./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.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_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ...................................................................................................................................... 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_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:16:00,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:16:00,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:16:00,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:16:00,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:16:00,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:16:00,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:16:00,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:16:00,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:16:00,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:16:00,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:16:00,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:16:00,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:16:00,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:16:00,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:16:00,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:16:00,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:16:00,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:16:00,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:16:00,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:16:00,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:16:00,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:16:00,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:16:00,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:16:00,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:16:00,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:16:00,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:16:00,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:16:00,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:16:00,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:16:00,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:16:00,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:16:00,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:16:00,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:16:00,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:16:00,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:16:00,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:16:00,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:16:00,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:16:00,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:16:00,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:16:00,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:16:00,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:16:00,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:16:00,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:16:00,668 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:16:00,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:16:00,669 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:16:00,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:16:00,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:16:00,670 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:16:00,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:16:00,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:16:00,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:16:00,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:16:00,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:16:00,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:16:00,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:16:00,673 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_72e32bc7-a588-4008-b59d-a042443dfd36/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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2019-12-07 13:16:00,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:16:00,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:16:00,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:16:00,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:16:00,786 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:16:00,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-12-07 13:16:00,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/5d2c94864/40ad458d9c3349ddab50331020144c2b/FLAG856c8f93b [2019-12-07 13:16:01,278 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:16:01,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-12-07 13:16:01,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/5d2c94864/40ad458d9c3349ddab50331020144c2b/FLAG856c8f93b [2019-12-07 13:16:01,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/5d2c94864/40ad458d9c3349ddab50331020144c2b [2019-12-07 13:16:01,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:16:01,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:16:01,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:16:01,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:16:01,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:16:01,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:01" (1/1) ... [2019-12-07 13:16:01,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:01, skipping insertion in model container [2019-12-07 13:16:01,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:01" (1/1) ... [2019-12-07 13:16:01,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:16:01,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:16:01,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:16:01,567 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 13:16:01,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fbe535a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:01, skipping insertion in model container [2019-12-07 13:16:01,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:16:01,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:16:01,570 INFO L168 Benchmark]: Toolchain (without parser) took 268.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:01,570 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 13:16:01,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:01,572 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 266.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 313]: 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 13:16:02,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:16:02,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:16:02,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:16:02,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:16:02,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:16:02,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:16:02,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:16:02,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:16:02,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:16:02,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:16:02,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:16:02,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:16:02,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:16:02,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:16:02,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:16:02,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:16:02,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:16:02,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:16:02,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:16:02,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:16:02,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:16:02,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:16:02,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:16:02,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:16:02,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:16:02,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:16:02,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:16:02,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:16:02,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:16:02,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:16:02,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:16:02,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:16:02,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:16:02,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:16:02,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:16:02,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:16:02,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:16:02,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:16:02,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:16:02,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:16:02,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:16:02,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:16:02,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:16:02,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:16:02,735 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:16:02,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:16:02,736 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:16:02,736 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:16:02,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:16:02,736 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:16:02,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:16:02,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:16:02,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:16:02,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:16:02,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:16:02,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:16:02,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:16:02,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:16:02,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:16:02,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:16:02,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:16:02,740 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_72e32bc7-a588-4008-b59d-a042443dfd36/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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2019-12-07 13:16:02,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:16:02,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:16:02,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:16:02,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:16:02,915 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:16:02,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-12-07 13:16:02,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/223d78839/d7169032ce26460abf69e9843fb88cd0/FLAGb795f7912 [2019-12-07 13:16:03,330 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:16:03,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-12-07 13:16:03,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/223d78839/d7169032ce26460abf69e9843fb88cd0/FLAGb795f7912 [2019-12-07 13:16:03,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/data/223d78839/d7169032ce26460abf69e9843fb88cd0 [2019-12-07 13:16:03,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:16:03,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:16:03,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:16:03,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:16:03,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:16:03,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03, skipping insertion in model container [2019-12-07 13:16:03,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:16:03,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:16:03,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:16:03,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:16:03,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:16:03,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:16:03,653 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:16:03,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:16:03,714 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:16:03,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03 WrapperNode [2019-12-07 13:16:03,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:16:03,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:16:03,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:16:03,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:16:03,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:16:03,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:16:03,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:16:03,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:16:03,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... [2019-12-07 13:16:03,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:16:03,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:16:03,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:16:03,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:16:03,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:16:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:16:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:16:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:16:04,277 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:16:04,278 INFO L287 CfgBuilder]: Removed 106 assume(true) statements. [2019-12-07 13:16:04,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:04 BoogieIcfgContainer [2019-12-07 13:16:04,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:16:04,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:16:04,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:16:04,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:16:04,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:16:03" (1/3) ... [2019-12-07 13:16:04,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5996f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:16:04, skipping insertion in model container [2019-12-07 13:16:04,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:03" (2/3) ... [2019-12-07 13:16:04,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5996f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:16:04, skipping insertion in model container [2019-12-07 13:16:04,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:04" (3/3) ... [2019-12-07 13:16:04,284 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2019-12-07 13:16:04,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:16:04,296 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:16:04,304 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:16:04,320 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:16:04,320 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:16:04,320 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:16:04,320 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:16:04,320 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:16:04,320 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:16:04,320 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:16:04,320 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:16:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 13:16:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:16:04,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:16:04,336 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 13:16:04,336 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:16:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:16:04,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2019-12-07 13:16:04,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:16:04,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740801650] [2019-12-07 13:16:04,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:16:04,477 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:16:04,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:16:04,491 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 13:16:04,492 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:16:04,495 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 13:16:04,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740801650] [2019-12-07 13:16:04,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:16:04,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:16:04,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159689461] [2019-12-07 13:16:04,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:16:04,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:16:04,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:16:04,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:16:04,510 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 13:16:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:16:04,528 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 13:16:04,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:16:04,529 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:16:04,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:16:04,538 INFO L225 Difference]: With dead ends: 148 [2019-12-07 13:16:04,538 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 13:16:04,540 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 13:16:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 13:16:04,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 13:16:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 13:16:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 13:16:04,568 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-12-07 13:16:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:16:04,568 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 13:16:04,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:16:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 13:16:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:16:04,569 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:16:04,569 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 13:16:04,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:16:04,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:16:04,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:16:04,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2019-12-07 13:16:04,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:16:04,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236287823] [2019-12-07 13:16:04,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:16:04,918 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:16:04,920 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:16:04,936 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 13:16:04,936 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:16:04,944 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 13:16:04,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236287823] [2019-12-07 13:16:04,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:16:04,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:16:04,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794247005] [2019-12-07 13:16:04,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:16:04,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:16:04,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:16:04,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:16:04,947 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 13:16:04,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:16:04,957 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 13:16:04,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:16:04,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:16:04,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:16:04,959 INFO L225 Difference]: With dead ends: 73 [2019-12-07 13:16:04,959 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 13:16:04,960 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 13:16:04,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 13:16:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 13:16:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 13:16:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 13:16:04,964 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 13:16:04,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:16:04,964 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 13:16:04,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:16:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 13:16:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:16:04,965 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:16:04,965 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 13:16:05,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:16:05,166 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:16:05,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:16:05,167 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2019-12-07 13:16:05,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:16:05,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212529130] [2019-12-07 13:16:05,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:16:05,337 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:16:05,339 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:16:05,347 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 13:16:05,347 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:16:05,355 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 13:16:05,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212529130] [2019-12-07 13:16:05,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:16:05,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:16:05,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984784032] [2019-12-07 13:16:05,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:16:05,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:16:05,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:16:05,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:16:05,357 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 13:16:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:16:05,377 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2019-12-07 13:16:05,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:16:05,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:16:05,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:16:05,379 INFO L225 Difference]: With dead ends: 118 [2019-12-07 13:16:05,379 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 13:16:05,380 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 13:16:05,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 13:16:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2019-12-07 13:16:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 13:16:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-12-07 13:16:05,391 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2019-12-07 13:16:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:16:05,391 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-12-07 13:16:05,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:16:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-12-07 13:16:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:16:05,392 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:16:05,393 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 13:16:05,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:16:05,593 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:16:05,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:16:05,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2019-12-07 13:16:05,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:16:05,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383255419] [2019-12-07 13:16:05,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:16:05,769 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:16:05,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:16:05,786 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 13:16:05,786 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:16:05,811 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 13:16:05,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383255419] [2019-12-07 13:16:05,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:16:05,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:16:05,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953022110] [2019-12-07 13:16:05,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:16:05,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:16:05,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:16:05,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:16:05,813 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 8 states. [2019-12-07 13:16:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:16:06,056 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2019-12-07 13:16:06,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 13:16:06,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 13:16:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:16:06,061 INFO L225 Difference]: With dead ends: 570 [2019-12-07 13:16:06,062 INFO L226 Difference]: Without dead ends: 520 [2019-12-07 13:16:06,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:16:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-12-07 13:16:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2019-12-07 13:16:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-12-07 13:16:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2019-12-07 13:16:06,090 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2019-12-07 13:16:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:16:06,090 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2019-12-07 13:16:06,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:16:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2019-12-07 13:16:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:16:06,092 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:16:06,092 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 13:16:06,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:16:06,293 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:16:06,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:16:06,293 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2019-12-07 13:16:06,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:16:06,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572373568] [2019-12-07 13:16:06,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/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 13:16:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:16:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:16:07,965 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:16:07,965 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:16:08,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:16:08,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:16:08 BoogieIcfgContainer [2019-12-07 13:16:08,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:16:08,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:16:08,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:16:08,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:16:08,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:04" (3/4) ... [2019-12-07 13:16:08,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:16:08,313 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_72e32bc7-a588-4008-b59d-a042443dfd36/bin/utaipan/witness.graphml [2019-12-07 13:16:08,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:16:08,315 INFO L168 Benchmark]: Toolchain (without parser) took 4965.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.4 MB in the beginning and 795.8 MB in the end (delta: 156.6 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,315 INFO L168 Benchmark]: CDTParser took 0.17 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 13:16:08,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,316 INFO L168 Benchmark]: Boogie Preprocessor took 27.81 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 13:16:08,316 INFO L168 Benchmark]: RCFGBuilder took 493.41 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,317 INFO L168 Benchmark]: TraceAbstraction took 3975.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 806.5 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,317 INFO L168 Benchmark]: Witness Printer took 58.14 ms. Allocated memory is still 1.2 GB. Free memory was 806.5 MB in the beginning and 795.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:16:08,318 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.81 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. * RCFGBuilder took 493.41 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3975.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 806.5 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. * Witness Printer took 58.14 ms. Allocated memory is still 1.2 GB. Free memory was 806.5 MB in the beginning and 795.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L228] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L64] COND TRUE \read(systemActive) [L86] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 731 SDslu, 522 SDs, 0 SdLazy, 88 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred 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, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 incorrect! Received shutdown request...