./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 7e56150b699b94e28c1c73525159cfeb9360ab0a ............................................................................................................................................ 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_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 7e56150b699b94e28c1c73525159cfeb9360ab0a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:02:46,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:46,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:47,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:47,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:47,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:47,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:47,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:47,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:47,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:47,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:47,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:47,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:47,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:47,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:47,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:47,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:47,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:47,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:47,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:47,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:47,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:47,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:47,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:47,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:47,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:47,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:47,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:47,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:47,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:47,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:47,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:47,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:47,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:47,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:47,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:47,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:47,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:47,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:47,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:47,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:47,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:47,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:47,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:47,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:47,117 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:47,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:47,118 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:47,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:47,118 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:47,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:47,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:47,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:47,120 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:47,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:47,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:47,121 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:47,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:47,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:47,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:47,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:47,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:47,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:47,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:47,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:47,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:47,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:47,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:47,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:47,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:47,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:47,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:47,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:47,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:47,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:47,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:47,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:47,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:47,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:47,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:47,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:47,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:47,129 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_28045eb5-5972-4d3c-8c9e-6896eba12a82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-11-22 13:02:47,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:47,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:47,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:47,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:47,405 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:47,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-22 13:02:47,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/b81a7e978/b3e42d201de445d6af7a547721a968a3/FLAGd517f9cdd [2020-11-22 13:02:48,077 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:48,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-22 13:02:48,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/b81a7e978/b3e42d201de445d6af7a547721a968a3/FLAGd517f9cdd [2020-11-22 13:02:48,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/b81a7e978/b3e42d201de445d6af7a547721a968a3 [2020-11-22 13:02:48,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:48,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:48,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:48,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:48,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:48,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:48" (1/1) ... [2020-11-22 13:02:48,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120218c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:48, skipping insertion in model container [2020-11-22 13:02:48,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:48" (1/1) ... [2020-11-22 13:02:48,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:48,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:48,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:48,749 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 13:02:48,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bf6633f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:48, skipping insertion in model container [2020-11-22 13:02:48,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:48,750 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:48,752 INFO L168 Benchmark]: Toolchain (without parser) took 354.70 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 82.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:48,753 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:48,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.08 ms. Allocated memory is still 107.0 MB. Free memory was 78.4 MB in the beginning and 82.6 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:48,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.08 ms. Allocated memory is still 107.0 MB. Free memory was 78.4 MB in the beginning and 82.6 MB in the end (delta: -4.3 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: 620]: 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 13:02:50,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:50,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:50,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:50,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:50,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:50,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:50,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:50,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:50,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:50,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:50,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:50,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:50,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:50,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:50,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:50,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:50,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:50,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:50,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:50,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:50,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:50,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:50,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:50,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:50,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:50,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:50,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:50,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:50,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:50,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:50,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:50,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:50,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:50,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:50,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:50,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:50,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:50,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:50,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:50,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:50,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:02:51,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:51,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:51,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:51,042 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:51,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:51,042 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:51,043 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:51,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:51,043 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:51,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:51,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:51,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:51,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:51,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:51,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:51,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:51,047 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:51,047 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:02:51,047 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:02:51,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:51,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:51,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:51,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:51,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:51,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:02:51,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:51,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:51,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:51,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:51,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:51,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:51,051 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:02:51,051 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:02:51,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:51,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:51,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:51,052 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_28045eb5-5972-4d3c-8c9e-6896eba12a82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-11-22 13:02:51,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:51,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:51,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:51,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:51,435 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:51,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-22 13:02:51,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/c71b87e28/85de710d4a93451abd1fe8f7733f550b/FLAG1445ada7d [2020-11-22 13:02:52,045 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:52,046 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-22 13:02:52,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/c71b87e28/85de710d4a93451abd1fe8f7733f550b/FLAG1445ada7d [2020-11-22 13:02:52,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/data/c71b87e28/85de710d4a93451abd1fe8f7733f550b [2020-11-22 13:02:52,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:52,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:52,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:52,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:52,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:52,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:52" (1/1) ... [2020-11-22 13:02:52,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397b706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:52, skipping insertion in model container [2020-11-22 13:02:52,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:52" (1/1) ... [2020-11-22 13:02:52,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:52,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:52,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:52,883 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:02:52,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:53,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:53,020 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:53,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:53,105 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:53,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53 WrapperNode [2020-11-22 13:02:53,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:53,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:53,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:53,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:53,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:53,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:53,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:53,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:53,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... [2020-11-22 13:02:53,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:53,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:53,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:53,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:53,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:02:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:55,629 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:55,629 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-22 13:02:55,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:55 BoogieIcfgContainer [2020-11-22 13:02:55,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:55,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:55,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:55,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:55,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:52" (1/3) ... [2020-11-22 13:02:55,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2e6ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:55, skipping insertion in model container [2020-11-22 13:02:55,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:53" (2/3) ... [2020-11-22 13:02:55,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2e6ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:55, skipping insertion in model container [2020-11-22 13:02:55,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:55" (3/3) ... [2020-11-22 13:02:55,643 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2020-11-22 13:02:55,654 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:55,659 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:02:55,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:02:55,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:55,708 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:55,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:55,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:55,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:55,709 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:55,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:55,709 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-22 13:02:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:02:55,737 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:55,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:55,738 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:55,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:55,744 INFO L82 PathProgramCache]: Analyzing trace with hash -2110279171, now seen corresponding path program 1 times [2020-11-22 13:02:55,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:55,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849614879] [2020-11-22 13:02:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:55,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:02:55,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:55,986 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 13:02:55,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:55,991 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 13:02:55,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849614879] [2020-11-22 13:02:55,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:55,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:02:55,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207645219] [2020-11-22 13:02:55,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:02:55,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:56,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:02:56,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:56,012 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-22 13:02:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:56,042 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-11-22 13:02:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:02:56,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:02:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:56,053 INFO L225 Difference]: With dead ends: 211 [2020-11-22 13:02:56,053 INFO L226 Difference]: Without dead ends: 103 [2020-11-22 13:02:56,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 13:02:56,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-11-22 13:02:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-11-22 13:02:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-22 13:02:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-11-22 13:02:56,099 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-11-22 13:02:56,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:56,099 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-11-22 13:02:56,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:02:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-11-22 13:02:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:02:56,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:56,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:56,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:02:56,312 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:56,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:56,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1364569740, now seen corresponding path program 1 times [2020-11-22 13:02:56,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:56,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836016444] [2020-11-22 13:02:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:56,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:56,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:56,524 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 13:02:56,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:56,534 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 13:02:56,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836016444] [2020-11-22 13:02:56,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:56,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:02:56,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661350547] [2020-11-22 13:02:56,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:56,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:56,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:56,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:56,538 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 4 states. [2020-11-22 13:02:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:56,554 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-11-22 13:02:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:56,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:02:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:56,556 INFO L225 Difference]: With dead ends: 103 [2020-11-22 13:02:56,556 INFO L226 Difference]: Without dead ends: 45 [2020-11-22 13:02:56,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 13:02:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-22 13:02:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-22 13:02:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-22 13:02:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-11-22 13:02:56,564 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-11-22 13:02:56,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:56,564 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-11-22 13:02:56,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-22 13:02:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:02:56,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:56,566 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] [2020-11-22 13:02:56,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:02:56,785 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:56,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:56,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-11-22 13:02:56,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:56,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653047875] [2020-11-22 13:02:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:56,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:56,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:56,965 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 13:02:56,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:56,973 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 13:02:56,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653047875] [2020-11-22 13:02:56,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:56,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:02:56,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878776961] [2020-11-22 13:02:56,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:56,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:56,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:56,975 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2020-11-22 13:02:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:57,005 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2020-11-22 13:02:57,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:02:57,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:02:57,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:57,007 INFO L225 Difference]: With dead ends: 146 [2020-11-22 13:02:57,007 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 13:02:57,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 13:02:57,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 13:02:57,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2020-11-22 13:02:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-11-22 13:02:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2020-11-22 13:02:57,021 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2020-11-22 13:02:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:57,021 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2020-11-22 13:02:57,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2020-11-22 13:02:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:02:57,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:57,023 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 13:02:57,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:02:57,242 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:57,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-11-22 13:02:57,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:57,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015791992] [2020-11-22 13:02:57,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:57,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:57,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:57,462 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 13:02:57,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:57,484 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 13:02:57,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015791992] [2020-11-22 13:02:57,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:57,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:02:57,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130038425] [2020-11-22 13:02:57,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:57,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:57,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:57,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:02:57,488 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2020-11-22 13:02:57,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:57,655 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2020-11-22 13:02:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:02:57,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:02:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:57,658 INFO L225 Difference]: With dead ends: 309 [2020-11-22 13:02:57,659 INFO L226 Difference]: Without dead ends: 251 [2020-11-22 13:02:57,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 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 13:02:57,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-11-22 13:02:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2020-11-22 13:02:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-22 13:02:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2020-11-22 13:02:57,682 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2020-11-22 13:02:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:57,682 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2020-11-22 13:02:57,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2020-11-22 13:02:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:02:57,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:57,684 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 13:02:57,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:02:57,904 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:57,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:57,905 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2020-11-22 13:02:57,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:57,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076652454] [2020-11-22 13:02:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/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 13:02:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:58,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:58,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:58,126 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 13:02:58,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:58,130 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 13:02:58,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076652454] [2020-11-22 13:02:58,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:58,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:02:58,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227432377] [2020-11-22 13:02:58,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:58,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:58,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:58,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:02:58,132 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2020-11-22 13:02:58,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:58,253 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2020-11-22 13:02:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:02:58,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:02:58,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:58,254 INFO L225 Difference]: With dead ends: 312 [2020-11-22 13:02:58,254 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:02:58,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 13:02:58,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:02:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:02:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:02:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:02:58,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 13:02:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:58,257 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:02:58,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:02:58,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:58,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:02:58,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:02:58,894 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,894 INFO L270 CegarLoopResult]: At program point L432(lines 425 435) the Hoare annotation is: false [2020-11-22 13:02:58,894 INFO L270 CegarLoopResult]: At program point L432-1(lines 425 435) the Hoare annotation is: false [2020-11-22 13:02:58,894 INFO L270 CegarLoopResult]: At program point L432-2(lines 425 435) the Hoare annotation is: false [2020-11-22 13:02:58,894 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,895 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,895 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,895 INFO L270 CegarLoopResult]: At program point L235(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,895 INFO L270 CegarLoopResult]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,895 INFO L274 CegarLoopResult]: For program point L169(lines 169 173) no Hoare annotation was computed. [2020-11-22 13:02:58,895 INFO L270 CegarLoopResult]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,895 INFO L270 CegarLoopResult]: At program point L235-3(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,896 INFO L270 CegarLoopResult]: At program point L235-4(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,896 INFO L270 CegarLoopResult]: At program point L235-5(lines 230 238) the Hoare annotation is: false [2020-11-22 13:02:58,896 INFO L270 CegarLoopResult]: At program point L270(lines 265 273) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:58,896 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:58,896 INFO L274 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-11-22 13:02:58,896 INFO L270 CegarLoopResult]: At program point L536-1(lines 536 542) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,896 INFO L274 CegarLoopResult]: For program point L371(lines 371 388) no Hoare annotation was computed. [2020-11-22 13:02:58,897 INFO L274 CegarLoopResult]: For program point L371-1(lines 371 388) no Hoare annotation was computed. [2020-11-22 13:02:58,897 INFO L274 CegarLoopResult]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2020-11-22 13:02:58,897 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-11-22 13:02:58,897 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,897 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-22 13:02:58,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,897 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) 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 13:02:58,898 INFO L270 CegarLoopResult]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-11-22 13:02:58,898 INFO L274 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-11-22 13:02:58,898 INFO L270 CegarLoopResult]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-11-22 13:02:58,898 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 383) no Hoare annotation was computed. [2020-11-22 13:02:58,898 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-11-22 13:02:58,898 INFO L270 CegarLoopResult]: At program point L574(lines 525 575) the Hoare annotation is: false [2020-11-22 13:02:58,898 INFO L274 CegarLoopResult]: For program point L345(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L345-1(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L345-3(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L345-4(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L345-5(lines 345 362) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L270 CegarLoopResult]: At program point L313(lines 312 331) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,899 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:02:58,899 INFO L270 CegarLoopResult]: At program point L313-2(lines 312 331) the Hoare annotation is: false [2020-11-22 13:02:58,900 INFO L270 CegarLoopResult]: At program point L313-3(lines 312 331) the Hoare annotation is: false [2020-11-22 13:02:58,900 INFO L274 CegarLoopResult]: For program point L181(lines 181 185) no Hoare annotation was computed. [2020-11-22 13:02:58,900 INFO L274 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-11-22 13:02:58,900 INFO L270 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,900 INFO L274 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,900 INFO L274 CegarLoopResult]: For program point L349-1(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,900 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point L349-3(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point L349-4(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point L349-5(lines 349 357) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point L285(lines 285 298) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L270 CegarLoopResult]: At program point L285-1(lines 1 956) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,901 INFO L274 CegarLoopResult]: For program point L285-2(lines 285 298) no Hoare annotation was computed. [2020-11-22 13:02:58,901 INFO L270 CegarLoopResult]: At program point L285-3(lines 1 956) the Hoare annotation is: false [2020-11-22 13:02:58,902 INFO L274 CegarLoopResult]: For program point L285-4(lines 285 298) no Hoare annotation was computed. [2020-11-22 13:02:58,902 INFO L270 CegarLoopResult]: At program point L285-5(lines 1 956) the Hoare annotation is: false [2020-11-22 13:02:58,902 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-22 13:02:58,902 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-22 13:02:58,902 INFO L270 CegarLoopResult]: At program point L320(lines 320 326) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,902 INFO L270 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: false [2020-11-22 13:02:58,902 INFO L270 CegarLoopResult]: At program point L320-2(lines 320 326) the Hoare annotation is: false [2020-11-22 13:02:58,902 INFO L274 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point L157-3(lines 157 161) no Hoare annotation was computed. [2020-11-22 13:02:58,903 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L58-1(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L157-6(lines 157 161) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L587-2(line 587) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-11-22 13:02:58,909 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-3(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-5(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-6(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-8(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-9(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-11(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point L490-12(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,910 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:02:58,911 INFO L274 CegarLoopResult]: For program point L490-14(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,911 INFO L274 CegarLoopResult]: For program point L490-15(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,911 INFO L274 CegarLoopResult]: For program point L490-17(lines 490 494) no Hoare annotation was computed. [2020-11-22 13:02:58,911 INFO L270 CegarLoopResult]: At program point L194(lines 189 197) the Hoare annotation is: false [2020-11-22 13:02:58,911 INFO L270 CegarLoopResult]: At program point L194-1(lines 189 197) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,911 INFO L270 CegarLoopResult]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2020-11-22 13:02:58,911 INFO L270 CegarLoopResult]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2020-11-22 13:02:58,912 INFO L270 CegarLoopResult]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2020-11-22 13:02:58,912 INFO L270 CegarLoopResult]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2020-11-22 13:02:58,912 INFO L270 CegarLoopResult]: At program point L262(lines 1 956) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:58,912 INFO L274 CegarLoopResult]: For program point L527(lines 526 573) no Hoare annotation was computed. [2020-11-22 13:02:58,913 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:02:58,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:58,914 INFO L274 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-11-22 13:02:58,914 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-22 13:02:58,914 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-22 13:02:58,914 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-11-22 13:02:58,915 INFO L270 CegarLoopResult]: At program point L562-1(lines 313 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:58,915 INFO L270 CegarLoopResult]: At program point L496(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,915 INFO L270 CegarLoopResult]: At program point L496-1(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,915 INFO L270 CegarLoopResult]: At program point L496-2(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,915 INFO L270 CegarLoopResult]: At program point L496-3(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,916 INFO L270 CegarLoopResult]: At program point L496-4(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,916 INFO L270 CegarLoopResult]: At program point L496-5(lines 481 499) the Hoare annotation is: false [2020-11-22 13:02:58,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:58 BoogieIcfgContainer [2020-11-22 13:02:58,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:58,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:58,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:58,947 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:58,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:55" (3/4) ... [2020-11-22 13:02:58,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:58,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:02:58,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:02:58,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:02:58,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:02:58,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:02:58,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:58,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:59,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:02:59,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_28045eb5-5972-4d3c-8c9e-6896eba12a82/bin/utaipan/witness.graphml [2020-11-22 13:02:59,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:59,120 INFO L168 Benchmark]: Toolchain (without parser) took 6759.53 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 51.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,120 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:59,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.43 ms. Allocated memory is still 75.5 MB. Free memory was 57.9 MB in the beginning and 41.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 37.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,122 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 75.5 MB. Free memory was 37.9 MB in the beginning and 35.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,122 INFO L168 Benchmark]: RCFGBuilder took 2382.84 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 35.1 MB in the beginning and 79.6 MB in the end (delta: -44.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,122 INFO L168 Benchmark]: TraceAbstraction took 3310.07 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 60.2 MB in the end (delta: 19.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,123 INFO L168 Benchmark]: Witness Printer took 171.04 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 51.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:59,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 745.43 ms. Allocated memory is still 75.5 MB. Free memory was 57.9 MB in the beginning and 41.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 37.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 75.5 MB. Free memory was 37.9 MB in the beginning and 35.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2382.84 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 35.1 MB in the beginning and 79.6 MB in the end (delta: -44.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3310.07 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 60.2 MB in the end (delta: 19.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. * Witness Printer took 171.04 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 51.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 597 SDslu, 448 SDs, 0 SdLazy, 67 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 8995 SizeOfPredicates, 8 NumberOfNonLiveVariables, 975 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...