./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ............................................................................................................................................ 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_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:59:24,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:24,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:24,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:24,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:24,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:24,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:24,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:24,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:24,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:24,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:24,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:24,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:24,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:24,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:24,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:24,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:24,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:24,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:24,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:24,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:24,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:24,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:24,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:24,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:24,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:24,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:24,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:24,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:24,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:24,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:24,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:24,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:24,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:24,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:24,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:24,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:24,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:24,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:24,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:24,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:24,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:24,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:24,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:24,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:24,813 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:24,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:24,814 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:24,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:24,814 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:24,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:24,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:24,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:24,815 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:24,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:24,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:24,816 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:24,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:24,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:24,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:24,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:24,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:24,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:24,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:24,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:24,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:24,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:24,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:24,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:24,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:24,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:24,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:24,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:24,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:24,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:24,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:24,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:24,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:24,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:24,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:24,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:24,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:24,823 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_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-11-22 12:59:25,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:25,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:25,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:25,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:25,130 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:25,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-22 12:59:25,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/66d3ad222/4bac6caa606d466cbc634462372c00b8/FLAGf78f674b1 [2020-11-22 12:59:25,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:25,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-22 12:59:25,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/66d3ad222/4bac6caa606d466cbc634462372c00b8/FLAGf78f674b1 [2020-11-22 12:59:26,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/66d3ad222/4bac6caa606d466cbc634462372c00b8 [2020-11-22 12:59:26,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:26,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:26,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:26,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:26,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:26" (1/1) ... [2020-11-22 12:59:26,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276c2a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:26, skipping insertion in model container [2020-11-22 12:59:26,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:26" (1/1) ... [2020-11-22 12:59:26,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:26,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:26,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:26,570 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 12:59:26,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@514f7162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:26, skipping insertion in model container [2020-11-22 12:59:26,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:26,572 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:26,575 INFO L168 Benchmark]: Toolchain (without parser) took 538.54 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.5 MB in the beginning and 91.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:26,575 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:26,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.19 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.2 MB in the beginning and 91.2 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:26,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.19 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.2 MB in the beginning and 91.2 MB in the end (delta: -27.1 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: 504]: 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 12:59:28,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:28,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:28,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:28,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:28,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:28,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:28,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:28,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:28,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:28,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:28,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:28,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:28,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:28,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:28,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:28,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:28,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:28,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:28,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:28,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:28,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:28,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:28,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:28,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:28,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:28,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:28,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:28,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:28,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:28,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:28,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:28,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:28,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:28,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:28,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:28,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:28,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:28,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:28,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:28,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:28,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:28,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:28,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:28,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:28,951 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:28,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:28,951 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:28,952 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:28,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:28,952 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:28,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:28,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:28,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:28,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:28,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:28,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:28,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:28,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:28,957 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:28,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:28,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:28,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:28,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:28,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:28,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:28,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:28,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:28,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:28,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:28,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:28,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:28,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:28,960 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:28,960 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:28,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:28,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:28,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:28,961 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_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-11-22 12:59:29,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:29,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:29,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:29,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:29,409 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:29,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-22 12:59:29,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/9f59a38dc/d7dc996ea9e149eaa4a14594d7f5e41d/FLAG05d7e4e67 [2020-11-22 12:59:30,030 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:30,031 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-22 12:59:30,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/9f59a38dc/d7dc996ea9e149eaa4a14594d7f5e41d/FLAG05d7e4e67 [2020-11-22 12:59:30,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/data/9f59a38dc/d7dc996ea9e149eaa4a14594d7f5e41d [2020-11-22 12:59:30,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:30,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:30,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:30,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:30,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:30,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b499c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30, skipping insertion in model container [2020-11-22 12:59:30,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:30,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,795 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:30,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,935 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:31,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:31,084 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:31,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31 WrapperNode [2020-11-22 12:59:31,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:31,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:31,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:31,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:31,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:31,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:31,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:31,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:31,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:31,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:31,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:31,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:31,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:33,859 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:33,860 INFO L298 CfgBuilder]: Removed 162 assume(true) statements. [2020-11-22 12:59:33,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33 BoogieIcfgContainer [2020-11-22 12:59:33,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:33,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:33,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:33,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:33,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:30" (1/3) ... [2020-11-22 12:59:33,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5327a15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31" (2/3) ... [2020-11-22 12:59:33,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5327a15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/3) ... [2020-11-22 12:59:33,873 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2020-11-22 12:59:33,884 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:33,889 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:33,902 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:33,930 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:33,930 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:33,930 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:33,930 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:33,930 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:33,930 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:33,930 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:33,931 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-22 12:59:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:59:33,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:33,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:33,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash -965693148, now seen corresponding path program 1 times [2020-11-22 12:59:33,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:33,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137144557] [2020-11-22 12:59:33,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,230 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 12:59:34,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,235 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 12:59:34,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137144557] [2020-11-22 12:59:34,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:34,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371198942] [2020-11-22 12:59:34,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:34,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:34,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:34,257 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-22 12:59:34,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,315 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-11-22 12:59:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:34,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:59:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,334 INFO L225 Difference]: With dead ends: 207 [2020-11-22 12:59:34,334 INFO L226 Difference]: Without dead ends: 101 [2020-11-22 12:59:34,337 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 12:59:34,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-22 12:59:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-11-22 12:59:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-22 12:59:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-11-22 12:59:34,380 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-11-22 12:59:34,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,380 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-11-22 12:59:34,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-11-22 12:59:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:59:34,381 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,381 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 12:59:34,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,594 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2012450045, now seen corresponding path program 1 times [2020-11-22 12:59:34,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111432101] [2020-11-22 12:59:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,825 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 12:59:34,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,848 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 12:59:34,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111432101] [2020-11-22 12:59:34,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:34,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500216867] [2020-11-22 12:59:34,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:34,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:34,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,852 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 4 states. [2020-11-22 12:59:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,880 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-11-22 12:59:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:34,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:59:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,886 INFO L225 Difference]: With dead ends: 101 [2020-11-22 12:59:34,886 INFO L226 Difference]: Without dead ends: 43 [2020-11-22 12:59:34,888 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 12:59:34,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-22 12:59:34,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-22 12:59:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-22 12:59:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-11-22 12:59:34,902 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-11-22 12:59:34,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,904 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-11-22 12:59:34,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-11-22 12:59:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:34,907 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,907 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 12:59:35,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:35,122 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:35,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:35,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-11-22 12:59:35,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:35,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587398834] [2020-11-22 12:59:35,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:35,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:35,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:35,446 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 12:59:35,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:35,455 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 12:59:35,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587398834] [2020-11-22 12:59:35,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:35,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:35,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156801384] [2020-11-22 12:59:35,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:35,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:35,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:35,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:35,458 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 4 states. [2020-11-22 12:59:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:35,479 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-11-22 12:59:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:35,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:59:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:35,481 INFO L225 Difference]: With dead ends: 80 [2020-11-22 12:59:35,483 INFO L226 Difference]: Without dead ends: 43 [2020-11-22 12:59:35,484 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 12:59:35,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-22 12:59:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-22 12:59:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-22 12:59:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-11-22 12:59:35,494 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-11-22 12:59:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:35,495 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-11-22 12:59:35,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-11-22 12:59:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:59:35,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:35,497 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 12:59:35,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:35,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:35,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:35,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-11-22 12:59:35,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:35,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085137668] [2020-11-22 12:59:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:35,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:35,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:35,946 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 12:59:35,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:35,969 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 12:59:35,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085137668] [2020-11-22 12:59:35,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:35,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:59:35,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213180846] [2020-11-22 12:59:35,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:35,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:35,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:35,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:35,971 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-11-22 12:59:36,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:36,144 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-11-22 12:59:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:36,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:59:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:36,146 INFO L225 Difference]: With dead ends: 204 [2020-11-22 12:59:36,146 INFO L226 Difference]: Without dead ends: 167 [2020-11-22 12:59:36,147 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 12:59:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-22 12:59:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-11-22 12:59:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-22 12:59:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-11-22 12:59:36,162 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-11-22 12:59:36,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:36,162 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-11-22 12:59:36,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-11-22 12:59:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:59:36,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:36,164 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 12:59:36,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,365 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:36,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:36,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2020-11-22 12:59:36,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:36,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908684297] [2020-11-22 12:59:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/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 12:59:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:36,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:36,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:36,557 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 12:59:36,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:36,562 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 12:59:36,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908684297] [2020-11-22 12:59:36,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:36,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:36,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269474567] [2020-11-22 12:59:36,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:36,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:36,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:36,565 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-11-22 12:59:36,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:36,685 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-11-22 12:59:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:36,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 12:59:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:36,687 INFO L225 Difference]: With dead ends: 174 [2020-11-22 12:59:36,687 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:36,688 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 12:59:36,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:36,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:36,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 12:59:36,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:36,689 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:36,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:36,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:36,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:37,443 INFO L270 CegarLoopResult]: At program point L927(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,443 INFO L270 CegarLoopResult]: At program point L927-1(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,443 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:59:37,443 INFO L270 CegarLoopResult]: At program point L927-2(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,443 INFO L270 CegarLoopResult]: At program point L927-3(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,444 INFO L270 CegarLoopResult]: At program point L927-4(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,444 INFO L270 CegarLoopResult]: At program point L927-5(lines 922 930) the Hoare annotation is: false [2020-11-22 12:59:37,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,444 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,444 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,444 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,444 INFO L274 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-11-22 12:59:37,444 INFO L277 CegarLoopResult]: At program point L400-1(lines 400 407) the Hoare annotation is: true [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,445 INFO L274 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L274 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L274 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L274 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L274 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-11-22 12:59:37,446 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,446 INFO L270 CegarLoopResult]: At program point L436(lines 1 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2020-11-22 12:59:37,447 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L374(lines 370 376) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,447 INFO L270 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,448 INFO L270 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,448 INFO L270 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2020-11-22 12:59:37,448 INFO L274 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-11-22 12:59:37,448 INFO L274 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-11-22 12:59:37,448 INFO L274 CegarLoopResult]: For program point L936-2(line 936) no Hoare annotation was computed. [2020-11-22 12:59:37,448 INFO L277 CegarLoopResult]: At program point L409(lines 390 412) the Hoare annotation is: true [2020-11-22 12:59:37,448 INFO L270 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2020-11-22 12:59:37,448 INFO L270 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2020-11-22 12:59:37,449 INFO L270 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2020-11-22 12:59:37,449 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-11-22 12:59:37,452 INFO L270 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,452 INFO L274 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-11-22 12:59:37,453 INFO L270 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,453 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-11-22 12:59:37,453 INFO L274 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-11-22 12:59:37,453 INFO L274 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-11-22 12:59:37,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:37,453 INFO L270 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,453 INFO L270 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2020-11-22 12:59:37,454 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-11-22 12:59:37,454 INFO L270 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2020-11-22 12:59:37,454 INFO L274 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-11-22 12:59:37,454 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-11-22 12:59:37,455 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-11-22 12:59:37,455 INFO L274 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2020-11-22 12:59:37,455 INFO L274 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2020-11-22 12:59:37,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-11-22 12:59:37,456 INFO L274 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2020-11-22 12:59:37,457 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,457 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-11-22 12:59:37,457 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L886(lines 881 889) the Hoare annotation is: false [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L886-1(lines 881 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L886-2(lines 881 889) the Hoare annotation is: false [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L886-3(lines 881 889) the Hoare annotation is: false [2020-11-22 12:59:37,458 INFO L270 CegarLoopResult]: At program point L886-4(lines 881 889) the Hoare annotation is: false [2020-11-22 12:59:37,459 INFO L270 CegarLoopResult]: At program point L886-5(lines 881 889) the Hoare annotation is: false [2020-11-22 12:59:37,459 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:37,459 INFO L274 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-11-22 12:59:37,459 INFO L270 CegarLoopResult]: At program point L458-1(lines 1 939) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,459 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2020-11-22 12:59:37,459 INFO L270 CegarLoopResult]: At program point L458-3(lines 1 939) the Hoare annotation is: false [2020-11-22 12:59:37,459 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2020-11-22 12:59:37,459 INFO L270 CegarLoopResult]: At program point L458-5(lines 1 939) the Hoare annotation is: false [2020-11-22 12:59:37,459 INFO L270 CegarLoopResult]: At program point L326-2(lines 326 340) the Hoare annotation is: false [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2020-11-22 12:59:37,460 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-11-22 12:59:37,461 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-11-22 12:59:37,461 INFO L274 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2020-11-22 12:59:37,461 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:37,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:37,461 INFO L274 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-11-22 12:59:37,462 INFO L274 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2020-11-22 12:59:37,462 INFO L274 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-11-22 12:59:37,462 INFO L274 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2020-11-22 12:59:37,462 INFO L274 CegarLoopResult]: For program point L330-1(lines 59 65) no Hoare annotation was computed. [2020-11-22 12:59:37,462 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:37,462 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-11-22 12:59:37,462 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-11-22 12:59:37,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:37 BoogieIcfgContainer [2020-11-22 12:59:37,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:37,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:37,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:37,497 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:37,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/4) ... [2020-11-22 12:59:37,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:37,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:37,535 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:37,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:37,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:37,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:37,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:37,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:37,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:59:37,640 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6848a40d-ce4c-408d-8c5d-410ace7bf03f/bin/utaipan/witness.graphml [2020-11-22 12:59:37,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:37,642 INFO L168 Benchmark]: Toolchain (without parser) took 7311.79 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 47.7 MB in the beginning and 28.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,642 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:37,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.32 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 33.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.37 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 66.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,644 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 ms. Allocated memory is still 83.9 MB. Free memory was 66.5 MB in the beginning and 64.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,644 INFO L168 Benchmark]: RCFGBuilder took 2583.05 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 55.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,644 INFO L168 Benchmark]: TraceAbstraction took 3630.56 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 55.2 MB in the beginning and 37.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,645 INFO L168 Benchmark]: Witness Printer took 143.08 ms. Allocated memory is still 111.1 MB. Free memory was 37.9 MB in the beginning and 28.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:37,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 754.32 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 33.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.37 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 66.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.23 ms. Allocated memory is still 83.9 MB. Free memory was 66.5 MB in the beginning and 64.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2583.05 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 55.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3630.56 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 55.2 MB in the beginning and 37.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * Witness Printer took 143.08 ms. Allocated memory is still 111.1 MB. Free memory was 37.9 MB in the beginning and 28.5 MB in the end (delta: 9.4 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: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 460 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 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=108occurred in iteration=0, 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 155 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1005 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s 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...