./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan --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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan --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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:02:56,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:56,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:56,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:56,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:56,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:56,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:56,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:56,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:56,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:56,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:56,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:56,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:56,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:56,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:56,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:56,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:56,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:56,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:56,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:56,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:56,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:56,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:56,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:56,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:56,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:56,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:56,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:56,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:56,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:56,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:56,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:56,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:56,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:56,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:56,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:56,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:56,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:56,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:56,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:56,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:56,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:56,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:56,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:56,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:56,689 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:56,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:56,689 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:56,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:56,690 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:56,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:56,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:56,691 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:56,692 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:56,692 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:56,692 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:56,692 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:56,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:56,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:56,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:56,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:56,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:56,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:56,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:56,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:56,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:56,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:56,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:56,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:56,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:56,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:56,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:56,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:56,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:56,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:56,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:56,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:56,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:56,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:56,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:56,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:56,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:56,700 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-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-11-22 13:02:56,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:56,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:56,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:56,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:56,983 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:56,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-22 13:02:57,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/1191f9818/2ec6c991db3b4abea1351e67aa401811/FLAG5cb9e1118 [2020-11-22 13:02:57,567 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:57,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-22 13:02:57,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/1191f9818/2ec6c991db3b4abea1351e67aa401811/FLAG5cb9e1118 [2020-11-22 13:02:58,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/1191f9818/2ec6c991db3b4abea1351e67aa401811 [2020-11-22 13:02:58,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:58,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:58,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:58,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:58,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:58,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:58" (1/1) ... [2020-11-22 13:02:58,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed93c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:58, skipping insertion in model container [2020-11-22 13:02:58,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:58" (1/1) ... [2020-11-22 13:02:58,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:58,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:58,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:58,441 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:02:58,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f731780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:58, skipping insertion in model container [2020-11-22 13:02:58,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:58,442 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:58,444 INFO L168 Benchmark]: Toolchain (without parser) took 387.15 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 69.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,445 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:58,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.41 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 69.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.41 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 69.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:03:00,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:00,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:00,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:00,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:00,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:00,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:00,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:00,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:00,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:00,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:00,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:00,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:00,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:00,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:00,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:00,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:00,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:00,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:00,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:00,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:00,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:00,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:00,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:00,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:00,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:00,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:00,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:00,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:00,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:00,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:00,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:00,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:00,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:00,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:00,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:00,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:00,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:00,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:00,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:00,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:00,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:03:00,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:00,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:00,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:00,840 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:00,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:00,841 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:00,841 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:00,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:00,842 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:00,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:00,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:03:00,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:03:00,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:00,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:00,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:00,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:00,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:00,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:03:00,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:03:00,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:03:00,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:00,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:00,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:00,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:00,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:03:00,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:00,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:00,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:00,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:00,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:00,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:00,849 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:03:00,850 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:03:00,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:00,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:00,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:00,851 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-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-11-22 13:03:01,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:01,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:01,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:01,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:01,262 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:01,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-22 13:03:01,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/5d31ef256/4ff3ca113eb64163b6cf56fa3ab7ceda/FLAG953396590 [2020-11-22 13:03:01,970 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:01,971 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-22 13:03:01,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/5d31ef256/4ff3ca113eb64163b6cf56fa3ab7ceda/FLAG953396590 [2020-11-22 13:03:02,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/data/5d31ef256/4ff3ca113eb64163b6cf56fa3ab7ceda [2020-11-22 13:03:02,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:02,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:02,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:02,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:02,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:02,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:02,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563732af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02, skipping insertion in model container [2020-11-22 13:03:02,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:02,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:02,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:02,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:02,649 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:03:02,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:02,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:02,791 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:03:02,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:02,945 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:03:02,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02 WrapperNode [2020-11-22 13:03:02,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:02,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:02,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:03:02,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:03:02,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:02,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:03,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:03:03,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:03:03,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:03:03,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... [2020-11-22 13:03:03,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:03:03,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:03:03,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:03:03,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:03:03,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:03:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:03:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:03:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:03:05,586 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:03:05,586 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:03:05,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:05 BoogieIcfgContainer [2020-11-22 13:03:05,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:03:05,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:03:05,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:03:05,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:03:05,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:03:02" (1/3) ... [2020-11-22 13:03:05,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1489857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:03:05, skipping insertion in model container [2020-11-22 13:03:05,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:02" (2/3) ... [2020-11-22 13:03:05,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1489857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:03:05, skipping insertion in model container [2020-11-22 13:03:05,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:05" (3/3) ... [2020-11-22 13:03:05,595 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-11-22 13:03:05,606 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:03:05,610 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:03:05,621 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:03:05,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:03:05,645 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:03:05,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:03:05,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:03:05,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:03:05,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:03:05,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:03:05,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:03:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-22 13:03:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:03:05,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:05,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:03:05,672 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:05,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:05,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1590673276, now seen corresponding path program 1 times [2020-11-22 13:03:05,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:05,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610379082] [2020-11-22 13:03:05,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:03:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:05,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:03:05,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:05,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:05,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610379082] [2020-11-22 13:03:05,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:05,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:03:05,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862496213] [2020-11-22 13:03:05,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:03:05,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:05,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:03:05,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:03:05,997 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-11-22 13:03:06,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:06,045 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-11-22 13:03:06,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:03:06,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:03:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:06,060 INFO L225 Difference]: With dead ends: 158 [2020-11-22 13:03:06,060 INFO L226 Difference]: Without dead ends: 77 [2020-11-22 13:03:06,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:03:06,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-22 13:03:06,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-11-22 13:03:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-22 13:03:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-11-22 13:03:06,099 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-11-22 13:03:06,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:06,100 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-11-22 13:03:06,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:03:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-22 13:03:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:03:06,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:06,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:03:06,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:03:06,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1809509245, now seen corresponding path program 1 times [2020-11-22 13:03:06,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:06,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659625979] [2020-11-22 13:03:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:03:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:06,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:03:06,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:06,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:06,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659625979] [2020-11-22 13:03:06,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:06,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:03:06,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705400728] [2020-11-22 13:03:06,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:03:06,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:06,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:03:06,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:06,586 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 4 states. [2020-11-22 13:03:06,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:06,599 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-11-22 13:03:06,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:03:06,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:03:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:06,601 INFO L225 Difference]: With dead ends: 77 [2020-11-22 13:03:06,601 INFO L226 Difference]: Without dead ends: 37 [2020-11-22 13:03:06,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-22 13:03:06,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-22 13:03:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-22 13:03:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-11-22 13:03:06,608 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-11-22 13:03:06,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:06,609 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-11-22 13:03:06,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:03:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-11-22 13:03:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:03:06,610 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:06,610 INFO L422 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] [2020-11-22 13:03:06,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:03:06,811 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:06,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:06,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-11-22 13:03:06,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:06,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122770613] [2020-11-22 13:03:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:03:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:06,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:03:06,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:07,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:07,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122770613] [2020-11-22 13:03:07,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:07,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:03:07,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369807597] [2020-11-22 13:03:07,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:03:07,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:03:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:07,029 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2020-11-22 13:03:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:07,062 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2020-11-22 13:03:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:03:07,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:03:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:07,066 INFO L225 Difference]: With dead ends: 121 [2020-11-22 13:03:07,066 INFO L226 Difference]: Without dead ends: 91 [2020-11-22 13:03:07,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:07,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-11-22 13:03:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2020-11-22 13:03:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:03:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2020-11-22 13:03:07,089 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2020-11-22 13:03:07,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:07,089 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2020-11-22 13:03:07,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:03:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2020-11-22 13:03:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:03:07,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:07,091 INFO L422 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] [2020-11-22 13:03:07,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:03:07,312 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:07,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:07,313 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-11-22 13:03:07,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:07,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486095784] [2020-11-22 13:03:07,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:03:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:07,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:03:07,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:07,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:07,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486095784] [2020-11-22 13:03:07,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:07,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:03:07,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099491300] [2020-11-22 13:03:07,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:03:07,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:07,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:03:07,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:03:07,557 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2020-11-22 13:03:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:07,687 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2020-11-22 13:03:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:03:07,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:03:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:07,691 INFO L225 Difference]: With dead ends: 261 [2020-11-22 13:03:07,691 INFO L226 Difference]: Without dead ends: 211 [2020-11-22 13:03:07,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:03:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-11-22 13:03:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2020-11-22 13:03:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-22 13:03:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2020-11-22 13:03:07,730 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2020-11-22 13:03:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:07,730 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2020-11-22 13:03:07,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:03:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2020-11-22 13:03:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:03:07,737 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:07,737 INFO L422 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] [2020-11-22 13:03:07,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:03:07,950 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:07,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:07,950 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-11-22 13:03:07,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:07,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485570163] [2020-11-22 13:03:07,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:03:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:08,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:03:08,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:08,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:03:08,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485570163] [2020-11-22 13:03:08,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:08,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:03:08,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478449538] [2020-11-22 13:03:08,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:03:08,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:08,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:03:08,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:03:08,176 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2020-11-22 13:03:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:08,275 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2020-11-22 13:03:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:03:08,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:03:08,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:08,276 INFO L225 Difference]: With dead ends: 289 [2020-11-22 13:03:08,277 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:03:08,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:03:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:03:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:03:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:03:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:03:08,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:03:08,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:08,279 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:03:08,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:03:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:03:08,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:03:08,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:03:08,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:03:08,881 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,882 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,882 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,882 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:03:08,882 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,882 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-11-22 13:03:08,883 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-11-22 13:03:08,883 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-11-22 13:03:08,883 INFO L270 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,883 INFO L274 CegarLoopResult]: For program point L699(lines 699 716) no Hoare annotation was computed. [2020-11-22 13:03:08,883 INFO L274 CegarLoopResult]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2020-11-22 13:03:08,883 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2020-11-22 13:03:08,883 INFO L274 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-11-22 13:03:08,883 INFO L270 CegarLoopResult]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,884 INFO L270 CegarLoopResult]: At program point L667(lines 666 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,884 INFO L274 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-11-22 13:03:08,884 INFO L270 CegarLoopResult]: At program point L667-2(lines 666 685) the Hoare annotation is: false [2020-11-22 13:03:08,884 INFO L270 CegarLoopResult]: At program point L667-3(lines 666 685) the Hoare annotation is: false [2020-11-22 13:03:08,884 INFO L274 CegarLoopResult]: For program point L635(lines 635 652) no Hoare annotation was computed. [2020-11-22 13:03:08,884 INFO L270 CegarLoopResult]: At program point L635-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,884 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 652) no Hoare annotation was computed. [2020-11-22 13:03:08,885 INFO L270 CegarLoopResult]: At program point L635-3(lines 1 927) the Hoare annotation is: false [2020-11-22 13:03:08,885 INFO L274 CegarLoopResult]: For program point L635-4(lines 635 652) no Hoare annotation was computed. [2020-11-22 13:03:08,885 INFO L270 CegarLoopResult]: At program point L635-5(lines 1 927) the Hoare annotation is: false [2020-11-22 13:03:08,885 INFO L270 CegarLoopResult]: At program point L916(lines 1 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:08,885 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:03:08,885 INFO L274 CegarLoopResult]: For program point L867(lines 867 880) no Hoare annotation was computed. [2020-11-22 13:03:08,885 INFO L274 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,885 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L277 CegarLoopResult]: At program point L603-1(lines 603 610) the Hoare annotation is: true [2020-11-22 13:03:08,886 INFO L274 CegarLoopResult]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2020-11-22 13:03:08,886 INFO L270 CegarLoopResult]: At program point L752(lines 747 755) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,887 INFO L270 CegarLoopResult]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2020-11-22 13:03:08,887 INFO L270 CegarLoopResult]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2020-11-22 13:03:08,887 INFO L274 CegarLoopResult]: For program point L703(lines 703 711) no Hoare annotation was computed. [2020-11-22 13:03:08,887 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2020-11-22 13:03:08,887 INFO L274 CegarLoopResult]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2020-11-22 13:03:08,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,887 INFO L270 CegarLoopResult]: At program point L885(lines 836 886) the Hoare annotation is: false [2020-11-22 13:03:08,887 INFO L274 CegarLoopResult]: For program point L639(lines 639 649) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point L639-2(lines 639 649) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point L639-4(lines 639 649) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point L838(lines 837 884) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L270 CegarLoopResult]: At program point L574(lines 570 576) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:08,888 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2020-11-22 13:03:08,888 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-11-22 13:03:08,889 INFO L274 CegarLoopResult]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2020-11-22 13:03:08,889 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-11-22 13:03:08,889 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-11-22 13:03:08,889 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-11-22 13:03:08,889 INFO L270 CegarLoopResult]: At program point L624(lines 619 626) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:08,889 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:03:08,889 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:03:08,889 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:03:08,889 INFO L270 CegarLoopResult]: At program point L525-2(lines 525 539) the Hoare annotation is: false [2020-11-22 13:03:08,890 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-11-22 13:03:08,890 INFO L270 CegarLoopResult]: At program point L674(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,890 INFO L270 CegarLoopResult]: At program point L674-1(lines 674 680) the Hoare annotation is: false [2020-11-22 13:03:08,890 INFO L270 CegarLoopResult]: At program point L674-2(lines 674 680) the Hoare annotation is: false [2020-11-22 13:03:08,891 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-11-22 13:03:08,892 INFO L274 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-11-22 13:03:08,892 INFO L270 CegarLoopResult]: At program point L873-1(lines 667 673) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,892 INFO L270 CegarLoopResult]: At program point L807(lines 792 810) the Hoare annotation is: false [2020-11-22 13:03:08,892 INFO L270 CegarLoopResult]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2020-11-22 13:03:08,892 INFO L270 CegarLoopResult]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2020-11-22 13:03:08,893 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-11-22 13:03:08,893 INFO L270 CegarLoopResult]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:03:08,893 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:03:08,893 INFO L270 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:08,893 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L274 CegarLoopResult]: For program point L529-1(lines 667 673) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-11-22 13:03:08,894 INFO L277 CegarLoopResult]: At program point L612(lines 593 615) the Hoare annotation is: true [2020-11-22 13:03:08,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:03:08 BoogieIcfgContainer [2020-11-22 13:03:08,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:03:08,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:03:08,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:03:08,926 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:03:08,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:05" (3/4) ... [2020-11-22 13:03:08,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:03:08,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:03:08,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:03:08,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:03:08,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:03:08,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:03:08,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:03:08,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:03:08,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:03:09,056 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3092fa58-8258-4af5-8544-36a2fd1a04ee/bin/utaipan/witness.graphml [2020-11-22 13:03:09,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:03:09,058 INFO L168 Benchmark]: Toolchain (without parser) took 6783.08 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 43.0 MB in the beginning and 48.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,058 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:09,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.67 ms. Allocated memory is still 67.1 MB. Free memory was 42.9 MB in the beginning and 39.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 36.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,060 INFO L168 Benchmark]: Boogie Preprocessor took 51.70 ms. Allocated memory is still 67.1 MB. Free memory was 36.2 MB in the beginning and 33.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,060 INFO L168 Benchmark]: RCFGBuilder took 2484.12 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 48.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,061 INFO L168 Benchmark]: TraceAbstraction took 3335.81 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 48.4 MB in the beginning and 54.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,061 INFO L168 Benchmark]: Witness Printer took 130.53 ms. Allocated memory is still 98.6 MB. Free memory was 54.4 MB in the beginning and 48.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:09,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.67 ms. Allocated memory is still 67.1 MB. Free memory was 42.9 MB in the beginning and 39.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 36.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.70 ms. Allocated memory is still 67.1 MB. Free memory was 36.2 MB in the beginning and 33.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2484.12 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 48.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3335.81 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 48.4 MB in the beginning and 54.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 130.53 ms. Allocated memory is still 98.6 MB. Free memory was 54.4 MB in the beginning and 48.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 447 SDslu, 403 SDs, 0 SdLazy, 50 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...