,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:22:43,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:22:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:44,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:22:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:44,685 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:22:44,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222177808] [2021-10-16 03:22:44,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222177808] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:22:44,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:22:44,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:22:44,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065553669] [2021-10-16 03:22:44,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:22:44,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:22:44,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:22:44,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:22:44,715 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:22:50,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:22:50,441 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2021-10-16 03:22:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:22:50,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 61 [2021-10-16 03:22:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:22:50,464 INFO L225 Difference]: With dead ends: 694 [2021-10-16 03:22:50,464 INFO L226 Difference]: Without dead ends: 421 [2021-10-16 03:22:50,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:22:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-16 03:22:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-16 03:22:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3952380952380952) internal successors, (586), 420 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:22:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 586 transitions. [2021-10-16 03:22:50,559 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 586 transitions. Word has length 61 [2021-10-16 03:22:50,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:22:50,560 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 586 transitions. [2021-10-16 03:22:50,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:22:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 586 transitions. [2021-10-16 03:22:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 03:22:50,570 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:22:50,571 INFO L512 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:22:50,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:22:50,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:22:50,777 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:22:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:22:50,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1197684053, now seen corresponding path program 1 times [2021-10-16 03:22:50,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:22:50,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847667493] [2021-10-16 03:22:50,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:22:50,782 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:22:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:22:50,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:22:50,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:22:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:22:50,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:22:50,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:22:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:52,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:22:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:22:54,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:22:54,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847667493] [2021-10-16 03:22:54,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847667493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:22:54,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:22:54,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:22:54,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460382812] [2021-10-16 03:22:54,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:22:54,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:22:54,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:22:54,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:22:54,403 INFO L87 Difference]: Start difference. First operand 421 states and 586 transitions. Second operand has 4 states, 4 states have (on average 52.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:04,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:23:04,518 INFO L93 Difference]: Finished difference Result 1257 states and 1697 transitions. [2021-10-16 03:23:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:23:04,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 134 [2021-10-16 03:23:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:23:04,527 INFO L225 Difference]: With dead ends: 1257 [2021-10-16 03:23:04,528 INFO L226 Difference]: Without dead ends: 838 [2021-10-16 03:23:04,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:23:04,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-16 03:23:04,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-16 03:23:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 837 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2021-10-16 03:23:04,624 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 134 [2021-10-16 03:23:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:23:04,629 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2021-10-16 03:23:04,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2021-10-16 03:23:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-10-16 03:23:04,668 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:23:04,670 INFO L512 BasicCegarLoop]: 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, 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] [2021-10-16 03:23:04,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:23:04,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:23:04,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:23:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:23:04,882 INFO L82 PathProgramCache]: Analyzing trace with hash 349165321, now seen corresponding path program 1 times [2021-10-16 03:23:04,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:23:04,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537211668] [2021-10-16 03:23:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:04,886 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:23:04,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:23:04,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:23:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:23:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:05,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:23:05,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:23:06,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:23:07,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:23:07,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537211668] [2021-10-16 03:23:07,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537211668] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:23:07,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:23:07,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:23:07,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323178782] [2021-10-16 03:23:07,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:23:07,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:23:07,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:23:07,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:23:07,646 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:23:12,303 INFO L93 Difference]: Finished difference Result 1813 states and 2433 transitions. [2021-10-16 03:23:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:23:12,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2021-10-16 03:23:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:23:12,313 INFO L225 Difference]: With dead ends: 1813 [2021-10-16 03:23:12,314 INFO L226 Difference]: Without dead ends: 1116 [2021-10-16 03:23:12,316 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:23:12,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-16 03:23:12,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-16 03:23:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2654708520179372) internal successors, (1411), 1115 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1411 transitions. [2021-10-16 03:23:12,359 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1411 transitions. Word has length 229 [2021-10-16 03:23:12,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:23:12,360 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1411 transitions. [2021-10-16 03:23:12,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1411 transitions. [2021-10-16 03:23:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-10-16 03:23:12,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:23:12,369 INFO L512 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:23:12,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:23:12,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:23:12,586 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:23:12,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:23:12,587 INFO L82 PathProgramCache]: Analyzing trace with hash 410908357, now seen corresponding path program 1 times [2021-10-16 03:23:12,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:23:12,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182125261] [2021-10-16 03:23:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:12,594 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:23:12,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:23:12,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:23:12,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:23:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:13,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:23:13,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:14,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:15,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:23:15,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182125261] [2021-10-16 03:23:15,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182125261] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:23:15,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:23:15,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:23:15,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43203193] [2021-10-16 03:23:15,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:23:15,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:23:15,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:23:15,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:23:15,087 INFO L87 Difference]: Start difference. First operand 1116 states and 1411 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:23:19,550 INFO L93 Difference]: Finished difference Result 3203 states and 4119 transitions. [2021-10-16 03:23:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:23:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 254 [2021-10-16 03:23:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:23:19,566 INFO L225 Difference]: With dead ends: 3203 [2021-10-16 03:23:19,567 INFO L226 Difference]: Without dead ends: 2228 [2021-10-16 03:23:19,569 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:23:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2021-10-16 03:23:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2021-10-16 03:23:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.2160574412532636) internal successors, (1863), 1532 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1863 transitions. [2021-10-16 03:23:19,642 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1863 transitions. Word has length 254 [2021-10-16 03:23:19,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:23:19,643 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 1863 transitions. [2021-10-16 03:23:19,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:19,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1863 transitions. [2021-10-16 03:23:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-10-16 03:23:19,653 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:23:19,654 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:23:19,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:23:19,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:23:19,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:23:19,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:23:19,871 INFO L82 PathProgramCache]: Analyzing trace with hash 605393323, now seen corresponding path program 1 times [2021-10-16 03:23:19,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:23:19,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587077057] [2021-10-16 03:23:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:19,874 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:23:19,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:23:19,876 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:23:19,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:23:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:20,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:23:20,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 306 proven. 74 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:22,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 324 proven. 56 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:29,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:23:29,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587077057] [2021-10-16 03:23:29,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587077057] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:23:29,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [815203404] [2021-10-16 03:23:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:29,344 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:23:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:23:29,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:23:29,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-16 03:23:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:30,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 03:23:30,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 270 proven. 110 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:35,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 342 proven. 38 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-16 03:23:39,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [815203404] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:23:39,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590161470] [2021-10-16 03:23:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:39,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:23:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:23:39,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:23:39,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-16 03:23:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:41,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 03:23:41,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-10-16 03:23:44,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-10-16 03:23:46,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590161470] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:23:46,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-16 03:23:46,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [4, 4, 8, 8] total 21 [2021-10-16 03:23:46,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108095014] [2021-10-16 03:23:46,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 03:23:46,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:23:46,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 03:23:46,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-10-16 03:23:46,980 INFO L87 Difference]: Start difference. First operand 1533 states and 1863 transitions. Second operand has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 6 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:23:50,253 INFO L93 Difference]: Finished difference Result 3119 states and 3779 transitions. [2021-10-16 03:23:50,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:23:50,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 6 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 368 [2021-10-16 03:23:50,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:23:50,265 INFO L225 Difference]: With dead ends: 3119 [2021-10-16 03:23:50,266 INFO L226 Difference]: Without dead ends: 1533 [2021-10-16 03:23:50,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2202 GetRequests, 2180 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1320.3ms TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-10-16 03:23:50,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-10-16 03:23:50,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2021-10-16 03:23:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.2095300261096606) internal successors, (1853), 1532 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1853 transitions. [2021-10-16 03:23:50,315 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1853 transitions. Word has length 368 [2021-10-16 03:23:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:23:50,316 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 1853 transitions. [2021-10-16 03:23:50,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 6 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:23:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1853 transitions. [2021-10-16 03:23:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-10-16 03:23:50,328 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:23:50,329 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:23:50,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:23:50,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-10-16 03:23:50,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:23:50,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:23:50,945 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:23:50,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:23:50,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2135451867, now seen corresponding path program 1 times [2021-10-16 03:23:50,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:23:50,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461564480] [2021-10-16 03:23:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:23:50,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:23:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:23:50,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:23:50,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:23:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:23:52,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 03:23:52,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:23:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 176 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:23:55,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:23:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-16 03:23:59,355 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:23:59,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461564480] [2021-10-16 03:23:59,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461564480] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:23:59,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 03:23:59,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-16 03:23:59,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679459673] [2021-10-16 03:23:59,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:23:59,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:23:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:23:59,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:23:59,358 INFO L87 Difference]: Start difference. First operand 1533 states and 1853 transitions. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:24:03,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:24:03,286 INFO L93 Difference]: Finished difference Result 3231 states and 3916 transitions. [2021-10-16 03:24:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:24:03,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 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 379 [2021-10-16 03:24:03,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:24:03,288 INFO L225 Difference]: With dead ends: 3231 [2021-10-16 03:24:03,289 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:24:03,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 130.5ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:24:03,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:24:03,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:24:03,294 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) [2021-10-16 03:24:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:24:03,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2021-10-16 03:24:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:24:03,295 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:24:03,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:24:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:24:03,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:24:03,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:24:03,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-16 03:24:03,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:24:03,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:24:03,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:24:03,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:24:03,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:24:04,623 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-16 03:24:04,623 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,624 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-16 03:24:04,625 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-16 03:24:04,626 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,627 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-16 03:24:04,628 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-16 03:24:04,629 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,630 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-16 03:24:04,631 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,632 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-16 03:24:04,633 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-16 03:24:04,634 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-16 03:24:04,635 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-16 03:24:04,636 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-16 03:24:04,639 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-16 03:24:04,639 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-16 03:24:04,639 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-16 03:24:04,639 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-16 03:24:04,640 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,640 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,640 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,640 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,640 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,641 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-16 03:24:04,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:24:04,641 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-16 03:24:04,641 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-16 03:24:04,641 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-16 03:24:04,642 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-16 03:24:04,642 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-16 03:24:04,642 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (not (= (_ bv3 32) ~a10~0))) (.cse0 (= (_ bv14 32) ~a4~0)) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse2 (not (= (_ bv10 32) ~a19~0)))) (or (and .cse0 .cse1 (or (and (bvsge (_ bv218 32) ~a1~0) (bvslt (_ bv38 32) ~a1~0)) (and (bvsge (_ bv38 32) ~a1~0) (bvslt (_ bv4294967283 32) ~a1~0))) .cse2) (and (= ~a19~0 (_ bv9 32)) .cse0 .cse1) (and (not (= (_ bv4 32) ~a10~0)) .cse3 .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2))) [2021-10-16 03:24:04,642 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-16 03:24:04,643 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-16 03:24:04,643 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-16 03:24:04,643 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-16 03:24:04,643 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,644 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,644 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,644 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,644 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,644 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-16 03:24:04,645 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-16 03:24:04,645 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-16 03:24:04,645 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-16 03:24:04,645 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-16 03:24:04,645 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-16 03:24:04,646 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-16 03:24:04,646 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-16 03:24:04,646 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-16 03:24:04,646 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-16 03:24:04,646 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-16 03:24:04,647 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-16 03:24:04,647 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-16 03:24:04,647 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-16 03:24:04,647 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:24:04,648 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,648 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,648 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,648 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,648 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,649 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-16 03:24:04,649 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-16 03:24:04,649 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-16 03:24:04,649 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-16 03:24:04,649 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-16 03:24:04,650 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-16 03:24:04,650 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-16 03:24:04,650 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-16 03:24:04,650 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-16 03:24:04,650 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,651 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,651 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,651 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:24:04,651 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,652 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-16 03:24:04,652 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-16 03:24:04,652 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-16 03:24:04,652 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-16 03:24:04,652 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-16 03:24:04,653 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-16 03:24:04,653 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-16 03:24:04,653 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-16 03:24:04,653 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-16 03:24:04,653 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-16 03:24:04,654 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-16 03:24:04,654 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-16 03:24:04,654 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (not (= (_ bv3 32) ~a10~0))) (.cse0 (= (_ bv14 32) ~a4~0)) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse2 (not (= (_ bv10 32) ~a19~0)))) (or (and .cse0 .cse1 (or (and (bvsge (_ bv218 32) ~a1~0) (bvslt (_ bv38 32) ~a1~0)) (and (bvsge (_ bv38 32) ~a1~0) (bvslt (_ bv4294967283 32) ~a1~0))) .cse2) (and (= ~a19~0 (_ bv9 32)) .cse0 .cse1) (and (not (= (_ bv4 32) ~a10~0)) .cse3 .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2))) [2021-10-16 03:24:04,654 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-16 03:24:04,654 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,655 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,655 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,655 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,655 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-16 03:24:04,655 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,656 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,656 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-16 03:24:04,656 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-16 03:24:04,656 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-16 03:24:04,657 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-16 03:24:04,657 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-16 03:24:04,657 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-16 03:24:04,657 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-16 03:24:04,657 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-16 03:24:04,658 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-16 03:24:04,658 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:24:04,658 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2021-10-16 03:24:04,658 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-16 03:24:04,658 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-16 03:24:04,659 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-16 03:24:04,659 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-16 03:24:04,659 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,659 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,659 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,660 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,660 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,660 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 03:24:04,660 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-16 03:24:04,660 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-16 03:24:04,661 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-16 03:24:04,661 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-16 03:24:04,661 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-16 03:24:04,661 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-16 03:24:04,661 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-16 03:24:04,662 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-16 03:24:04,662 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-16 03:24:04,667 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:24:04,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:24:04 BoogieIcfgContainer [2021-10-16 03:24:04,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:24:04,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:24:04,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:24:04,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:24:04,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:43" (3/4) ... [2021-10-16 03:24:04,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:24:04,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 03:24:04,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 03:24:04,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:24:04,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:24:04,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:24:04,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:24:04,881 INFO L168 Benchmark]: Toolchain (without parser) took 86527.84 ms. Allocated memory was 50.3 MB in the beginning and 151.0 MB in the end (delta: 100.7 MB). Free memory was 25.4 MB in the beginning and 50.6 MB in the end (delta: -25.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,882 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:24:04,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.89 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 36.6 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.26 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 47.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,883 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 42.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,884 INFO L168 Benchmark]: RCFGBuilder took 4023.67 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 59.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,884 INFO L168 Benchmark]: TraceAbstraction took 81161.77 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 59.4 MB in the beginning and 66.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,885 INFO L168 Benchmark]: Witness Printer took 179.30 ms. Allocated memory is still 151.0 MB. Free memory was 65.3 MB in the beginning and 50.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:24:04,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 905.89 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 36.6 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 161.26 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 47.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.07 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 42.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4023.67 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 59.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 81161.77 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 59.4 MB in the beginning and 66.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.1 GB. * Witness Printer took 179.30 ms. Allocated memory is still 151.0 MB. Free memory was 65.3 MB in the beginning and 50.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 197]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 81056.1ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 94.2ms, AutomataDifference: 32285.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1109.6ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 323 SDtfs, 943 SDslu, 62 SDs, 0 SdLazy, 3724 SolverSat, 836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27190.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4308 GetRequests, 4272 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1527.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 327.8ms AutomataMinimizationTime, 6 MinimizatonAttempts, 695 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1344 FormulaSimplificationTreeSizeReduction, 309.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 972 FormulaSimplificationTreeSizeReductionInter, 788.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 216.9ms SsaConstructionTime, 1066.7ms SatisfiabilityAnalysisTime, 38353.2ms InterpolantComputationTime, 2161 NumberOfCodeBlocks, 2161 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 4306 ConstructedInterpolants, 0 QuantifiedInterpolants, 22312 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2618 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 3861/4398 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: 592]: Loop Invariant Derived loop invariant: (((((14bv32 == a4 && 0bv32 == a12) && ((~bvsge32(218bv32, a1) && ~bvslt32(38bv32, a1)) || (~bvsge32(38bv32, a1) && ~bvslt32(4294967283bv32, a1)))) && !(10bv32 == a19)) || ((a19 == 9bv32 && 14bv32 == a4) && 0bv32 == a12)) || (((!(4bv32 == a10) && !(3bv32 == a10)) && 14bv32 == a4) && 0bv32 == a12)) || (((!(3bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && !(10bv32 == a19)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((14bv32 == a4 && 0bv32 == a12) && ((~bvsge32(218bv32, a1) && ~bvslt32(38bv32, a1)) || (~bvsge32(38bv32, a1) && ~bvslt32(4294967283bv32, a1)))) && !(10bv32 == a19)) || ((a19 == 9bv32 && 14bv32 == a4) && 0bv32 == a12)) || (((!(4bv32 == a10) && !(3bv32 == a10)) && 14bv32 == a4) && 0bv32 == a12)) || (((!(3bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && !(10bv32 == a19)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:24:04,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612885e3-378c-4da1-b5fc-66a99d7d0b89/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...