./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.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_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae ...................................................................................................................................... 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_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:42:02,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:42:02,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:42:02,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:42:02,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:42:02,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:42:02,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:42:02,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:42:02,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:42:02,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:42:02,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:42:02,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:42:02,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:42:02,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:42:02,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:42:02,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:42:02,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:42:02,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:42:02,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:42:02,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:42:02,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:42:02,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:42:02,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:42:02,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:42:02,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:42:02,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:42:02,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:42:02,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:42:02,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:42:02,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:42:02,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:42:02,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:42:02,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:42:02,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:42:02,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:42:02,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:42:02,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:42:02,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:42:02,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:42:02,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:42:02,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:42:02,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:42:02,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:42:02,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:42:02,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:42:02,642 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:42:02,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:42:02,642 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:42:02,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:42:02,643 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:42:02,643 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:42:02,643 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:42:02,643 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:42:02,643 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:42:02,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:42:02,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:42:02,644 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:42:02,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:42:02,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:42:02,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:42:02,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:42:02,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:42:02,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:42:02,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:42:02,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:42:02,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:42:02,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:42:02,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:42:02,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:42:02,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:42:02,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:42:02,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:42:02,649 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_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 -> f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae [2019-12-07 10:42:02,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:42:02,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:42:02,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:42:02,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:42:02,761 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:42:02,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2019-12-07 10:42:02,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/b606f3c80/7884e72455454e7fb659341212f4bae9/FLAGbf80e664f [2019-12-07 10:42:03,231 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:42:03,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2019-12-07 10:42:03,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/b606f3c80/7884e72455454e7fb659341212f4bae9/FLAGbf80e664f [2019-12-07 10:42:03,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/b606f3c80/7884e72455454e7fb659341212f4bae9 [2019-12-07 10:42:03,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:42:03,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:42:03,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:42:03,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:42:03,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:42:03,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:42:03" (1/1) ... [2019-12-07 10:42:03,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411dadc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:03, skipping insertion in model container [2019-12-07 10:42:03,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:42:03" (1/1) ... [2019-12-07 10:42:03,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:42:03,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:42:03,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:42:03,504 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 10:42:03,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d1490ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:03, skipping insertion in model container [2019-12-07 10:42:03,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:42:03,504 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:42:03,506 INFO L168 Benchmark]: Toolchain (without parser) took 254.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:03,507 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:42:03,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:03,508 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 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 317]: 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 10:42:04,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:42:04,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:42:04,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:42:04,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:42:04,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:42:04,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:42:04,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:42:04,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:42:04,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:42:04,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:42:04,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:42:04,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:42:04,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:42:04,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:42:04,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:42:04,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:42:04,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:42:04,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:42:04,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:42:04,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:42:04,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:42:04,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:42:04,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:42:04,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:42:04,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:42:04,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:42:04,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:42:04,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:42:04,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:42:04,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:42:04,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:42:04,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:42:04,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:42:04,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:42:04,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:42:04,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:42:04,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:42:04,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:42:04,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:42:04,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:42:04,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:42:04,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:42:04,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:42:04,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:42:04,695 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:42:04,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:42:04,695 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:42:04,695 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:42:04,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:42:04,696 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:42:04,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:42:04,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:42:04,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:42:04,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:42:04,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:42:04,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:42:04,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:42:04,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:42:04,700 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_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 -> f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae [2019-12-07 10:42:04,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:42:04,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:42:04,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:42:04,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:42:04,893 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:42:04,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2019-12-07 10:42:04,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/50b29a457/7920ed2693ee4d1e8ef1055e943ebd68/FLAG155abb448 [2019-12-07 10:42:05,288 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:42:05,288 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2019-12-07 10:42:05,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/50b29a457/7920ed2693ee4d1e8ef1055e943ebd68/FLAG155abb448 [2019-12-07 10:42:05,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/data/50b29a457/7920ed2693ee4d1e8ef1055e943ebd68 [2019-12-07 10:42:05,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:42:05,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:42:05,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:42:05,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:42:05,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:42:05,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484ff3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05, skipping insertion in model container [2019-12-07 10:42:05,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:42:05,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:42:05,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:42:05,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:42:05,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:42:05,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:42:05,647 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:42:05,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:42:05,707 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:42:05,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05 WrapperNode [2019-12-07 10:42:05,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:42:05,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:42:05,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:42:05,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:42:05,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:42:05,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:42:05,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:42:05,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:42:05,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... [2019-12-07 10:42:05,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:42:05,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:42:05,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:42:05,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:42:05,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:42:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:42:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:42:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:42:06,286 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:42:06,286 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 10:42:06,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:42:06 BoogieIcfgContainer [2019-12-07 10:42:06,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:42:06,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:42:06,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:42:06,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:42:06,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:42:05" (1/3) ... [2019-12-07 10:42:06,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55970e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:42:06, skipping insertion in model container [2019-12-07 10:42:06,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:42:05" (2/3) ... [2019-12-07 10:42:06,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55970e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:42:06, skipping insertion in model container [2019-12-07 10:42:06,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:42:06" (3/3) ... [2019-12-07 10:42:06,294 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2019-12-07 10:42:06,301 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:42:06,306 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:42:06,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:42:06,330 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:42:06,330 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:42:06,330 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:42:06,330 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:42:06,330 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:42:06,330 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:42:06,331 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:42:06,331 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:42:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 10:42:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:42:06,349 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:42:06,350 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 10:42:06,350 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:42:06,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:42:06,354 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2019-12-07 10:42:06,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:42:06,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663576358] [2019-12-07 10:42:06,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:42:06,510 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:42:06,514 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:42:06,526 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 10:42:06,526 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:42:06,530 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 10:42:06,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663576358] [2019-12-07 10:42:06,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:42:06,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:42:06,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529837312] [2019-12-07 10:42:06,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:42:06,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:42:06,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:42:06,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:42:06,546 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 10:42:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:42:06,564 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 10:42:06,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:42:06,565 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 10:42:06,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:42:06,573 INFO L225 Difference]: With dead ends: 144 [2019-12-07 10:42:06,573 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 10:42:06,576 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 10:42:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 10:42:06,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 10:42:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 10:42:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 10:42:06,603 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-12-07 10:42:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:42:06,604 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 10:42:06,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:42:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 10:42:06,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:42:06,605 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:42:06,605 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 10:42:06,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:42:06,806 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:42:06,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:42:06,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2019-12-07 10:42:06,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:42:06,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580413748] [2019-12-07 10:42:06,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:42:07,024 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:42:07,025 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:42:07,038 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 10:42:07,038 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:42:07,047 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 10:42:07,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580413748] [2019-12-07 10:42:07,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:42:07,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:42:07,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165206903] [2019-12-07 10:42:07,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:42:07,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:42:07,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:42:07,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:42:07,050 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 10:42:07,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:42:07,059 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 10:42:07,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:42:07,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 10:42:07,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:42:07,060 INFO L225 Difference]: With dead ends: 71 [2019-12-07 10:42:07,060 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 10:42:07,061 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 10:42:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 10:42:07,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 10:42:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 10:42:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 10:42:07,065 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 10:42:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:42:07,065 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 10:42:07,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:42:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 10:42:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:42:07,066 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:42:07,066 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 10:42:07,267 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:42:07,268 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:42:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:42:07,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2019-12-07 10:42:07,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:42:07,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145547497] [2019-12-07 10:42:07,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:42:07,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:42:07,477 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:42:07,485 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 10:42:07,485 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:42:07,492 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 10:42:07,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145547497] [2019-12-07 10:42:07,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:42:07,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:42:07,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246068363] [2019-12-07 10:42:07,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:42:07,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:42:07,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:42:07,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:42:07,494 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 10:42:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:42:07,539 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 10:42:07,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:42:07,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:42:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:42:07,540 INFO L225 Difference]: With dead ends: 60 [2019-12-07 10:42:07,541 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 10:42:07,541 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 10:42:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 10:42:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 10:42:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 10:42:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 10:42:07,545 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 10:42:07,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:42:07,545 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 10:42:07,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:42:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 10:42:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 10:42:07,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:42:07,546 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 10:42:07,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:42:07,748 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:42:07,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:42:07,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2019-12-07 10:42:07,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:42:07,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334264672] [2019-12-07 10:42:07,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:42:07,925 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:42:07,927 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:42:07,943 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 10:42:07,943 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:42:07,973 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 10:42:07,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334264672] [2019-12-07 10:42:07,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:42:07,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 10:42:07,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638372774] [2019-12-07 10:42:07,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:42:07,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:42:07,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:42:07,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:42:07,975 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-12-07 10:42:08,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:42:08,207 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2019-12-07 10:42:08,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 10:42:08,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 10:42:08,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:42:08,210 INFO L225 Difference]: With dead ends: 308 [2019-12-07 10:42:08,210 INFO L226 Difference]: Without dead ends: 281 [2019-12-07 10:42:08,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 10:42:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-12-07 10:42:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2019-12-07 10:42:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 10:42:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-12-07 10:42:08,228 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2019-12-07 10:42:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:42:08,228 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-12-07 10:42:08,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:42:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-12-07 10:42:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:42:08,230 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:42:08,230 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 10:42:08,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:42:08,431 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:42:08,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:42:08,431 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2019-12-07 10:42:08,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:42:08,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623393395] [2019-12-07 10:42:08,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/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 10:42:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:42:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:42:09,877 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 10:42:09,877 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:42:10,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:42:10,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:42:10 BoogieIcfgContainer [2019-12-07 10:42:10,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:42:10,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:42:10,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:42:10,178 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:42:10,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:42:06" (3/4) ... [2019-12-07 10:42:10,180 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:42:10,236 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d56787f3-6032-4ec3-b5c6-eb585ed03e8a/bin/utaipan/witness.graphml [2019-12-07 10:42:10,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:42:10,237 INFO L168 Benchmark]: Toolchain (without parser) took 4926.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.4 MB in the beginning and 794.8 MB in the end (delta: 157.6 MB). Peak memory consumption was 278.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:10,238 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 10:42:10,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:10,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.82 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 10:42:10,238 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 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 10:42:10,239 INFO L168 Benchmark]: RCFGBuilder took 506.30 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:10,239 INFO L168 Benchmark]: TraceAbstraction took 3889.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 808.6 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:10,239 INFO L168 Benchmark]: Witness Printer took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 808.6 MB in the beginning and 794.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:42:10,241 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 395.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.82 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 28.65 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 506.30 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3889.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 808.6 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. * Witness Printer took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 808.6 MB in the beginning and 794.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L799] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L805] tmp = valid_product() [L807] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L668] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L676] tmp = __VERIFIER_nondet_int() [L678] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE waterLevel < 2 [L840] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L686] tmp___0 = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND TRUE \read(tmp___2) [L284] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L167] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __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, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 532 SDslu, 456 SDs, 0 SdLazy, 94 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 736 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...