./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ...................................................................................................................................... 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_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 5c8fccd9aead26260fe6c28d5df9729813f96355 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:51:01,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:51:01,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:51:01,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:51:01,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:51:01,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:51:01,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:51:01,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:51:01,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:51:01,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:51:01,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:51:01,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:51:01,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:51:01,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:51:01,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:51:01,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:51:01,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:51:01,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:51:01,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:51:01,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:51:01,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:51:01,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:51:01,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:51:01,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:51:01,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:51:01,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:51:01,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:51:01,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:51:01,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:51:01,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:51:01,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:51:01,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:51:01,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:51:01,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:51:01,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:51:01,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:51:01,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:51:01,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:51:01,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:51:01,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:51:01,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:51:01,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:51:01,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:51:01,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:51:01,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:51:01,537 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:51:01,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:51:01,537 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:51:01,537 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:51:01,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:51:01,538 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:51:01,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:51:01,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:51:01,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:51:01,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:51:01,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:51:01,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:51:01,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:51:01,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:51:01,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:51:01,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:51:01,541 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_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-12-07 16:51:01,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:51:01,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:51:01,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:51:01,652 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:51:01,653 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:51:01,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-12-07 16:51:01,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/787d47c0a/cb7d188c0277446ba1857c630626fcad/FLAG113926d2c [2019-12-07 16:51:02,070 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:51:02,070 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-12-07 16:51:02,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/787d47c0a/cb7d188c0277446ba1857c630626fcad/FLAG113926d2c [2019-12-07 16:51:02,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/787d47c0a/cb7d188c0277446ba1857c630626fcad [2019-12-07 16:51:02,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:51:02,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:51:02,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:02,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:51:02,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:51:02,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:02" (1/1) ... [2019-12-07 16:51:02,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:02, skipping insertion in model container [2019-12-07 16:51:02,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:02" (1/1) ... [2019-12-07 16:51:02,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:51:02,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:51:02,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:02,725 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 16:51:02,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71b725dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:02, skipping insertion in model container [2019-12-07 16:51:02,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:02,726 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:51:02,728 INFO L168 Benchmark]: Toolchain (without parser) took 262.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:02,729 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:51:02,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:02,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 590]: 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 16:51:03,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:51:03,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:51:03,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:51:03,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:51:03,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:51:03,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:51:03,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:51:03,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:51:03,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:51:03,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:51:03,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:51:03,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:51:03,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:51:03,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:51:03,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:51:03,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:51:03,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:51:03,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:51:03,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:51:03,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:51:03,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:51:03,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:51:03,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:51:03,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:51:03,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:51:03,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:51:03,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:51:03,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:51:03,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:51:03,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:51:03,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:51:03,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:51:03,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:51:03,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:51:03,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:51:03,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:51:03,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:51:03,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:51:03,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:51:03,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:51:03,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:51:03,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:51:03,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:51:03,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:51:03,886 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:51:03,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:51:03,886 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:51:03,886 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:51:03,886 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:51:03,887 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:51:03,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:51:03,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:51:03,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:51:03,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:51:03,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:51:03,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:51:03,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:51:03,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:51:03,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:51:03,890 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_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-12-07 16:51:04,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:51:04,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:51:04,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:51:04,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:51:04,081 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:51:04,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-12-07 16:51:04,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/5d7cb30d2/6d495209b8d64497b453d8a66feb86a8/FLAGe77c4d9fa [2019-12-07 16:51:04,493 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:51:04,494 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-12-07 16:51:04,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/5d7cb30d2/6d495209b8d64497b453d8a66feb86a8/FLAGe77c4d9fa [2019-12-07 16:51:04,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/data/5d7cb30d2/6d495209b8d64497b453d8a66feb86a8 [2019-12-07 16:51:04,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:51:04,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:51:04,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:04,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:51:04,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:51:04,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04, skipping insertion in model container [2019-12-07 16:51:04,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:51:04,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:51:04,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:04,772 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:51:04,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:51:04,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:04,821 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:51:04,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:04,883 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:51:04,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04 WrapperNode [2019-12-07 16:51:04,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:04,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:51:04,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:51:04,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:51:04,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:51:04,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:51:04,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:51:04,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:51:04,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... [2019-12-07 16:51:04,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:51:04,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:51:04,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:51:04,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:51:04,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:51:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:51:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:51:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:51:05,403 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:51:05,403 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 16:51:05,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:05 BoogieIcfgContainer [2019-12-07 16:51:05,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:51:05,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:51:05,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:51:05,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:51:05,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:51:04" (1/3) ... [2019-12-07 16:51:05,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcfccb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:51:05, skipping insertion in model container [2019-12-07 16:51:05,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:04" (2/3) ... [2019-12-07 16:51:05,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcfccb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:51:05, skipping insertion in model container [2019-12-07 16:51:05,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:05" (3/3) ... [2019-12-07 16:51:05,410 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-12-07 16:51:05,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:51:05,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:51:05,430 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:51:05,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:51:05,446 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:51:05,446 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:51:05,446 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:51:05,446 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:51:05,446 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:51:05,446 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:51:05,446 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:51:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-12-07 16:51:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:51:05,463 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:51:05,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:05,464 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:51:05,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:05,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2019-12-07 16:51:05,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:51:05,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773464409] [2019-12-07 16:51:05,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:05,620 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:51:05,624 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:05,635 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 16:51:05,635 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:51:05,638 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 16:51:05,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773464409] [2019-12-07 16:51:05,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:05,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:51:05,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144881782] [2019-12-07 16:51:05,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:51:05,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:51:05,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:51:05,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:51:05,655 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-12-07 16:51:05,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:05,673 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-12-07 16:51:05,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:51:05,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:51:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:51:05,682 INFO L225 Difference]: With dead ends: 151 [2019-12-07 16:51:05,682 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 16:51:05,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:51:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 16:51:05,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 16:51:05,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 16:51:05,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-12-07 16:51:05,713 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-12-07 16:51:05,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:51:05,713 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-12-07 16:51:05,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:51:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-12-07 16:51:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:51:05,714 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:51:05,714 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:05,915 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:51:05,916 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:51:05,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:05,917 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2019-12-07 16:51:05,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:51:05,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645705614] [2019-12-07 16:51:05,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:06,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:51:06,162 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:06,174 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 16:51:06,175 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:51:06,184 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 16:51:06,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645705614] [2019-12-07 16:51:06,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:06,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:51:06,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100276598] [2019-12-07 16:51:06,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:51:06,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:51:06,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:06,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:06,187 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2019-12-07 16:51:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:06,198 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-12-07 16:51:06,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:51:06,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:51:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:51:06,199 INFO L225 Difference]: With dead ends: 75 [2019-12-07 16:51:06,199 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 16:51:06,200 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 16:51:06,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 16:51:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 16:51:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 16:51:06,204 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 16:51:06,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:51:06,204 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 16:51:06,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:51:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 16:51:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:51:06,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:51:06,205 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 16:51:06,405 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:51:06,406 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:51:06,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:06,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2019-12-07 16:51:06,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:51:06,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218360726] [2019-12-07 16:51:06,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:06,591 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:51:06,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:06,600 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 16:51:06,600 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:51:06,607 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 16:51:06,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218360726] [2019-12-07 16:51:06,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:06,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:51:06,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217493744] [2019-12-07 16:51:06,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:51:06,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:51:06,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:06,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:06,609 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 16:51:06,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:06,615 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-12-07 16:51:06,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:51:06,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 16:51:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:51:06,617 INFO L225 Difference]: With dead ends: 63 [2019-12-07 16:51:06,617 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 16:51:06,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 16:51:06,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 16:51:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 16:51:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-12-07 16:51:06,621 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-12-07 16:51:06,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:51:06,622 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-12-07 16:51:06,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:51:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-12-07 16:51:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:51:06,622 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:51:06,623 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 16:51:06,823 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:51:06,824 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:51:06,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:06,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2019-12-07 16:51:06,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:51:06,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393467694] [2019-12-07 16:51:06,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:06,961 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:51:06,962 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:06,978 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 16:51:06,978 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:51:06,984 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 16:51:06,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393467694] [2019-12-07 16:51:06,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:06,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:51:06,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342143501] [2019-12-07 16:51:06,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:51:06,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:51:06,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:51:06,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:51:06,986 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-12-07 16:51:07,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:07,064 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-12-07 16:51:07,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:51:07,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:51:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:51:07,066 INFO L225 Difference]: With dead ends: 154 [2019-12-07 16:51:07,066 INFO L226 Difference]: Without dead ends: 126 [2019-12-07 16:51:07,067 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:51:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-12-07 16:51:07,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-12-07 16:51:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 16:51:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-12-07 16:51:07,079 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-12-07 16:51:07,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:51:07,079 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-12-07 16:51:07,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:51:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-12-07 16:51:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:51:07,081 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:51:07,081 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, 1] [2019-12-07 16:51:07,281 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:51:07,282 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:51:07,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:07,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2019-12-07 16:51:07,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:51:07,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431711355] [2019-12-07 16:51:07,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/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 16:51:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:07,386 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:51:07,387 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:07,401 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 16:51:07,401 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:51:07,404 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 16:51:07,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431711355] [2019-12-07 16:51:07,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:07,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:51:07,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958523789] [2019-12-07 16:51:07,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:51:07,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:51:07,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:51:07,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:51:07,406 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-12-07 16:51:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:07,480 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-12-07 16:51:07,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:51:07,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 16:51:07,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:51:07,481 INFO L225 Difference]: With dead ends: 150 [2019-12-07 16:51:07,481 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:51:07,482 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:51:07,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:51:07,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:51:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:51:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:51:07,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 16:51:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:51:07,482 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:51:07,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:51:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:51:07,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:51:07,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:51:07,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:51:07,958 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,959 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 16:51:07,959 INFO L246 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2019-12-07 16:51:07,959 INFO L242 CegarLoopResult]: At program point L168(lines 1 926) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:51:07,959 INFO L242 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,959 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:51:07,959 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 16:51:07,959 INFO L242 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L268-1(lines 268 274) the Hoare annotation is: false [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L268-2(lines 268 274) the Hoare annotation is: false [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L468(lines 463 471) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L468-1(lines 463 471) the Hoare annotation is: false [2019-12-07 16:51:07,960 INFO L242 CegarLoopResult]: At program point L468-2(lines 463 471) the Hoare annotation is: false [2019-12-07 16:51:07,961 INFO L242 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: false [2019-12-07 16:51:07,961 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,961 INFO L246 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,961 INFO L246 CegarLoopResult]: For program point L518-2(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,961 INFO L242 CegarLoopResult]: At program point L419(lines 404 422) the Hoare annotation is: false [2019-12-07 16:51:07,961 INFO L242 CegarLoopResult]: At program point L419-1(lines 404 422) the Hoare annotation is: false [2019-12-07 16:51:07,961 INFO L242 CegarLoopResult]: At program point L419-2(lines 404 422) the Hoare annotation is: false [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point L56-1(lines 261 267) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,962 INFO L246 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2019-12-07 16:51:07,963 INFO L242 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:51:07,963 INFO L246 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-12-07 16:51:07,963 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:51:07,963 INFO L246 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-12-07 16:51:07,963 INFO L242 CegarLoopResult]: At program point L540-1(lines 1 926) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,963 INFO L246 CegarLoopResult]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2019-12-07 16:51:07,963 INFO L242 CegarLoopResult]: At program point L540-3(lines 1 926) the Hoare annotation is: false [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L540-4(lines 540 557) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L242 CegarLoopResult]: At program point L540-5(lines 1 926) the Hoare annotation is: false [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L293-1(lines 293 310) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L293-2(lines 293 310) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L227-2(lines 261 267) no Hoare annotation was computed. [2019-12-07 16:51:07,964 INFO L246 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L261(lines 260 279) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,965 INFO L246 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L261-2(lines 260 279) the Hoare annotation is: false [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L261-3(lines 260 279) the Hoare annotation is: false [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L509(lines 504 512) the Hoare annotation is: false [2019-12-07 16:51:07,965 INFO L242 CegarLoopResult]: At program point L509-1(lines 504 512) the Hoare annotation is: false [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L242 CegarLoopResult]: At program point L509-2(lines 504 512) the Hoare annotation is: false [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-12-07 16:51:07,966 INFO L246 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L297-1(lines 297 305) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2019-12-07 16:51:07,967 INFO L246 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L413-5(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L246 CegarLoopResult]: For program point L413-8(lines 413 417) no Hoare annotation was computed. [2019-12-07 16:51:07,968 INFO L242 CegarLoopResult]: At program point L529(lines 524 531) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:51:07,968 INFO L242 CegarLoopResult]: At program point L364(lines 359 367) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:51:07,969 INFO L242 CegarLoopResult]: At program point L364-1(lines 359 367) the Hoare annotation is: false [2019-12-07 16:51:07,969 INFO L242 CegarLoopResult]: At program point L364-2(lines 359 367) the Hoare annotation is: false [2019-12-07 16:51:07,969 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 16:51:07,969 INFO L246 CegarLoopResult]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2019-12-07 16:51:07,969 INFO L246 CegarLoopResult]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2019-12-07 16:51:07,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:51:07 BoogieIcfgContainer [2019-12-07 16:51:07,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:51:07,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:51:07,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:51:07,985 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:51:07,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:05" (3/4) ... [2019-12-07 16:51:07,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:51:08,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:51:08,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:51:08,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:51:08,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:51:08,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:51:08,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:51:08,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:51:08,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 16:51:08,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07fe8c95-aec7-4473-b932-c0f17f8644e1/bin/utaipan/witness.graphml [2019-12-07 16:51:08,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:51:08,069 INFO L168 Benchmark]: Toolchain (without parser) took 3555.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 953.7 MB in the beginning and 790.7 MB in the end (delta: 163.0 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,069 INFO L168 Benchmark]: CDTParser took 0.16 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 16:51:08,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,070 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:51:08,071 INFO L168 Benchmark]: RCFGBuilder took 450.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,071 INFO L168 Benchmark]: TraceAbstraction took 2579.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 797.9 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,071 INFO L168 Benchmark]: Witness Printer took 82.75 ms. Allocated memory is still 1.1 GB. Free memory was 797.9 MB in the beginning and 790.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:08,073 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 369.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 450.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2579.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 797.9 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. * Witness Printer took 82.75 ms. Allocated memory is still 1.1 GB. Free memory was 797.9 MB in the beginning and 790.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: 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: 260]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 328 SDtfs, 299 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1077 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 116 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 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...