./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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 f1077bb355a584e2f609035802d978c056cb6ae4 ....................................................................................................................................................................................................................................................................................................................................................... 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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 f1077bb355a584e2f609035802d978c056cb6ae4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:05:54,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:05:54,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:05:54,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:05:54,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:05:54,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:05:54,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:05:54,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:05:54,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:05:54,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:05:54,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:05:54,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:05:54,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:05:54,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:05:54,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:05:54,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:05:54,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:05:54,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:05:54,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:05:54,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:05:54,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:05:54,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:05:54,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:05:54,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:05:54,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:05:54,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:05:54,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:05:54,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:05:54,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:05:54,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:05:54,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:05:54,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:05:54,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:05:54,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:05:54,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:05:54,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:05:54,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:05:54,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:05:54,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:05:54,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:05:54,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:05:54,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:05:54,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:05:54,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:05:54,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:05:54,509 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:05:54,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:05:54,509 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:05:54,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:05:54,510 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:05:54,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:05:54,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:05:54,511 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:05:54,511 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:05:54,512 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:05:54,512 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:05:54,512 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:05:54,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:05:54,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:05:54,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:05:54,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:05:54,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:05:54,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:05:54,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:05:54,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:05:54,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:05:54,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:05:54,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:05:54,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:05:54,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:05:54,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:05:54,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:05:54,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:54,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:05:54,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:05:54,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:05:54,519 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:05:54,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:05:54,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:05:54,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:05:54,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:05:54,520 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1077bb355a584e2f609035802d978c056cb6ae4 [2021-10-16 03:05:54,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:05:54,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:05:54,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:05:54,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:05:54,837 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:05:54,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-16 03:05:54,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/d12dced80/06b01e79a0e148dd88eda435e0d48bed/FLAG25582b7ad [2021-10-16 03:05:55,546 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:05:55,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-16 03:05:55,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/d12dced80/06b01e79a0e148dd88eda435e0d48bed/FLAG25582b7ad [2021-10-16 03:05:55,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/d12dced80/06b01e79a0e148dd88eda435e0d48bed [2021-10-16 03:05:55,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:05:55,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:05:55,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:55,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:05:55,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:05:55,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:55" (1/1) ... [2021-10-16 03:05:55,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e62233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:55, skipping insertion in model container [2021-10-16 03:05:55,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:55" (1/1) ... [2021-10-16 03:05:55,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:05:55,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:05:56,108 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-16 03:05:56,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:56,484 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:05:56,518 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-16 03:05:56,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:56,652 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:05:56,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56 WrapperNode [2021-10-16 03:05:56,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:56,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:56,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:05:56,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:05:56,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:56,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:05:56,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:05:56,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:05:56,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:56,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:05:56,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:05:56,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:05:56,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:05:57,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (1/1) ... [2021-10-16 03:05:57,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:57,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:05:57,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:05:57,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:05:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:05:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:05:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:05:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:06:22,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:06:22,540 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:06:22,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:22 BoogieIcfgContainer [2021-10-16 03:06:22,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:06:22,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:06:22,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:06:22,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:06:22,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:05:55" (1/3) ... [2021-10-16 03:06:22,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79727ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:22, skipping insertion in model container [2021-10-16 03:06:22,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:56" (2/3) ... [2021-10-16 03:06:22,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79727ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:22, skipping insertion in model container [2021-10-16 03:06:22,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:22" (3/3) ... [2021-10-16 03:06:22,555 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2021-10-16 03:06:22,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:06:22,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:06:22,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:06:22,644 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 03:06:22,644 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:06:22,657 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 03:06:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 03:06:22,664 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:22,665 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 03:06:22,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:22,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:22,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1191216163, now seen corresponding path program 1 times [2021-10-16 03:06:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:22,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708482053] [2021-10-16 03:06:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:22,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:22,932 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 03:06:22,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:22,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708482053] [2021-10-16 03:06:22,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708482053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:22,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:22,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:06:22,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713224446] [2021-10-16 03:06:22,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:22,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:06:22,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:22,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:22,956 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 03:06:23,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:23,089 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 03:06:23,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:23,090 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 03:06:23,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:23,099 INFO L225 Difference]: With dead ends: 23 [2021-10-16 03:06:23,099 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 03:06:23,103 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 03:06:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 03:06:23,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 03:06:23,126 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 03:06:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 03:06:23,128 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 03:06:23,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:23,129 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 03:06:23,129 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 03:06:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 03:06:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:06:23,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:23,130 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 03:06:23,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:06:23,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:23,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1761950147, now seen corresponding path program 1 times [2021-10-16 03:06:23,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:23,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529827559] [2021-10-16 03:06:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:23,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:24,079 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 03:06:24,080 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:24,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529827559] [2021-10-16 03:06:24,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529827559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:06:24,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113045322] [2021-10-16 03:06:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:24,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:06:24,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:06:24,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:06:24,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 03:06:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:24,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 03:06:24,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:27,853 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 03:06:27,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:00,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-16 03:12:00,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1076288664] [2021-10-16 03:12:00,229 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 03:12:00,229 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 03:12:00,233 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 03:12:00,239 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 03:12:00,239 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 03:12:00,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:12:00,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 03:12:00,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:12:00,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 03:12:00,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 03:12:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:12:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:12:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:12:00,325 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 03:12:00,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:12:00,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:12:00,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 03:12:00,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:12:00,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:12:00,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 03:12:00,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 03:12:00,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:158 [2021-10-16 03:12:00,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-16 03:12:00,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:12:00,600 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 03:12:00,603 INFO L168 Benchmark]: Toolchain (without parser) took 364829.23 ms. Allocated memory was 109.1 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 67.2 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 464.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,604 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory was 87.4 MB in the beginning and 87.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:12:00,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.64 ms. Allocated memory is still 109.1 MB. Free memory was 67.0 MB in the beginning and 48.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.90 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 48.7 MB in the beginning and 98.2 MB in the end (delta: -49.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,606 INFO L168 Benchmark]: Boogie Preprocessor took 172.58 ms. Allocated memory is still 136.3 MB. Free memory was 98.2 MB in the beginning and 89.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,607 INFO L168 Benchmark]: RCFGBuilder took 25549.17 ms. Allocated memory was 136.3 MB in the beginning and 1.1 GB in the end (delta: 929.0 MB). Free memory was 89.2 MB in the beginning and 848.6 MB in the end (delta: -759.5 MB). Peak memory consumption was 429.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,607 INFO L168 Benchmark]: TraceAbstraction took 338059.41 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 848.6 MB in the beginning and 1.7 GB in the end (delta: -880.2 MB). Peak memory consumption was 290.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:00,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory was 87.4 MB in the beginning and 87.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 877.64 ms. Allocated memory is still 109.1 MB. Free memory was 67.0 MB in the beginning and 48.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 164.90 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 48.7 MB in the beginning and 98.2 MB in the end (delta: -49.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 172.58 ms. Allocated memory is still 136.3 MB. Free memory was 98.2 MB in the beginning and 89.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25549.17 ms. Allocated memory was 136.3 MB in the beginning and 1.1 GB in the end (delta: 929.0 MB). Free memory was 89.2 MB in the beginning and 848.6 MB in the end (delta: -759.5 MB). Peak memory consumption was 429.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 338059.41 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 848.6 MB in the beginning and 1.7 GB in the end (delta: -880.2 MB). Peak memory consumption was 290.0 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 03:12:00,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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 03:12:03,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:12:03,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:12:03,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:12:03,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:12:03,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:12:03,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:12:03,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:12:03,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:12:03,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:12:03,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:12:03,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:12:03,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:12:03,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:12:03,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:12:03,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:12:03,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:12:03,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:12:03,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:12:03,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:12:03,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:12:03,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:12:03,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:12:03,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:12:03,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:12:03,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:12:03,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:12:03,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:12:03,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:12:03,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:12:03,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:12:03,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:12:03,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:12:03,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:12:03,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:12:03,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:12:03,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:12:03,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:12:03,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:12:03,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:12:03,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:12:03,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:12:03,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:12:03,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:12:03,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:12:03,171 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:12:03,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:12:03,172 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:12:03,172 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:12:03,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:12:03,173 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:12:03,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:12:03,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:12:03,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:12:03,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:12:03,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:12:03,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:12:03,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:12:03,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:12:03,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:12:03,176 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:12:03,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:12:03,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:12:03,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:12:03,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:12:03,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:12:03,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:12:03,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:12:03,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:03,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:12:03,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:12:03,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:12:03,179 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:12:03,179 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:12:03,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:12:03,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:12:03,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:12:03,180 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1077bb355a584e2f609035802d978c056cb6ae4 [2021-10-16 03:12:03,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:12:03,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:12:03,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:12:03,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:12:03,619 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:12:03,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-16 03:12:03,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/5fcd65e8c/8d10883eac9c481e8e04ce3e23d642e4/FLAG579ebb734 [2021-10-16 03:12:04,244 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:12:04,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-16 03:12:04,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/5fcd65e8c/8d10883eac9c481e8e04ce3e23d642e4/FLAG579ebb734 [2021-10-16 03:12:04,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/data/5fcd65e8c/8d10883eac9c481e8e04ce3e23d642e4 [2021-10-16 03:12:04,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:12:04,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:12:04,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:04,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:12:04,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:12:04,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:04" (1/1) ... [2021-10-16 03:12:04,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40406e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:04, skipping insertion in model container [2021-10-16 03:12:04,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:04" (1/1) ... [2021-10-16 03:12:04,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:12:04,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:12:05,002 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-16 03:12:05,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:05,412 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:12:05,446 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_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-16 03:12:05,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:05,682 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:12:05,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05 WrapperNode [2021-10-16 03:12:05,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:05,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:05,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:12:05,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:12:05,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:05,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:12:05,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:12:05,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:12:05,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:12:05,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:12:05,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:12:05,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:12:05,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (1/1) ... [2021-10-16 03:12:05,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:05,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:12:05,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:12:05,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:12:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:12:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:12:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:12:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:12:13,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:12:13,777 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:12:13,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:13 BoogieIcfgContainer [2021-10-16 03:12:13,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:12:13,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:12:13,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:12:13,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:12:13,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:12:04" (1/3) ... [2021-10-16 03:12:13,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2f6922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:13, skipping insertion in model container [2021-10-16 03:12:13,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:05" (2/3) ... [2021-10-16 03:12:13,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2f6922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:13, skipping insertion in model container [2021-10-16 03:12:13,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:13" (3/3) ... [2021-10-16 03:12:13,788 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2021-10-16 03:12:13,793 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:12:13,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:12:13,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:12:13,849 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 03:12:13,849 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:12:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:12:13,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:13,878 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] [2021-10-16 03:12:13,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:13,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:13,885 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2021-10-16 03:12:13,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:13,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855365638] [2021-10-16 03:12:13,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:13,899 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:13,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:13,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:12:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:14,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:14,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:14,255 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 03:12:14,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:14,397 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 03:12:14,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:14,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855365638] [2021-10-16 03:12:14,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855365638] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:14,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:14,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:12:14,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818105424] [2021-10-16 03:12:14,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:14,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:14,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:14,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:14,423 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 03:12:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:29,069 INFO L93 Difference]: Finished difference Result 950 states and 1717 transitions. [2021-10-16 03:12:29,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:12:29,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 26 [2021-10-16 03:12:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:29,094 INFO L225 Difference]: With dead ends: 950 [2021-10-16 03:12:29,094 INFO L226 Difference]: Without dead ends: 599 [2021-10-16 03:12:29,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-16 03:12:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 409. [2021-10-16 03:12:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.4509803921568627) internal successors, (592), 408 states have internal predecessors, (592), 0 states have call successors, (0), 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 03:12:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 592 transitions. [2021-10-16 03:12:29,172 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 592 transitions. Word has length 26 [2021-10-16 03:12:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:29,172 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 592 transitions. [2021-10-16 03:12:29,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 03:12:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 592 transitions. [2021-10-16 03:12:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-16 03:12:29,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:29,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:29,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:12:29,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:12:29,389 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:29,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:29,390 INFO L82 PathProgramCache]: Analyzing trace with hash -308519566, now seen corresponding path program 1 times [2021-10-16 03:12:29,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:29,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548519927] [2021-10-16 03:12:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:29,392 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:29,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:29,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:12:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:29,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:29,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:29,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:30,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:30,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548519927] [2021-10-16 03:12:30,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548519927] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:30,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:30,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:12:30,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536802602] [2021-10-16 03:12:30,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:30,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:30,408 INFO L87 Difference]: Start difference. First operand 409 states and 592 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:43,686 INFO L93 Difference]: Finished difference Result 1571 states and 2288 transitions. [2021-10-16 03:12:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:12:43,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-10-16 03:12:43,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:43,699 INFO L225 Difference]: With dead ends: 1571 [2021-10-16 03:12:43,699 INFO L226 Difference]: Without dead ends: 1164 [2021-10-16 03:12:43,703 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:43,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2021-10-16 03:12:43,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1150. [2021-10-16 03:12:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1149 states have (on average 1.3646649260226285) internal successors, (1568), 1149 states have internal predecessors, (1568), 0 states have call successors, (0), 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 03:12:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1568 transitions. [2021-10-16 03:12:43,756 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1568 transitions. Word has length 94 [2021-10-16 03:12:43,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:43,757 INFO L470 AbstractCegarLoop]: Abstraction has 1150 states and 1568 transitions. [2021-10-16 03:12:43,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1568 transitions. [2021-10-16 03:12:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-16 03:12:43,762 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:43,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:43,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 03:12:43,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:12:43,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:43,975 INFO L82 PathProgramCache]: Analyzing trace with hash -980769570, now seen corresponding path program 1 times [2021-10-16 03:12:43,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:43,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899690553] [2021-10-16 03:12:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:43,978 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:43,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:12:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:44,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:44,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-16 03:12:44,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-16 03:12:45,116 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:45,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899690553] [2021-10-16 03:12:45,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899690553] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:45,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:45,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:12:45,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854668617] [2021-10-16 03:12:45,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:45,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:45,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:45,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:45,119 INFO L87 Difference]: Start difference. First operand 1150 states and 1568 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 03:12:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:55,208 INFO L93 Difference]: Finished difference Result 3590 states and 4881 transitions. [2021-10-16 03:12:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:12:55,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 102 [2021-10-16 03:12:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:55,224 INFO L225 Difference]: With dead ends: 3590 [2021-10-16 03:12:55,225 INFO L226 Difference]: Without dead ends: 2442 [2021-10-16 03:12:55,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:55,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2021-10-16 03:12:55,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2255. [2021-10-16 03:12:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2254 states have (on average 1.2519964507542147) internal successors, (2822), 2254 states have internal predecessors, (2822), 0 states have call successors, (0), 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 03:12:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2822 transitions. [2021-10-16 03:12:55,287 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2822 transitions. Word has length 102 [2021-10-16 03:12:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:55,287 INFO L470 AbstractCegarLoop]: Abstraction has 2255 states and 2822 transitions. [2021-10-16 03:12:55,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 03:12:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2822 transitions. [2021-10-16 03:12:55,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-10-16 03:12:55,294 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:55,294 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:55,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:12:55,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:12:55,519 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:55,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:55,520 INFO L82 PathProgramCache]: Analyzing trace with hash -101534449, now seen corresponding path program 1 times [2021-10-16 03:12:55,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:55,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695228119] [2021-10-16 03:12:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:55,523 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:55,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:12:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:55,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:12:55,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:56,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:57,226 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:57,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695228119] [2021-10-16 03:12:57,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695228119] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:12:57,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1883565761] [2021-10-16 03:12:57,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:57,227 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:12:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:12:57,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:12:57,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-10-16 03:12:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:57,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:57,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:58,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:58,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1883565761] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:58,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:12:58,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 8 [2021-10-16 03:12:58,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178402524] [2021-10-16 03:12:58,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:58,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:58,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:58,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:12:58,387 INFO L87 Difference]: Start difference. First operand 2255 states and 2822 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 0 states have call successors, (0), 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 03:13:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:07,228 INFO L93 Difference]: Finished difference Result 6371 states and 8265 transitions. [2021-10-16 03:13:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:13:07,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 0 states have call successors, (0), 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 153 [2021-10-16 03:13:07,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:07,266 INFO L225 Difference]: With dead ends: 6371 [2021-10-16 03:13:07,266 INFO L226 Difference]: Without dead ends: 4302 [2021-10-16 03:13:07,270 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 52.7ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:13:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2021-10-16 03:13:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 3359. [2021-10-16 03:13:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3359 states, 3358 states have (on average 1.2418106015485408) internal successors, (4170), 3358 states have internal predecessors, (4170), 0 states have call successors, (0), 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 03:13:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 4170 transitions. [2021-10-16 03:13:07,363 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 4170 transitions. Word has length 153 [2021-10-16 03:13:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:07,364 INFO L470 AbstractCegarLoop]: Abstraction has 3359 states and 4170 transitions. [2021-10-16 03:13:07,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 0 states have call successors, (0), 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 03:13:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 4170 transitions. [2021-10-16 03:13:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-16 03:13:07,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:07,373 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:07,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:07,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:07,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:13:07,785 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:07,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:07,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1693187880, now seen corresponding path program 1 times [2021-10-16 03:13:07,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:07,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59085690] [2021-10-16 03:13:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:07,787 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:07,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:07,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:13:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:08,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:13:08,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:13:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:10,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:13:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:13,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:13:13,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59085690] [2021-10-16 03:13:13,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59085690] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:13:13,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 03:13:13,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 03:13:13,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85757640] [2021-10-16 03:13:13,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:13:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:13:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:13:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:13:13,909 INFO L87 Difference]: Start difference. First operand 3359 states and 4170 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 03:13:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:29,703 INFO L93 Difference]: Finished difference Result 7636 states and 9680 transitions. [2021-10-16 03:13:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:13:29,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2021-10-16 03:13:29,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:29,729 INFO L225 Difference]: With dead ends: 7636 [2021-10-16 03:13:29,730 INFO L226 Difference]: Without dead ends: 4278 [2021-10-16 03:13:29,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:13:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2021-10-16 03:13:29,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 4094. [2021-10-16 03:13:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4094 states, 4093 states have (on average 1.273393598827266) internal successors, (5212), 4093 states have internal predecessors, (5212), 0 states have call successors, (0), 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 03:13:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 5212 transitions. [2021-10-16 03:13:29,851 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 5212 transitions. Word has length 207 [2021-10-16 03:13:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:29,852 INFO L470 AbstractCegarLoop]: Abstraction has 4094 states and 5212 transitions. [2021-10-16 03:13:29,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 03:13:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 5212 transitions. [2021-10-16 03:13:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-10-16 03:13:29,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:29,856 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:29,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:30,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:30,078 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:30,078 INFO L82 PathProgramCache]: Analyzing trace with hash 796700730, now seen corresponding path program 1 times [2021-10-16 03:13:30,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:30,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627171595] [2021-10-16 03:13:30,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:30,080 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:30,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:30,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:13:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:30,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:13:30,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:13:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:31,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:13:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:32,220 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:13:32,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627171595] [2021-10-16 03:13:32,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627171595] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:13:32,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:13:32,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:13:32,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626354931] [2021-10-16 03:13:32,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:13:32,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:13:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:13:32,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:13:32,224 INFO L87 Difference]: Start difference. First operand 4094 states and 5212 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:42,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:42,223 INFO L93 Difference]: Finished difference Result 9674 states and 12270 transitions. [2021-10-16 03:13:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:13:42,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2021-10-16 03:13:42,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:42,275 INFO L225 Difference]: With dead ends: 9674 [2021-10-16 03:13:42,276 INFO L226 Difference]: Without dead ends: 5582 [2021-10-16 03:13:42,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:13:42,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5582 states. [2021-10-16 03:13:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5582 to 5197. [2021-10-16 03:13:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5197 states, 5196 states have (on average 1.2295996920708236) internal successors, (6389), 5196 states have internal predecessors, (6389), 0 states have call successors, (0), 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 03:13:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 6389 transitions. [2021-10-16 03:13:42,423 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 6389 transitions. Word has length 214 [2021-10-16 03:13:42,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:42,424 INFO L470 AbstractCegarLoop]: Abstraction has 5197 states and 6389 transitions. [2021-10-16 03:13:42,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 6389 transitions. [2021-10-16 03:13:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-16 03:13:42,428 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:42,429 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:42,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:42,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:42,643 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:42,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1515620695, now seen corresponding path program 1 times [2021-10-16 03:13:42,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:42,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833297944] [2021-10-16 03:13:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:42,646 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:42,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:42,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:13:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:43,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:13:43,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:13:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:44,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:13:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:45,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:13:45,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833297944] [2021-10-16 03:13:45,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833297944] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:13:45,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 03:13:45,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 03:13:45,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349977941] [2021-10-16 03:13:45,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:13:45,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:13:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:13:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:13:45,156 INFO L87 Difference]: Start difference. First operand 5197 states and 6389 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 03:14:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:14:02,812 INFO L93 Difference]: Finished difference Result 12416 states and 15419 transitions. [2021-10-16 03:14:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:14:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-10-16 03:14:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:14:02,845 INFO L225 Difference]: With dead ends: 12416 [2021-10-16 03:14:02,846 INFO L226 Difference]: Without dead ends: 7221 [2021-10-16 03:14:02,853 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.3ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:14:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2021-10-16 03:14:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 6853. [2021-10-16 03:14:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6853 states, 6852 states have (on average 1.2063631056625803) internal successors, (8266), 6852 states have internal predecessors, (8266), 0 states have call successors, (0), 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 03:14:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6853 states to 6853 states and 8266 transitions. [2021-10-16 03:14:03,149 INFO L78 Accepts]: Start accepts. Automaton has 6853 states and 8266 transitions. Word has length 218 [2021-10-16 03:14:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:14:03,150 INFO L470 AbstractCegarLoop]: Abstraction has 6853 states and 8266 transitions. [2021-10-16 03:14:03,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 03:14:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6853 states and 8266 transitions. [2021-10-16 03:14:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-10-16 03:14:03,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:14:03,176 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:14:03,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:14:03,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:14:03,379 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:14:03,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:14:03,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1313485887, now seen corresponding path program 1 times [2021-10-16 03:14:03,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:14:03,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745290891] [2021-10-16 03:14:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:14:03,382 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:14:03,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:14:03,383 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:14:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:14:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:14:04,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:14:04,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:14:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-16 03:14:04,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:14:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-16 03:14:05,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:14:05,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745290891] [2021-10-16 03:14:05,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745290891] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:14:05,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:14:05,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:14:05,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324471837] [2021-10-16 03:14:05,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:14:05,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:14:05,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:14:05,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:14:05,363 INFO L87 Difference]: Start difference. First operand 6853 states and 8266 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:14:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:14:09,962 INFO L93 Difference]: Finished difference Result 13699 states and 16525 transitions. [2021-10-16 03:14:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:14:09,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2021-10-16 03:14:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:14:10,004 INFO L225 Difference]: With dead ends: 13699 [2021-10-16 03:14:10,005 INFO L226 Difference]: Without dead ends: 6848 [2021-10-16 03:14:10,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:14:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6848 states. [2021-10-16 03:14:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6848 to 6848. [2021-10-16 03:14:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6848 states, 6847 states have (on average 1.2057835548415365) internal successors, (8256), 6847 states have internal predecessors, (8256), 0 states have call successors, (0), 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 03:14:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 8256 transitions. [2021-10-16 03:14:10,175 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 8256 transitions. Word has length 308 [2021-10-16 03:14:10,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:14:10,200 INFO L470 AbstractCegarLoop]: Abstraction has 6848 states and 8256 transitions. [2021-10-16 03:14:10,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:14:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 8256 transitions. [2021-10-16 03:14:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-10-16 03:14:10,211 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:14:10,212 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:14:10,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:14:10,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:14:10,430 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:14:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:14:10,431 INFO L82 PathProgramCache]: Analyzing trace with hash -842788195, now seen corresponding path program 1 times [2021-10-16 03:14:10,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:14:10,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123466847] [2021-10-16 03:14:10,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:14:10,433 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:14:10,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:14:10,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:14:10,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 03:14:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:14:11,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:14:11,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:14:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 240 proven. 81 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-16 03:14:12,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:14:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-16 03:14:13,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:14:13,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123466847] [2021-10-16 03:14:13,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123466847] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:14:13,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 03:14:13,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 03:14:13,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624385027] [2021-10-16 03:14:13,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:14:13,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:14:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:14:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:14:13,785 INFO L87 Difference]: Start difference. First operand 6848 states and 8256 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 03:14:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:14:27,440 INFO L93 Difference]: Finished difference Result 14614 states and 17731 transitions. [2021-10-16 03:14:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:14:27,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 337 [2021-10-16 03:14:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:14:27,452 INFO L225 Difference]: With dead ends: 14614 [2021-10-16 03:14:27,452 INFO L226 Difference]: Without dead ends: 7768 [2021-10-16 03:14:27,459 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:14:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7768 states. [2021-10-16 03:14:27,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7768 to 7768. [2021-10-16 03:14:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 7767 states have (on average 1.1954422556971804) internal successors, (9285), 7767 states have internal predecessors, (9285), 0 states have call successors, (0), 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 03:14:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 9285 transitions. [2021-10-16 03:14:27,615 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 9285 transitions. Word has length 337 [2021-10-16 03:14:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:14:27,616 INFO L470 AbstractCegarLoop]: Abstraction has 7768 states and 9285 transitions. [2021-10-16 03:14:27,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 03:14:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 9285 transitions. [2021-10-16 03:14:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-10-16 03:14:27,625 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:14:27,625 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:14:27,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:14:27,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:14:27,842 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:14:27,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:14:27,842 INFO L82 PathProgramCache]: Analyzing trace with hash -327701130, now seen corresponding path program 1 times [2021-10-16 03:14:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:14:27,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384382805] [2021-10-16 03:14:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:14:27,844 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:14:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:14:27,845 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:14:27,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:14:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:14:29,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:14:29,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:14:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 71 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-16 03:14:30,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:14:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 71 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-16 03:14:37,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:14:37,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384382805] [2021-10-16 03:14:37,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384382805] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:14:37,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1365677954] [2021-10-16 03:14:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:14:37,779 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:14:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:14:37,781 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:14:37,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-16 03:14:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:14:39,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:14:39,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:14:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-16 03:14:40,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:14:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-16 03:14:40,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1365677954] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:14:40,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:14:40,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2021-10-16 03:14:40,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316922892] [2021-10-16 03:14:40,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:14:40,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:14:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:14:40,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:14:40,883 INFO L87 Difference]: Start difference. First operand 7768 states and 9285 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:14:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:14:52,825 INFO L93 Difference]: Finished difference Result 17740 states and 21177 transitions. [2021-10-16 03:14:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:14:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 347 [2021-10-16 03:14:52,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:14:52,827 INFO L225 Difference]: With dead ends: 17740 [2021-10-16 03:14:52,827 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:14:52,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1384 GetRequests, 1378 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 214.8ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:14:52,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:14:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:14:52,838 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 03:14:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:14:52,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 347 [2021-10-16 03:14:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:14:52,839 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:14:52,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:14:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:14:52,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:14:52,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:14:52,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:14:53,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-16 03:14:53,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:14:53,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:14:53,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:14:53,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:14:53,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,437 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,438 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-16 03:14:54,439 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,440 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,441 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 (_ bv9 32)))) (.cse3 (= ~a4~0 (_ bv1 32)))) (let ((.cse1 (not (bvsge (_ bv306 32) ~a23~0))) (.cse2 (or .cse4 (not (bvsle ~a29~0 (_ bv140 32))) .cse3)) (.cse0 (= ~a8~0 (_ bv15 32)))) (or (and .cse0 (not (bvsge (_ bv245 32) ~a29~0))) (and (bvsge (_ bv138 32) ~a23~0) .cse0) (and .cse1 .cse0) (and .cse1 (not (= (_ bv13 32) ~a25~0)) .cse2 (not .cse3)) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse0 .cse2) (and .cse0 .cse4)))) [2021-10-16 03:14:54,441 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-16 03:14:54,442 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-16 03:14:54,443 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-16 03:14:54,443 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-16 03:14:54,443 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,443 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,443 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,448 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,448 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,449 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,449 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,450 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,451 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,451 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,451 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,451 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,452 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 (_ bv9 32)))) (.cse3 (= ~a4~0 (_ bv1 32)))) (let ((.cse1 (not (bvsge (_ bv306 32) ~a23~0))) (.cse2 (or .cse4 (not (bvsle ~a29~0 (_ bv140 32))) .cse3)) (.cse0 (= ~a8~0 (_ bv15 32)))) (or (and .cse0 (not (bvsge (_ bv245 32) ~a29~0))) (and (bvsge (_ bv138 32) ~a23~0) .cse0) (and .cse1 .cse0) (and .cse1 (not (= (_ bv13 32) ~a25~0)) .cse2 (not .cse3)) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse0 .cse2) (and .cse0 .cse4)))) [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,453 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-16 03:14:54,454 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,455 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,456 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,457 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,458 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,459 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,460 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2021-10-16 03:14:54,461 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,462 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,463 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-16 03:14:54,463 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-16 03:14:54,463 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-16 03:14:54,463 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,464 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,465 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,466 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,467 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-16 03:14:54,468 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-16 03:14:54,469 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-16 03:14:54,471 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,471 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,471 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,471 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,471 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,472 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,473 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-16 03:14:54,474 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,475 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,476 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,477 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-16 03:14:54,478 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,479 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,480 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-16 03:14:54,480 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-16 03:14:54,481 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-16 03:14:54,481 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-16 03:14:54,481 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-16 03:14:54,481 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-16 03:14:54,482 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,482 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,482 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,483 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,483 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,484 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,484 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,484 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-16 03:14:54,484 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-16 03:14:54,484 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,485 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,486 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-16 03:14:54,487 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-16 03:14:54,488 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-16 03:14:54,488 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-16 03:14:54,492 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:14:54,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:14:54 BoogieIcfgContainer [2021-10-16 03:14:54,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:14:54,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:14:54,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:14:54,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:14:54,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:13" (3/4) ... [2021-10-16 03:14:54,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:14:54,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 03:14:54,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 03:14:54,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:14:54,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:14:54,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:14:54,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:14:54,771 INFO L168 Benchmark]: Toolchain (without parser) took 170062.60 ms. Allocated memory was 52.4 MB in the beginning and 146.8 MB in the end (delta: 94.4 MB). Free memory was 35.2 MB in the beginning and 48.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,772 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:14:54,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.60 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 47.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.57 ms. Allocated memory is still 73.4 MB. Free memory was 47.0 MB in the beginning and 38.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,773 INFO L168 Benchmark]: Boogie Preprocessor took 103.12 ms. Allocated memory is still 73.4 MB. Free memory was 38.0 MB in the beginning and 31.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,774 INFO L168 Benchmark]: RCFGBuilder took 7864.10 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 45.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,774 INFO L168 Benchmark]: TraceAbstraction took 160753.90 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 45.0 MB in the beginning and 72.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,775 INFO L168 Benchmark]: Witness Printer took 233.40 ms. Allocated memory is still 146.8 MB. Free memory was 72.8 MB in the beginning and 48.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:54,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 971.60 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 47.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.57 ms. Allocated memory is still 73.4 MB. Free memory was 47.0 MB in the beginning and 38.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.12 ms. Allocated memory is still 73.4 MB. Free memory was 38.0 MB in the beginning and 31.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7864.10 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 45.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 160753.90 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 45.0 MB in the beginning and 72.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.1 GB. * Witness Printer took 233.40 ms. Allocated memory is still 146.8 MB. Free memory was 72.8 MB in the beginning and 48.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 23.1 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: 94]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 160650.9ms, OverallIterations: 10, TraceHistogramMax: 4, EmptinessCheckTime: 84.3ms, AutomataDifference: 120840.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1188.1ms, InitialAbstractionConstructionTime: 16.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1842 SDtfs, 2944 SDslu, 231 SDs, 0 SdLazy, 6801 SolverSat, 1565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 106441.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4988 GetRequests, 4958 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 434.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7768occurred in iteration=9, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1134.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 2271 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 116 NumberOfFragments, 155 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4784 FormulaSimplificationTreeSizeReduction, 440.0ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 2206 FormulaSimplificationTreeSizeReductionInter, 737.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 271.3ms SsaConstructionTime, 1534.5ms SatisfiabilityAnalysisTime, 26365.7ms InterpolantComputationTime, 2506 NumberOfCodeBlocks, 2506 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4988 ConstructedInterpolants, 0 QuantifiedInterpolants, 15776 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3253 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 24 InterpolantComputations, 17 PerfectInterpolantSequences, 2657/3312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((a8 == 15bv32 && !~bvsge32(245bv32, a29)) || (~bvsge32(138bv32, a23) && a8 == 15bv32)) || (!~bvsge32(306bv32, a23) && a8 == 15bv32)) || (((!~bvsge32(306bv32, a23) && !(13bv32 == a25)) && ((!(a25 == 9bv32) || !~bvsle32(a29, 140bv32)) || a4 == 1bv32)) && !(a4 == 1bv32))) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && ((!(a25 == 9bv32) || !~bvsle32(a29, 140bv32)) || a4 == 1bv32))) || (a8 == 15bv32 && !(a25 == 9bv32)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((a8 == 15bv32 && !~bvsge32(245bv32, a29)) || (~bvsge32(138bv32, a23) && a8 == 15bv32)) || (!~bvsge32(306bv32, a23) && a8 == 15bv32)) || (((!~bvsge32(306bv32, a23) && !(13bv32 == a25)) && ((!(a25 == 9bv32) || !~bvsle32(a29, 140bv32)) || a4 == 1bv32)) && !(a4 == 1bv32))) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && ((!(a25 == 9bv32) || !~bvsle32(a29, 140bv32)) || a4 == 1bv32))) || (a8 == 15bv32 && !(a25 == 9bv32)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:14:54,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9cdfe0-c9d1-4d4d-8edf-f882b7fe46c7/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...