./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b06e5398ffe5c8f069a10044eb2db1dcb4413f82 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:21:49,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:21:49,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:21:49,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:21:49,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:21:49,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:21:49,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:21:49,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:21:49,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:21:49,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:21:49,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:21:49,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:21:49,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:21:49,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:21:49,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:21:49,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:21:49,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:21:49,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:21:49,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:21:49,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:21:49,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:21:49,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:21:49,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:21:49,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:21:49,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:21:49,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:21:49,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:21:49,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:21:49,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:21:49,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:21:49,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:21:49,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:21:49,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:21:49,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:21:49,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:21:49,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:21:49,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:21:49,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:21:49,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:21:49,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:21:49,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:21:49,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:21:49,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:21:49,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:21:49,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:21:49,557 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:21:49,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:21:49,557 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:21:49,558 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:21:49,558 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:21:49,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:21:49,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:21:49,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:21:49,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:21:49,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:21:49,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:21:49,562 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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(__VERIFIER_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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-12-07 20:21:49,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:21:49,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:21:49,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:21:49,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:21:49,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:21:49,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-07 20:21:49,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/4fc47cf17/a8b092d8a2034a23881ee0e99093c171/FLAGb6f98c5c8 [2019-12-07 20:21:50,095 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:21:50,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-07 20:21:50,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/4fc47cf17/a8b092d8a2034a23881ee0e99093c171/FLAGb6f98c5c8 [2019-12-07 20:21:50,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/4fc47cf17/a8b092d8a2034a23881ee0e99093c171 [2019-12-07 20:21:50,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:21:50,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:21:50,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:21:50,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:21:50,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:21:50,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:21:50" (1/1) ... [2019-12-07 20:21:50,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cd79c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:50, skipping insertion in model container [2019-12-07 20:21:50,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:21:50" (1/1) ... [2019-12-07 20:21:50,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:21:50,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:21:50,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:21:50,358 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) [2019-12-07 20:21:50,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@175ed5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:50, skipping insertion in model container [2019-12-07 20:21:50,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:21:50,359 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:21:50,361 INFO L168 Benchmark]: Toolchain (without parser) took 245.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:50,361 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:50,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:50,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 0.1.25-f470102 [2019-12-07 20:21:51,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:21:51,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:21:51,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:21:51,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:21:51,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:21:51,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:21:51,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:21:51,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:21:51,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:21:51,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:21:51,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:21:51,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:21:51,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:21:51,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:21:51,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:21:51,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:21:51,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:21:51,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:21:51,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:21:51,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:21:51,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:21:51,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:21:51,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:21:51,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:21:51,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:21:51,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:21:51,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:21:51,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:21:51,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:21:51,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:21:51,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:21:51,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:21:51,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:21:51,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:21:51,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:21:51,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:21:51,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:21:51,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:21:51,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:21:51,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:21:51,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:21:51,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:21:51,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:21:51,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:21:51,582 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:21:51,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:21:51,583 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:21:51,583 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:21:51,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:21:51,583 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:21:51,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:21:51,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:21:51,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:21:51,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:21:51,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:21:51,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:21:51,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:21:51,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:21:51,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:21:51,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:21:51,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:21:51,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:21:51,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:21:51,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:21:51,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:21:51,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:21:51,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:21:51,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:21:51,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:21:51,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:21:51,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:21:51,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:21:51,588 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:21:51,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:21:51,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:21:51,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:21:51,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:21:51,589 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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(__VERIFIER_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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-12-07 20:21:51,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:21:51,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:21:51,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:21:51,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:21:51,762 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:21:51,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-07 20:21:51,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/5aee876a8/2b7fa152e2404d219974f7fe9c6c03df/FLAG9c6b02cc5 [2019-12-07 20:21:52,278 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:21:52,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-07 20:21:52,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/5aee876a8/2b7fa152e2404d219974f7fe9c6c03df/FLAG9c6b02cc5 [2019-12-07 20:21:52,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/data/5aee876a8/2b7fa152e2404d219974f7fe9c6c03df [2019-12-07 20:21:52,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:21:52,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:21:52,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:21:52,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:21:52,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:21:52,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:21:52" (1/1) ... [2019-12-07 20:21:52,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:52, skipping insertion in model container [2019-12-07 20:21:52,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:21:52" (1/1) ... [2019-12-07 20:21:52,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:21:52,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:21:53,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:21:53,063 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:21:53,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:21:53,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:21:53,110 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:21:53,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:21:53,173 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:21:53,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53 WrapperNode [2019-12-07 20:21:53,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:21:53,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:21:53,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:21:53,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:21:53,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:21:53,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:21:53,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:21:53,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:21:53,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... [2019-12-07 20:21:53,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:21:53,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:21:53,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:21:53,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:21:53,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:21:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:21:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:21:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:21:53,780 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:21:53,780 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 20:21:53,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:21:53 BoogieIcfgContainer [2019-12-07 20:21:53,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:21:53,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:21:53,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:21:53,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:21:53,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:21:52" (1/3) ... [2019-12-07 20:21:53,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceb6b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:21:53, skipping insertion in model container [2019-12-07 20:21:53,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:21:53" (2/3) ... [2019-12-07 20:21:53,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceb6b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:21:53, skipping insertion in model container [2019-12-07 20:21:53,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:21:53" (3/3) ... [2019-12-07 20:21:53,787 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2019-12-07 20:21:53,794 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:21:53,799 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:21:53,807 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:21:53,825 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:21:53,825 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:21:53,825 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:21:53,825 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:21:53,825 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:21:53,826 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:21:53,826 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:21:53,826 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:21:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-12-07 20:21:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:21:53,843 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:21:53,844 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:21:53,844 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:21:53,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:21:53,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-12-07 20:21:53,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:21:53,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88002902] [2019-12-07 20:21:53,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:21:53,984 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:21:53,988 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:21:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:53,998 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:21:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:54,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88002902] [2019-12-07 20:21:54,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:21:54,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:21:54,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437516106] [2019-12-07 20:21:54,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:21:54,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:21:54,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:21:54,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:21:54,017 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-12-07 20:21:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:21:54,038 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-12-07 20:21:54,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:21:54,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:21:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:21:54,047 INFO L225 Difference]: With dead ends: 208 [2019-12-07 20:21:54,047 INFO L226 Difference]: Without dead ends: 103 [2019-12-07 20:21:54,050 INFO L630 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 [2019-12-07 20:21:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-12-07 20:21:54,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-12-07 20:21:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 20:21:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-12-07 20:21:54,080 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-12-07 20:21:54,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:21:54,080 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-12-07 20:21:54,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:21:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-12-07 20:21:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:21:54,081 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:21:54,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:21:54,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:21:54,283 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:21:54,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:21:54,284 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-12-07 20:21:54,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:21:54,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827923177] [2019-12-07 20:21:54,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:21:54,448 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:21:54,450 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:21:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:54,463 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:21:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:54,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827923177] [2019-12-07 20:21:54,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:21:54,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:21:54,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105993024] [2019-12-07 20:21:54,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:21:54,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:21:54,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:21:54,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:21:54,475 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 4 states. [2019-12-07 20:21:54,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:21:54,490 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-12-07 20:21:54,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:21:54,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:21:54,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:21:54,492 INFO L225 Difference]: With dead ends: 103 [2019-12-07 20:21:54,492 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 20:21:54,493 INFO L630 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 [2019-12-07 20:21:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 20:21:54,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 20:21:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 20:21:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 20:21:54,499 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-12-07 20:21:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:21:54,500 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 20:21:54,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:21:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 20:21:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:21:54,501 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:21:54,501 INFO L410 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] [2019-12-07 20:21:54,702 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:21:54,702 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:21:54,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:21:54,703 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-12-07 20:21:54,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:21:54,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710012196] [2019-12-07 20:21:54,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:21:54,941 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:21:54,942 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:21:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:54,949 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:21:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:54,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710012196] [2019-12-07 20:21:54,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:21:54,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:21:54,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275590890] [2019-12-07 20:21:54,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:21:54,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:21:54,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:21:54,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:21:54,959 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2019-12-07 20:21:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:21:55,017 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-12-07 20:21:55,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:21:55,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:21:55,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:21:55,019 INFO L225 Difference]: With dead ends: 146 [2019-12-07 20:21:55,019 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 20:21:55,020 INFO L630 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 [2019-12-07 20:21:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 20:21:55,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-12-07 20:21:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-07 20:21:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-12-07 20:21:55,028 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-12-07 20:21:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:21:55,029 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-12-07 20:21:55,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:21:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-12-07 20:21:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:21:55,030 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:21:55,030 INFO L410 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] [2019-12-07 20:21:55,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:21:55,232 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:21:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:21:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-12-07 20:21:55,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:21:55,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951840836] [2019-12-07 20:21:55,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:21:55,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:21:55,456 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:21:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:55,472 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:21:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:55,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951840836] [2019-12-07 20:21:55,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:21:55,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:21:55,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312205584] [2019-12-07 20:21:55,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:21:55,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:21:55,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:21:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:21:55,481 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-12-07 20:21:55,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:21:55,566 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-12-07 20:21:55,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:21:55,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 20:21:55,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:21:55,568 INFO L225 Difference]: With dead ends: 309 [2019-12-07 20:21:55,568 INFO L226 Difference]: Without dead ends: 251 [2019-12-07 20:21:55,569 INFO L630 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 [2019-12-07 20:21:55,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-12-07 20:21:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-12-07 20:21:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-07 20:21:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-12-07 20:21:55,583 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-12-07 20:21:55,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:21:55,583 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-12-07 20:21:55,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:21:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-12-07 20:21:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:21:55,584 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:21:55,584 INFO L410 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] [2019-12-07 20:21:55,785 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:21:55,786 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:21:55,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:21:55,787 INFO L82 PathProgramCache]: Analyzing trace with hash -235423010, now seen corresponding path program 1 times [2019-12-07 20:21:55,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:21:55,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234305128] [2019-12-07 20:21:55,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/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 [2019-12-07 20:21:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:21:55,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:21:55,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:21:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:55,960 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:21:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:21:55,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234305128] [2019-12-07 20:21:55,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:21:55,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:21:55,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147874325] [2019-12-07 20:21:55,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:21:55,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:21:55,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:21:55,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:21:55,965 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-12-07 20:21:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:21:56,053 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-12-07 20:21:56,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:21:56,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:21:56,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:21:56,054 INFO L225 Difference]: With dead ends: 312 [2019-12-07 20:21:56,054 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:21:56,056 INFO L630 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 [2019-12-07 20:21:56,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:21:56,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:21:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:21:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:21:56,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 20:21:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:21:56,057 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:21:56,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:21:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:21:56,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:21:56,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:21:56,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-3(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-5(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-6(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-8(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-9(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-11(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-12(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-14(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,526 INFO L246 CegarLoopResult]: For program point L828-15(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L246 CegarLoopResult]: For program point L828-17(lines 828 832) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L249 CegarLoopResult]: At program point L962(lines 943 965) the Hoare annotation is: true [2019-12-07 20:21:56,527 INFO L242 CegarLoopResult]: At program point L632(lines 581 633) the Hoare annotation is: false [2019-12-07 20:21:56,527 INFO L242 CegarLoopResult]: At program point L930(lines 926 932) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:21:56,527 INFO L242 CegarLoopResult]: At program point L535(lines 530 538) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:21:56,527 INFO L246 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L246 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L246 CegarLoopResult]: For program point L866-2(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L246 CegarLoopResult]: For program point L602(lines 602 608) no Hoare annotation was computed. [2019-12-07 20:21:56,527 INFO L242 CegarLoopResult]: At program point L602-1(lines 602 608) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,527 INFO L242 CegarLoopResult]: At program point L834(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L834-1(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L834-2(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L834-3(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L834-4(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L834-5(lines 819 837) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L770(lines 763 773) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L242 CegarLoopResult]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2019-12-07 20:21:56,528 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L242 CegarLoopResult]: At program point L842-1(lines 842 848) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L612(lines 612 627) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L242 CegarLoopResult]: At program point L779(lines 774 782) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,529 INFO L242 CegarLoopResult]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L242 CegarLoopResult]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L583(lines 582 631) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L550(lines 550 563) no Hoare annotation was computed. [2019-12-07 20:21:56,529 INFO L242 CegarLoopResult]: At program point L550-1(lines 1 965) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,529 INFO L246 CegarLoopResult]: For program point L550-2(lines 550 563) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L242 CegarLoopResult]: At program point L550-3(lines 1 965) the Hoare annotation is: false [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L550-4(lines 550 563) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L242 CegarLoopResult]: At program point L550-5(lines 1 965) the Hoare annotation is: false [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683-3(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683-4(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L683-5(lines 683 700) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-12-07 20:21:56,530 INFO L242 CegarLoopResult]: At program point L882-2(lines 882 896) the Hoare annotation is: false [2019-12-07 20:21:56,531 INFO L242 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L242 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-12-07 20:21:56,531 INFO L242 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L620(lines 620 626) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L242 CegarLoopResult]: At program point L620-1(lines 651 657) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L554(lines 554 560) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L554-2(lines 554 560) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L554-4(lines 554 560) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,531 INFO L246 CegarLoopResult]: For program point L687-3(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point L687-4(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point L687-5(lines 687 695) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: false [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456-3(lines 451 459) the Hoare annotation is: false [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456-4(lines 451 459) the Hoare annotation is: false [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L456-5(lines 451 459) the Hoare annotation is: false [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point L886-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L246 CegarLoopResult]: For program point L953(lines 953 960) no Hoare annotation was computed. [2019-12-07 20:21:56,532 INFO L249 CegarLoopResult]: At program point L953-1(lines 953 960) the Hoare annotation is: true [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,532 INFO L242 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L246 CegarLoopResult]: For program point L592(lines 592 598) no Hoare annotation was computed. [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L592-1(lines 592 598) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L527(lines 1 965) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:21:56,533 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:21:56,533 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L497-3(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,533 INFO L242 CegarLoopResult]: At program point L497-4(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,534 INFO L242 CegarLoopResult]: At program point L497-5(lines 492 500) the Hoare annotation is: false [2019-12-07 20:21:56,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:21:56 BoogieIcfgContainer [2019-12-07 20:21:56,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:21:56,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:21:56,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:21:56,548 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:21:56,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:21:53" (3/4) ... [2019-12-07 20:21:56,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:21:56,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:21:56,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:21:56,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:21:56,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:21:56,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:21:56,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:21:56,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:21:56,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:21:56,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7a4bb534-ec2c-402b-8fc7-d435c50c4c96/bin/utaipan/witness.graphml [2019-12-07 20:21:56,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:21:56,629 INFO L168 Benchmark]: Toolchain (without parser) took 3822.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:56,629 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:56,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:56,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:56,630 INFO L168 Benchmark]: Boogie Preprocessor took 32.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:56,630 INFO L168 Benchmark]: RCFGBuilder took 531.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:56,630 INFO L168 Benchmark]: TraceAbstraction took 2765.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -158.5 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:56,630 INFO L168 Benchmark]: Witness Printer took 80.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:56,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 531.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2765.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -158.5 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. * Witness Printer took 80.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 866]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 866]: 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: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 434 SDtfs, 569 SDslu, 476 SDs, 0 SdLazy, 69 SolverSat, 15 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 7084 SizeOfPredicates, 8 NumberOfNonLiveVariables, 908 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...