./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.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_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/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_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/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_c7cc291e-48b2-42af-9e3e-a508e9968df6/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 624df73c4f57632c06893f947fe7f316d917f969 ....................................................................................................................................................................................................................................................................................................................................................... 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/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_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/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_c7cc291e-48b2-42af-9e3e-a508e9968df6/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 624df73c4f57632c06893f947fe7f316d917f969 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:43:18,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:43:18,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:43:18,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:43:18,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:43:18,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:43:18,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:43:18,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:43:18,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:43:18,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:43:18,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:43:18,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:43:18,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:43:18,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:43:18,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:43:18,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:43:18,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:43:18,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:43:18,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:43:18,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:43:18,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:43:18,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:43:18,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:43:18,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:43:18,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:43:18,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:43:18,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:43:18,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:43:18,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:43:18,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:43:18,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:43:18,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:43:18,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:43:18,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:43:18,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:43:18,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:43:18,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:43:18,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:43:18,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:43:18,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:43:18,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:43:18,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:43:18,943 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:43:18,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:43:18,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:43:18,945 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:43:18,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:43:18,946 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:43:18,946 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:43:18,947 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:43:18,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:43:18,955 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:43:18,956 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:43:18,957 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:43:18,957 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:43:18,957 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:43:18,958 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:43:18,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:43:18,959 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:43:18,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:43:18,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:43:18,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:43:18,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:43:18,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:43:18,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:43:18,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:43:18,961 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:43:18,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:43:18,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:43:18,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:43:18,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:43:18,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:43:18,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:18,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:43:18,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:43:18,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:43:18,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:43:18,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:43:18,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:43:18,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:43:18,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:43:18,968 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 624df73c4f57632c06893f947fe7f316d917f969 [2021-10-16 02:43:19,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:43:19,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:43:19,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:43:19,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:43:19,318 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:43:19,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-10-16 02:43:19,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/9721948ed/6b72f79f686a42a989b79bef159368af/FLAG78f009812 [2021-10-16 02:43:20,111 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:43:20,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-10-16 02:43:20,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/9721948ed/6b72f79f686a42a989b79bef159368af/FLAG78f009812 [2021-10-16 02:43:20,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/9721948ed/6b72f79f686a42a989b79bef159368af [2021-10-16 02:43:20,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:43:20,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:43:20,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:20,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:43:20,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:43:20,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:20" (1/1) ... [2021-10-16 02:43:20,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3893be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:20, skipping insertion in model container [2021-10-16 02:43:20,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:43:20" (1/1) ... [2021-10-16 02:43:20,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:43:20,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:43:20,704 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2021-10-16 02:43:20,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:20,943 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:43:20,982 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2021-10-16 02:43:21,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:43:21,153 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:43:21,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21 WrapperNode [2021-10-16 02:43:21,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:43:21,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:21,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:43:21,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:43:21,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:43:21,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:43:21,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:43:21,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:43:21,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:43:21,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:43:21,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:43:21,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:43:21,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (1/1) ... [2021-10-16 02:43:21,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:43:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:21,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:43:21,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:43:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:43:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:43:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:43:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:43:31,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:43:31,676 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:43:31,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:31 BoogieIcfgContainer [2021-10-16 02:43:31,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:43:31,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:43:31,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:43:31,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:43:31,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:43:20" (1/3) ... [2021-10-16 02:43:31,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e54f859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:31, skipping insertion in model container [2021-10-16 02:43:31,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:43:21" (2/3) ... [2021-10-16 02:43:31,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e54f859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:43:31, skipping insertion in model container [2021-10-16 02:43:31,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:43:31" (3/3) ... [2021-10-16 02:43:31,690 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2021-10-16 02:43:31,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:43:31,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:43:31,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:43:31,783 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 02:43:31,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:43:31,798 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 02:43:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 02:43:31,803 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:31,803 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 02:43:31,804 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:31,813 INFO L82 PathProgramCache]: Analyzing trace with hash 885169502, now seen corresponding path program 1 times [2021-10-16 02:43:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:31,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997739265] [2021-10-16 02:43:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:31,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:43:32,133 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 02:43:32,133 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:43:32,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997739265] [2021-10-16 02:43:32,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997739265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:43:32,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:43:32,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:43:32,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405348809] [2021-10-16 02:43:32,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:43:32,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:43:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:43:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:43:32,171 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 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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 02:43:32,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:43:32,289 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 02:43:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:43:32,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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 02:43:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:43:32,302 INFO L225 Difference]: With dead ends: 23 [2021-10-16 02:43:32,302 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:43:32,306 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:43:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:43:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 02:43:32,343 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 02:43:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 02:43:32,346 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 02:43:32,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:43:32,347 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 02:43:32,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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 02:43:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 02:43:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:43:32,348 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:43:32,348 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 02:43:32,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:43:32,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:43:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:43:32,354 INFO L82 PathProgramCache]: Analyzing trace with hash -341754391, now seen corresponding path program 1 times [2021-10-16 02:43:32,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:43:32,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19280811] [2021-10-16 02:43:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:32,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:43:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:43:32,991 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 02:43:32,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:43:32,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19280811] [2021-10-16 02:43:32,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19280811] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:43:32,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131049631] [2021-10-16 02:43:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:43:32,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:43:32,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:43:32,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:43:32,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:43:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:43:33,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-16 02:43:33,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:43:50,554 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 02:43:50,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:06,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-16 02:44:06,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1173295441] [2021-10-16 02:44:06,465 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 02:44:06,465 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:44:06,470 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:44:06,477 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:44:06,478 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:44:06,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:44:06,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 02:44:06,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:44:06,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 02:44:06,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 02:44:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:44:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:44:06,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:44:06,573 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 02:44:06,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:44:06,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:44:06,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:44:06,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:44:06,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:44:06,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 02:44:06,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:44:06,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:152 [2021-10-16 02:44:06,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:44:06,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:44:06,832 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 02:44:06,836 INFO L168 Benchmark]: Toolchain (without parser) took 46472.82 ms. Allocated memory was 109.1 MB in the beginning and 1.1 GB in the end (delta: 994.1 MB). Free memory was 76.2 MB in the beginning and 577.5 MB in the end (delta: -501.3 MB). Peak memory consumption was 492.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,837 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:44:06,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.18 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 68.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.09 ms. Allocated memory is still 109.1 MB. Free memory was 68.8 MB in the beginning and 60.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,839 INFO L168 Benchmark]: Boogie Preprocessor took 110.10 ms. Allocated memory is still 109.1 MB. Free memory was 60.8 MB in the beginning and 55.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,840 INFO L168 Benchmark]: RCFGBuilder took 10276.99 ms. Allocated memory was 109.1 MB in the beginning and 278.9 MB in the end (delta: 169.9 MB). Free memory was 55.8 MB in the beginning and 123.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 140.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,841 INFO L168 Benchmark]: TraceAbstraction took 35153.05 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 824.2 MB). Free memory was 122.7 MB in the beginning and 577.5 MB in the end (delta: -454.8 MB). Peak memory consumption was 369.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:44:06,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 789.18 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 68.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.09 ms. Allocated memory is still 109.1 MB. Free memory was 68.8 MB in the beginning and 60.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.10 ms. Allocated memory is still 109.1 MB. Free memory was 60.8 MB in the beginning and 55.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10276.99 ms. Allocated memory was 109.1 MB in the beginning and 278.9 MB in the end (delta: 169.9 MB). Free memory was 55.8 MB in the beginning and 123.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 140.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35153.05 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 824.2 MB). Free memory was 122.7 MB in the beginning and 577.5 MB in the end (delta: -454.8 MB). Peak memory consumption was 369.4 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 02:44:06,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:44:09,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:44:09,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:44:09,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:44:09,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:44:09,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:44:09,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:44:09,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:44:09,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:44:09,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:44:09,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:44:09,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:44:09,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:44:09,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:44:09,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:44:09,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:44:09,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:44:09,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:44:09,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:44:09,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:44:09,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:44:09,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:44:09,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:44:09,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:44:09,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:44:09,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:44:09,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:44:09,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:44:09,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:44:09,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:44:09,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:44:09,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:44:09,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:44:09,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:44:09,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:44:09,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:44:09,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:44:09,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:44:09,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:44:09,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:44:09,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:44:09,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:44:09,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:44:09,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:44:09,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:44:09,843 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:44:09,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:44:09,844 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:44:09,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:44:09,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:44:09,845 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:44:09,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:44:09,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:44:09,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:44:09,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:44:09,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:44:09,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:44:09,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:44:09,848 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:44:09,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:44:09,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:44:09,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:44:09,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:44:09,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:44:09,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:44:09,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:44:09,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:44:09,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:44:09,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:44:09,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:44:09,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:44:09,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:44:09,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:44:09,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:44:09,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:44:09,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:44:09,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:44:09,854 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 624df73c4f57632c06893f947fe7f316d917f969 [2021-10-16 02:44:10,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:44:10,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:44:10,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:44:10,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:44:10,322 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:44:10,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-10-16 02:44:10,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/21c2f8f02/0b30217ca5ef4ec8812b99844df00ea5/FLAG7b1965793 [2021-10-16 02:44:11,236 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:44:11,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2021-10-16 02:44:11,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/21c2f8f02/0b30217ca5ef4ec8812b99844df00ea5/FLAG7b1965793 [2021-10-16 02:44:11,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/data/21c2f8f02/0b30217ca5ef4ec8812b99844df00ea5 [2021-10-16 02:44:11,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:44:11,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:44:11,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:44:11,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:44:11,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:44:11,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:44:11" (1/1) ... [2021-10-16 02:44:11,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a0dea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:11, skipping insertion in model container [2021-10-16 02:44:11,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:44:11" (1/1) ... [2021-10-16 02:44:11,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:44:11,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:44:11,859 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2021-10-16 02:44:12,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:44:12,230 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:44:12,270 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_c7cc291e-48b2-42af-9e3e-a508e9968df6/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2021-10-16 02:44:12,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:44:12,464 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:44:12,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12 WrapperNode [2021-10-16 02:44:12,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:44:12,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:44:12,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:44:12,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:44:12,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:44:12,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:44:12,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:44:12,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:44:12,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:44:12,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:44:12,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:44:12,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:44:12,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (1/1) ... [2021-10-16 02:44:12,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:44:12,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:44:12,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:44:12,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:44:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:44:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:44:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:44:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:44:16,424 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:44:16,424 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:44:16,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:44:16 BoogieIcfgContainer [2021-10-16 02:44:16,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:44:16,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:44:16,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:44:16,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:44:16,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:44:11" (1/3) ... [2021-10-16 02:44:16,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f2390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:44:16, skipping insertion in model container [2021-10-16 02:44:16,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:44:12" (2/3) ... [2021-10-16 02:44:16,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f2390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:44:16, skipping insertion in model container [2021-10-16 02:44:16,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:44:16" (3/3) ... [2021-10-16 02:44:16,438 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2021-10-16 02:44:16,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:44:16,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:44:16,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:44:16,521 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 02:44:16,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:44:16,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:44:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:44:16,546 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:16,562 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:44:16,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:16,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2021-10-16 02:44:16,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:16,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352667511] [2021-10-16 02:44:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:16,582 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:16,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:16,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:44:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:16,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:44:16,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:44:16,984 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 02:44:16,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:17,214 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 02:44:17,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:44:17,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352667511] [2021-10-16 02:44:17,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352667511] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:44:17,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:44:17,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:44:17,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103949249] [2021-10-16 02:44:17,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:44:17,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:44:17,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:44:17,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:17,247 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 02:44:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:44:23,052 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2021-10-16 02:44:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:44:23,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 34 [2021-10-16 02:44:23,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:44:23,074 INFO L225 Difference]: With dead ends: 694 [2021-10-16 02:44:23,074 INFO L226 Difference]: Without dead ends: 421 [2021-10-16 02:44:23,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-16 02:44:23,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-16 02:44:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3952380952380952) internal successors, (586), 420 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:44:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 586 transitions. [2021-10-16 02:44:23,221 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 586 transitions. Word has length 34 [2021-10-16 02:44:23,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:44:23,222 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 586 transitions. [2021-10-16 02:44:23,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 02:44:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 586 transitions. [2021-10-16 02:44:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-16 02:44:23,230 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:23,231 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:23,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-16 02:44:23,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:44:23,444 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:23,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:23,445 INFO L82 PathProgramCache]: Analyzing trace with hash 637307494, now seen corresponding path program 1 times [2021-10-16 02:44:23,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:23,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633970684] [2021-10-16 02:44:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:23,448 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:23,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:23,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:44:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:23,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:44:23,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:44:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:24,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:27,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:44:27,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633970684] [2021-10-16 02:44:27,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633970684] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:44:27,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [215406845] [2021-10-16 02:44:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:27,640 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:44:27,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:44:27,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:44:27,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-16 02:44:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:27,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:44:27,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:44:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:30,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:31,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [215406845] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:44:31,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:44:31,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 3] imperfect sequences [3, 3] total 11 [2021-10-16 02:44:31,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555494197] [2021-10-16 02:44:31,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 02:44:31,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:44:31,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 02:44:31,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:44:31,145 INFO L87 Difference]: Start difference. First operand 421 states and 586 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 0 states have call successors, (0), 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 02:44:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:44:36,632 INFO L93 Difference]: Finished difference Result 1535 states and 2177 transitions. [2021-10-16 02:44:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:44:36,635 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 0 states have call successors, (0), 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 100 [2021-10-16 02:44:36,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:44:36,643 INFO L225 Difference]: With dead ends: 1535 [2021-10-16 02:44:36,643 INFO L226 Difference]: Without dead ends: 1116 [2021-10-16 02:44:36,646 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 563.8ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:44:36,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-16 02:44:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-10-16 02:44:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.3545081967213115) internal successors, (1322), 976 states have internal predecessors, (1322), 0 states have call successors, (0), 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 02:44:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1322 transitions. [2021-10-16 02:44:36,713 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1322 transitions. Word has length 100 [2021-10-16 02:44:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:44:36,714 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1322 transitions. [2021-10-16 02:44:36,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 0 states have call successors, (0), 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 02:44:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1322 transitions. [2021-10-16 02:44:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-16 02:44:36,728 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:36,729 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 02:44:36,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:44:36,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:44:37,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:44:37,149 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:37,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:37,150 INFO L82 PathProgramCache]: Analyzing trace with hash 543736396, now seen corresponding path program 1 times [2021-10-16 02:44:37,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:37,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686385192] [2021-10-16 02:44:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:37,153 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:37,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:37,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:37,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:44:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:37,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:44:37,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:44:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:38,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:44:39,043 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:44:39,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686385192] [2021-10-16 02:44:39,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686385192] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:44:39,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:44:39,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:44:39,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871373726] [2021-10-16 02:44:39,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:44:39,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:44:39,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:44:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:39,048 INFO L87 Difference]: Start difference. First operand 977 states and 1322 transitions. Second operand has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 0 states have call successors, (0), 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 02:44:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:44:44,734 INFO L93 Difference]: Finished difference Result 2230 states and 3035 transitions. [2021-10-16 02:44:44,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:44:44,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 0 states have call successors, (0), 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 194 [2021-10-16 02:44:44,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:44:44,746 INFO L225 Difference]: With dead ends: 2230 [2021-10-16 02:44:44,746 INFO L226 Difference]: Without dead ends: 1255 [2021-10-16 02:44:44,748 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:44,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-10-16 02:44:44,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-10-16 02:44:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.24304932735426) internal successors, (1386), 1115 states have internal predecessors, (1386), 0 states have call successors, (0), 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 02:44:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1386 transitions. [2021-10-16 02:44:44,789 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1386 transitions. Word has length 194 [2021-10-16 02:44:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:44:44,790 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1386 transitions. [2021-10-16 02:44:44,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 0 states have call successors, (0), 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 02:44:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1386 transitions. [2021-10-16 02:44:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-16 02:44:44,795 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:44,795 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 02:44:44,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:44:45,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:44:45,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:45,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:45,012 INFO L82 PathProgramCache]: Analyzing trace with hash -631756385, now seen corresponding path program 1 times [2021-10-16 02:44:45,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:45,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759198567] [2021-10-16 02:44:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:45,015 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:45,017 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:45,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:44:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:45,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:44:45,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:44:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-16 02:44:46,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:44:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-16 02:44:48,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:44:48,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759198567] [2021-10-16 02:44:48,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759198567] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:44:48,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:44:48,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:44:48,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289381815] [2021-10-16 02:44:48,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:44:48,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:44:48,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:44:48,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:48,952 INFO L87 Difference]: Start difference. First operand 1116 states and 1386 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:44:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:44:58,923 INFO L93 Difference]: Finished difference Result 2786 states and 3461 transitions. [2021-10-16 02:44:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:44:58,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2021-10-16 02:44:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:44:58,937 INFO L225 Difference]: With dead ends: 2786 [2021-10-16 02:44:58,937 INFO L226 Difference]: Without dead ends: 1672 [2021-10-16 02:44:58,940 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:44:58,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-10-16 02:44:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-10-16 02:44:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.225014961101137) internal successors, (2047), 1671 states have internal predecessors, (2047), 0 states have call successors, (0), 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 02:44:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2047 transitions. [2021-10-16 02:44:59,006 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2047 transitions. Word has length 201 [2021-10-16 02:44:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:44:59,007 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2047 transitions. [2021-10-16 02:44:59,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:44:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2047 transitions. [2021-10-16 02:44:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-16 02:44:59,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:44:59,014 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 02:44:59,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:44:59,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:44:59,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:44:59,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:44:59,231 INFO L82 PathProgramCache]: Analyzing trace with hash -806599165, now seen corresponding path program 1 times [2021-10-16 02:44:59,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:44:59,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018078655] [2021-10-16 02:44:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:44:59,233 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:44:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:44:59,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:44:59,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:44:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:44:59,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:44:59,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 13 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:01,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:06,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:06,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018078655] [2021-10-16 02:45:06,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018078655] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:06,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [549487294] [2021-10-16 02:45:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:06,175 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:45:06,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:45:06,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:45:06,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:45:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:07,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:45:07,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 105 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:10,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:13,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [549487294] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:13,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657862150] [2021-10-16 02:45:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:13,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:45:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:45:13,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:45:13,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-16 02:45:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:14,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:45:14,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 98 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:16,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 98 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:18,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657862150] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:18,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:45:18,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 8, 8, 4, 4] total 20 [2021-10-16 02:45:18,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693862538] [2021-10-16 02:45:18,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 02:45:18,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:18,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 02:45:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-10-16 02:45:18,784 INFO L87 Difference]: Start difference. First operand 1672 states and 2047 transitions. Second operand has 20 states, 20 states have (on average 40.25) internal successors, (805), 20 states have internal predecessors, (805), 0 states have call successors, (0), 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 02:46:54,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:46:54,549 INFO L93 Difference]: Finished difference Result 5743 states and 7139 transitions. [2021-10-16 02:46:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 02:46:54,550 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 40.25) internal successors, (805), 20 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2021-10-16 02:46:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:46:54,568 INFO L225 Difference]: With dead ends: 5743 [2021-10-16 02:46:54,569 INFO L226 Difference]: Without dead ends: 3201 [2021-10-16 02:46:54,573 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1370 GetRequests, 1339 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 4103.9ms TimeCoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 02:46:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2021-10-16 02:46:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2089. [2021-10-16 02:46:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.2078544061302683) internal successors, (2522), 2088 states have internal predecessors, (2522), 0 states have call successors, (0), 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 02:46:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2522 transitions. [2021-10-16 02:46:54,677 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2522 transitions. Word has length 225 [2021-10-16 02:46:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:46:54,678 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2522 transitions. [2021-10-16 02:46:54,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 40.25) internal successors, (805), 20 states have internal predecessors, (805), 0 states have call successors, (0), 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 02:46:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2522 transitions. [2021-10-16 02:46:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-10-16 02:46:54,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:46:54,688 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:46:54,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:46:54,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-16 02:46:55,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:46:55,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:46:55,305 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:46:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:46:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash -993176621, now seen corresponding path program 1 times [2021-10-16 02:46:55,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:46:55,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36985423] [2021-10-16 02:46:55,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:46:55,309 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:46:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:46:55,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:46:55,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:46:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:46:56,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:46:56,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:46:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 57 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:46:59,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-16 02:47:14,312 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:47:14,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36985423] [2021-10-16 02:47:14,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36985423] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:47:14,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:47:14,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-10-16 02:47:14,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917762967] [2021-10-16 02:47:14,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:47:14,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:47:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:47:14,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:47:14,314 INFO L87 Difference]: Start difference. First operand 2089 states and 2522 transitions. Second operand has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 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 02:48:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:48:05,797 INFO L93 Difference]: Finished difference Result 5023 states and 6042 transitions. [2021-10-16 02:48:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:48:05,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 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 331 [2021-10-16 02:48:05,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:48:05,819 INFO L225 Difference]: With dead ends: 5023 [2021-10-16 02:48:05,819 INFO L226 Difference]: Without dead ends: 3062 [2021-10-16 02:48:05,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 479.0ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:48:05,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2021-10-16 02:48:05,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2089. [2021-10-16 02:48:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.206896551724138) internal successors, (2520), 2088 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:48:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2520 transitions. [2021-10-16 02:48:05,908 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2520 transitions. Word has length 331 [2021-10-16 02:48:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:48:05,909 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2520 transitions. [2021-10-16 02:48:05,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 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 02:48:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2520 transitions. [2021-10-16 02:48:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-10-16 02:48:05,918 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:48:05,918 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 02:48:05,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-10-16 02:48:06,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:48:06,135 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:48:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:48:06,136 INFO L82 PathProgramCache]: Analyzing trace with hash 696370260, now seen corresponding path program 1 times [2021-10-16 02:48:06,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:48:06,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754313592] [2021-10-16 02:48:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:48:06,139 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:48:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:48:06,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:48:06,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:48:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:48:07,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:48:07,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:48:09,640 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 69 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:48:09,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:48:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-16 02:48:11,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:48:11,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754313592] [2021-10-16 02:48:11,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754313592] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:48:11,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:48:11,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-16 02:48:11,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906135913] [2021-10-16 02:48:11,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:48:11,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:48:11,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:48:11,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:48:11,180 INFO L87 Difference]: Start difference. First operand 2089 states and 2520 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 02:48:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:48:12,830 INFO L93 Difference]: Finished difference Result 3905 states and 4754 transitions. [2021-10-16 02:48:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:48:12,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 342 [2021-10-16 02:48:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:48:12,832 INFO L225 Difference]: With dead ends: 3905 [2021-10-16 02:48:12,838 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:48:12,843 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 75.1ms TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:48:12,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:48:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:48:12,844 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 02:48:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:48:12,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2021-10-16 02:48:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:48:12,845 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:48:12,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 02:48:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:48:12,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:48:12,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:48:12,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:48:13,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:48:13,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:48:13,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:48:13,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:48:13,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-16 02:48:22,506 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-16 02:48:22,507 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,507 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,507 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,507 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,508 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,508 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,508 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-16 02:48:22,508 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-16 02:48:22,508 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-16 02:48:22,509 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-16 02:48:22,509 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-16 02:48:22,509 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-16 02:48:22,509 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-16 02:48:22,509 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-16 02:48:22,510 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-16 02:48:22,510 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-16 02:48:22,510 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-16 02:48:22,510 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-16 02:48:22,510 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-16 02:48:22,511 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,511 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,511 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,511 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,512 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,512 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,512 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-16 02:48:22,512 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-16 02:48:22,512 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-16 02:48:22,513 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-16 02:48:22,513 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-16 02:48:22,513 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-16 02:48:22,513 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-16 02:48:22,513 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,514 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,515 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,515 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,515 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,515 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-16 02:48:22,515 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-16 02:48:22,516 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-16 02:48:22,516 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-16 02:48:22,516 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-16 02:48:22,516 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-16 02:48:22,516 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-16 02:48:22,517 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-16 02:48:22,517 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-16 02:48:22,517 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-16 02:48:22,517 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-16 02:48:22,517 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-16 02:48:22,518 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-16 02:48:22,518 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,518 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,518 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,518 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,519 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,519 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,519 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-16 02:48:22,519 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-16 02:48:22,519 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-16 02:48:22,520 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-16 02:48:22,520 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-16 02:48:22,520 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-16 02:48:22,520 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-16 02:48:22,520 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-16 02:48:22,521 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-16 02:48:22,521 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-16 02:48:22,521 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-16 02:48:22,521 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,521 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,522 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,522 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,522 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,522 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-16 02:48:22,523 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-16 02:48:22,523 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-16 02:48:22,523 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-16 02:48:22,523 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-16 02:48:22,523 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-16 02:48:22,524 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-16 02:48:22,525 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-16 02:48:22,525 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-16 02:48:22,525 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,525 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,525 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,526 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,526 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,526 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-16 02:48:22,526 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:48:22,526 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-16 02:48:22,527 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-16 02:48:22,527 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-16 02:48:22,527 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-16 02:48:22,527 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-16 02:48:22,528 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse6 (bvslt (_ bv4294967283 32) ~a1~0)) (.cse11 (not (= (_ bv7 32) ~a19~0))) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse0 (= (_ bv14 32) ~a4~0)) (.cse3 (= (_ bv2 32) ~a10~0))) (let ((.cse9 (not .cse3)) (.cse2 (bvslt (_ bv218 32) (bvadd (_ bv331501 32) (bvsdiv ~a1~0 (_ bv5 32))))) (.cse10 (or (not .cse6) .cse11 (not .cse1) (not (= (_ bv0 32) ~a10~0)) (not .cse0))) (.cse4 (bvsge (_ bv218 32) ~a1~0)) (.cse5 (bvslt (_ bv38 32) ~a1~0)) (.cse8 (not (= (_ bv3 32) ~a10~0))) (.cse7 (not (= (_ bv1 32) ~a10~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (bvsge (_ bv38 32) ~a1~0) .cse6) (and (= ~a19~0 (_ bv9 32)) .cse0 .cse1 .cse7) (and .cse8 .cse9 .cse0 .cse1 .cse2 .cse10) (and .cse0 .cse1 .cse11 .cse3) (and .cse9 .cse0 .cse1 .cse2 (bvsge (_ bv218 32) (bvadd (_ bv206 32) (bvsrem (bvadd ~a1~0 (_ bv4294490206 32)) (_ bv89 32)))) .cse10 (or (not .cse4) (not .cse5))) (and .cse8 .cse0 .cse1 (= (_ bv8 32) ~a19~0) .cse7)))) [2021-10-16 02:48:22,528 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-16 02:48:22,528 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-16 02:48:22,528 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-16 02:48:22,529 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-16 02:48:22,529 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,529 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,529 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,529 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-16 02:48:22,530 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-16 02:48:22,531 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-16 02:48:22,531 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-16 02:48:22,531 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-16 02:48:22,531 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-16 02:48:22,531 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-16 02:48:22,532 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-16 02:48:22,532 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-16 02:48:22,532 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-16 02:48:22,532 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-16 02:48:22,532 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:48:22,532 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-16 02:48:22,533 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-16 02:48:22,534 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-16 02:48:22,535 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse6 (bvslt (_ bv4294967283 32) ~a1~0)) (.cse11 (not (= (_ bv7 32) ~a19~0))) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse0 (= (_ bv14 32) ~a4~0)) (.cse3 (= (_ bv2 32) ~a10~0))) (let ((.cse9 (not .cse3)) (.cse2 (bvslt (_ bv218 32) (bvadd (_ bv331501 32) (bvsdiv ~a1~0 (_ bv5 32))))) (.cse10 (or (not .cse6) .cse11 (not .cse1) (not (= (_ bv0 32) ~a10~0)) (not .cse0))) (.cse4 (bvsge (_ bv218 32) ~a1~0)) (.cse5 (bvslt (_ bv38 32) ~a1~0)) (.cse8 (not (= (_ bv3 32) ~a10~0))) (.cse7 (not (= (_ bv1 32) ~a10~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (bvsge (_ bv38 32) ~a1~0) .cse6) (and (= ~a19~0 (_ bv9 32)) .cse0 .cse1 .cse7) (and .cse8 .cse9 .cse0 .cse1 .cse2 .cse10) (and .cse0 .cse1 .cse11 .cse3) (and .cse9 .cse0 .cse1 .cse2 (bvsge (_ bv218 32) (bvadd (_ bv206 32) (bvsrem (bvadd ~a1~0 (_ bv4294490206 32)) (_ bv89 32)))) .cse10 (or (not .cse4) (not .cse5))) (and .cse8 .cse0 .cse1 (= (_ bv8 32) ~a19~0) .cse7)))) [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-16 02:48:22,536 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-16 02:48:22,537 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,538 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-16 02:48:22,539 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-16 02:48:22,540 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-16 02:48:22,540 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-16 02:48:22,540 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-16 02:48:22,544 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:48:22,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:48:22 BoogieIcfgContainer [2021-10-16 02:48:22,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:48:22,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:48:22,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:48:22,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:48:22,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:44:16" (3/4) ... [2021-10-16 02:48:22,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:48:22,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 02:48:22,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:48:22,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:48:22,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:48:22,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:48:22,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:48:22,730 INFO L168 Benchmark]: Toolchain (without parser) took 251286.23 ms. Allocated memory was 71.3 MB in the beginning and 142.6 MB in the end (delta: 71.3 MB). Free memory was 51.4 MB in the beginning and 33.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 88.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,731 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 52.5 MB in the beginning and 52.5 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:48:22,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1027.14 ms. Allocated memory is still 71.3 MB. Free memory was 51.2 MB in the beginning and 34.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.55 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 33.8 MB in the beginning and 75.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,732 INFO L168 Benchmark]: Boogie Preprocessor took 73.07 ms. Allocated memory is still 96.5 MB. Free memory was 75.0 MB in the beginning and 70.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,733 INFO L168 Benchmark]: RCFGBuilder took 3757.97 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 71.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,733 INFO L168 Benchmark]: TraceAbstraction took 246137.96 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 70.9 MB in the beginning and 47.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,734 INFO L168 Benchmark]: Witness Printer took 153.83 ms. Allocated memory is still 142.6 MB. Free memory was 47.7 MB in the beginning and 33.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:48:22,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 52.5 MB in the beginning and 52.5 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1027.14 ms. Allocated memory is still 71.3 MB. Free memory was 51.2 MB in the beginning and 34.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.55 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 33.8 MB in the beginning and 75.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.07 ms. Allocated memory is still 96.5 MB. Free memory was 75.0 MB in the beginning and 70.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3757.97 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 71.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 246137.96 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 70.9 MB in the beginning and 47.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 16.1 GB. * Witness Printer took 153.83 ms. Allocated memory is still 142.6 MB. Free memory was 47.7 MB in the beginning and 33.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 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: 116]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 246030.9ms, OverallIterations: 7, TraceHistogramMax: 4, EmptinessCheckTime: 58.1ms, AutomataDifference: 176012.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9433.2ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 444 SDtfs, 5227 SDslu, 134 SDs, 0 SdLazy, 7016 SolverSat, 1824 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 158245.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3960 GetRequests, 3903 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5281.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 483.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 56 NumberOfFragments, 387 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3578 FormulaSimplificationTreeSizeReduction, 377.5ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1862 FormulaSimplificationTreeSizeReductionInter, 9048.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 204.8ms SsaConstructionTime, 1162.5ms SatisfiabilityAnalysisTime, 50097.9ms InterpolantComputationTime, 1977 NumberOfCodeBlocks, 1977 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3934 ConstructedInterpolants, 0 QuantifiedInterpolants, 22148 SizeOfPredicates, 34 NumberOfNonLiveVariables, 2528 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 1876/2870 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) && ~bvsge32(218bv32, a1)) && ~bvslt32(38bv32, a1)) || (((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) && ~bvsge32(38bv32, a1)) && ~bvslt32(4294967283bv32, a1))) || (((a19 == 9bv32 && 14bv32 == a4) && 0bv32 == a12) && !(1bv32 == a10))) || (((((!(3bv32 == a10) && !(2bv32 == a10)) && 14bv32 == a4) && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && ((((!~bvslt32(4294967283bv32, a1) || !(7bv32 == a19)) || !(0bv32 == a12)) || !(0bv32 == a10)) || !(14bv32 == a4)))) || (((14bv32 == a4 && 0bv32 == a12) && !(7bv32 == a19)) && 2bv32 == a10)) || ((((((!(2bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && ~bvsge32(218bv32, ~bvadd64(206bv32, ~bvsrem32(~bvadd64(a1, 4294490206bv32), 89bv32)))) && ((((!~bvslt32(4294967283bv32, a1) || !(7bv32 == a19)) || !(0bv32 == a12)) || !(0bv32 == a10)) || !(14bv32 == a4))) && (!~bvsge32(218bv32, a1) || !~bvslt32(38bv32, a1)))) || ((((!(3bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && 8bv32 == a19) && !(1bv32 == a10)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) && ~bvsge32(218bv32, a1)) && ~bvslt32(38bv32, a1)) || (((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) && ~bvsge32(38bv32, a1)) && ~bvslt32(4294967283bv32, a1))) || (((a19 == 9bv32 && 14bv32 == a4) && 0bv32 == a12) && !(1bv32 == a10))) || (((((!(3bv32 == a10) && !(2bv32 == a10)) && 14bv32 == a4) && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && ((((!~bvslt32(4294967283bv32, a1) || !(7bv32 == a19)) || !(0bv32 == a12)) || !(0bv32 == a10)) || !(14bv32 == a4)))) || (((14bv32 == a4 && 0bv32 == a12) && !(7bv32 == a19)) && 2bv32 == a10)) || ((((((!(2bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && ~bvsge32(218bv32, ~bvadd64(206bv32, ~bvsrem32(~bvadd64(a1, 4294490206bv32), 89bv32)))) && ((((!~bvslt32(4294967283bv32, a1) || !(7bv32 == a19)) || !(0bv32 == a12)) || !(0bv32 == a10)) || !(14bv32 == a4))) && (!~bvsge32(218bv32, a1) || !~bvslt32(38bv32, a1)))) || ((((!(3bv32 == a10) && 14bv32 == a4) && 0bv32 == a12) && 8bv32 == a19) && !(1bv32 == a10)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:48:22,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc291e-48b2-42af-9e3e-a508e9968df6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...