./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.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_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 a4cdc62a5b5efdfba89a3280823bf73bd08d347a ...................................................................................................................................... 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_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 a4cdc62a5b5efdfba89a3280823bf73bd08d347a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:01:42,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:01:42,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:01:42,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:01:42,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:01:42,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:01:42,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:01:42,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:01:42,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:01:42,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:01:42,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:01:42,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:01:42,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:01:42,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:01:42,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:01:42,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:01:42,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:01:42,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:01:42,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:01:42,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:01:42,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:01:42,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:01:42,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:01:42,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:01:42,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:01:42,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:01:42,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:01:42,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:01:42,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:01:42,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:01:42,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:01:42,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:01:42,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:01:42,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:01:42,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:01:42,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:01:42,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:01:42,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:01:42,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:01:42,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:01:42,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:01:42,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:01:42,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:01:42,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:01:42,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:01:42,763 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:01:42,763 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:01:42,763 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:01:42,764 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:01:42,764 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:01:42,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:01:42,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:01:42,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:01:42,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:01:42,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:01:42,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:01:42,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:01:42,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:01:42,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:01:42,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:01:42,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:01:42,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:01:42,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:01:42,768 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:01:42,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:01:42,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:01:42,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:01:42,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:01:42,768 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_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 -> a4cdc62a5b5efdfba89a3280823bf73bd08d347a [2019-12-07 13:01:42,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:01:42,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:01:42,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:01:42,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:01:42,881 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:01:42,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-12-07 13:01:42,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/782b101e2/f4570eeccea74ab98286630a12a99396/FLAG76269ce17 [2019-12-07 13:01:43,386 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:01:43,386 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-12-07 13:01:43,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/782b101e2/f4570eeccea74ab98286630a12a99396/FLAG76269ce17 [2019-12-07 13:01:43,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/782b101e2/f4570eeccea74ab98286630a12a99396 [2019-12-07 13:01:43,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:01:43,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:01:43,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:01:43,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:01:43,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:01:43,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:01:43" (1/1) ... [2019-12-07 13:01:43,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a368b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:43, skipping insertion in model container [2019-12-07 13:01:43,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:01:43" (1/1) ... [2019-12-07 13:01:43,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:01:43,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:01:43,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:01:43,984 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 13:01:43,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71645c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:43, skipping insertion in model container [2019-12-07 13:01:43,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:01:43,985 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:01:43,987 INFO L168 Benchmark]: Toolchain (without parser) took 268.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:43,987 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:01:43,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:43,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:01:45,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:01:45,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:01:45,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:01:45,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:01:45,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:01:45,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:01:45,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:01:45,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:01:45,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:01:45,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:01:45,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:01:45,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:01:45,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:01:45,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:01:45,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:01:45,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:01:45,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:01:45,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:01:45,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:01:45,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:01:45,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:01:45,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:01:45,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:01:45,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:01:45,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:01:45,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:01:45,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:01:45,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:01:45,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:01:45,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:01:45,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:01:45,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:01:45,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:01:45,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:01:45,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:01:45,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:01:45,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:01:45,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:01:45,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:01:45,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:01:45,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:01:45,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:01:45,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:01:45,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:01:45,225 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:01:45,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:01:45,225 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:01:45,225 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:01:45,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:01:45,225 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:01:45,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:01:45,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:01:45,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:01:45,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:01:45,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:01:45,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:01:45,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:01:45,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:01:45,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:01:45,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:01:45,229 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:01:45,229 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:01:45,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:01:45,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:01:45,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:01:45,229 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_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 -> a4cdc62a5b5efdfba89a3280823bf73bd08d347a [2019-12-07 13:01:45,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:01:45,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:01:45,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:01:45,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:01:45,403 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:01:45,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-12-07 13:01:45,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/551f227a6/5cc6c527766b4e0688aacc2ee547ea71/FLAG5518bb2d3 [2019-12-07 13:01:45,797 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:01:45,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-12-07 13:01:45,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/551f227a6/5cc6c527766b4e0688aacc2ee547ea71/FLAG5518bb2d3 [2019-12-07 13:01:45,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/data/551f227a6/5cc6c527766b4e0688aacc2ee547ea71 [2019-12-07 13:01:45,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:01:45,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:01:45,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:01:45,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:01:45,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:01:45,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:01:45" (1/1) ... [2019-12-07 13:01:45,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:45, skipping insertion in model container [2019-12-07 13:01:45,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:01:45" (1/1) ... [2019-12-07 13:01:45,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:01:45,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:01:46,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:01:46,078 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:01:46,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:01:46,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:01:46,128 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:01:46,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:01:46,190 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:01:46,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46 WrapperNode [2019-12-07 13:01:46,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:01:46,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:01:46,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:01:46,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:01:46,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:01:46,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:01:46,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:01:46,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:01:46,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... [2019-12-07 13:01:46,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:01:46,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:01:46,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:01:46,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:01:46,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:01:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:01:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:01:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:01:46,820 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:01:46,821 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 13:01:46,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:01:46 BoogieIcfgContainer [2019-12-07 13:01:46,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:01:46,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:01:46,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:01:46,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:01:46,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:01:45" (1/3) ... [2019-12-07 13:01:46,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2ead8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:01:46, skipping insertion in model container [2019-12-07 13:01:46,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:01:46" (2/3) ... [2019-12-07 13:01:46,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2ead8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:01:46, skipping insertion in model container [2019-12-07 13:01:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:01:46" (3/3) ... [2019-12-07 13:01:46,829 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2019-12-07 13:01:46,838 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:01:46,845 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:01:46,856 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:01:46,874 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:01:46,874 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:01:46,874 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:01:46,874 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:01:46,874 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:01:46,874 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:01:46,875 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:01:46,875 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:01:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 13:01:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:01:46,891 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:46,891 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:01:46,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:46,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:46,896 INFO L82 PathProgramCache]: Analyzing trace with hash 2109695399, now seen corresponding path program 1 times [2019-12-07 13:01:46,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:46,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949475472] [2019-12-07 13:01:46,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:47,048 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:01:47,052 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:47,063 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 13:01:47,063 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:47,067 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 13:01:47,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949475472] [2019-12-07 13:01:47,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:47,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:01:47,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92402340] [2019-12-07 13:01:47,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:01:47,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:47,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:01:47,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:01:47,083 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 13:01:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:47,109 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2019-12-07 13:01:47,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:01:47,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:01:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:47,121 INFO L225 Difference]: With dead ends: 216 [2019-12-07 13:01:47,121 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 13:01:47,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:01:47,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 13:01:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 13:01:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 13:01:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2019-12-07 13:01:47,157 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 16 [2019-12-07 13:01:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:47,158 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-12-07 13:01:47,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:01:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2019-12-07 13:01:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:01:47,159 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:47,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:01:47,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:01:47,361 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:47,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1093063509, now seen corresponding path program 1 times [2019-12-07 13:01:47,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:47,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254218237] [2019-12-07 13:01:47,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:47,601 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:01:47,602 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:47,615 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 13:01:47,615 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:47,623 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 13:01:47,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254218237] [2019-12-07 13:01:47,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:47,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:01:47,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385075414] [2019-12-07 13:01:47,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:01:47,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:47,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:01:47,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:01:47,625 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand 4 states. [2019-12-07 13:01:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:47,636 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2019-12-07 13:01:47,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:01:47,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:01:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:47,638 INFO L225 Difference]: With dead ends: 107 [2019-12-07 13:01:47,638 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 13:01:47,639 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:01:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 13:01:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 13:01:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 13:01:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2019-12-07 13:01:47,643 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 17 [2019-12-07 13:01:47,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:47,643 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2019-12-07 13:01:47,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:01:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2019-12-07 13:01:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:01:47,644 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:47,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:01:47,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:01:47,846 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -720159228, now seen corresponding path program 1 times [2019-12-07 13:01:47,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:47,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986148764] [2019-12-07 13:01:47,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:48,052 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:01:48,053 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:48,060 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 13:01:48,060 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:48,067 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 13:01:48,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986148764] [2019-12-07 13:01:48,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:48,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:01:48,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676164178] [2019-12-07 13:01:48,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:01:48,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:48,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:01:48,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:01:48,069 INFO L87 Difference]: Start difference. First operand 45 states and 65 transitions. Second operand 4 states. [2019-12-07 13:01:48,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:48,076 INFO L93 Difference]: Finished difference Result 84 states and 124 transitions. [2019-12-07 13:01:48,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:01:48,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 13:01:48,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:48,077 INFO L225 Difference]: With dead ends: 84 [2019-12-07 13:01:48,077 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 13:01:48,078 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:01:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 13:01:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 13:01:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 13:01:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 13:01:48,082 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 22 [2019-12-07 13:01:48,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:48,082 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 13:01:48,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:01:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 13:01:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:01:48,083 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:48,083 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 13:01:48,284 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:01:48,284 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:48,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:48,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2091202829, now seen corresponding path program 1 times [2019-12-07 13:01:48,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:48,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869697085] [2019-12-07 13:01:48,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:48,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:01:48,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:48,436 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 13:01:48,436 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:48,439 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 13:01:48,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869697085] [2019-12-07 13:01:48,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:48,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:01:48,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814560577] [2019-12-07 13:01:48,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:01:48,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:48,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:01:48,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:01:48,441 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-12-07 13:01:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:48,503 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2019-12-07 13:01:48,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:01:48,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 13:01:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:48,505 INFO L225 Difference]: With dead ends: 105 [2019-12-07 13:01:48,505 INFO L226 Difference]: Without dead ends: 66 [2019-12-07 13:01:48,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:01:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-07 13:01:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2019-12-07 13:01:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-07 13:01:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2019-12-07 13:01:48,512 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 24 [2019-12-07 13:01:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:48,513 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2019-12-07 13:01:48,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:01:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-12-07 13:01:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 13:01:48,514 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:48,514 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, 1, 1, 1, 1] [2019-12-07 13:01:48,715 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:01:48,716 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:48,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1013899842, now seen corresponding path program 1 times [2019-12-07 13:01:48,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:48,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324746413] [2019-12-07 13:01:48,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/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 13:01:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:48,963 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:01:48,965 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:48,976 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 13:01:48,977 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:48,982 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 13:01:48,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324746413] [2019-12-07 13:01:48,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:48,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:01:48,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632116960] [2019-12-07 13:01:48,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:01:48,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:48,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:01:48,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:01:48,983 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand 5 states. [2019-12-07 13:01:49,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:49,027 INFO L93 Difference]: Finished difference Result 171 states and 239 transitions. [2019-12-07 13:01:49,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:01:49,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 13:01:49,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:49,028 INFO L225 Difference]: With dead ends: 171 [2019-12-07 13:01:49,029 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 13:01:49,029 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:01:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 13:01:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 70. [2019-12-07 13:01:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 13:01:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2019-12-07 13:01:49,035 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 30 [2019-12-07 13:01:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:49,035 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2019-12-07 13:01:49,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:01:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-12-07 13:01:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 13:01:49,036 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:49,036 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, 1, 1, 1, 1] [2019-12-07 13:01:49,237 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:01:49,238 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:49,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1648611201, now seen corresponding path program 1 times [2019-12-07 13:01:49,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:49,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566269153] [2019-12-07 13:01:49,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 13:01:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:49,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:01:49,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:49,396 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 13:01:49,396 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:49,400 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 13:01:49,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566269153] [2019-12-07 13:01:49,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:49,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:01:49,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273608649] [2019-12-07 13:01:49,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:01:49,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:49,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:01:49,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:01:49,402 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand 5 states. [2019-12-07 13:01:49,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:49,482 INFO L93 Difference]: Finished difference Result 344 states and 483 transitions. [2019-12-07 13:01:49,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:01:49,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 13:01:49,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:49,485 INFO L225 Difference]: With dead ends: 344 [2019-12-07 13:01:49,485 INFO L226 Difference]: Without dead ends: 280 [2019-12-07 13:01:49,486 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:01:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-12-07 13:01:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 128. [2019-12-07 13:01:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 13:01:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 175 transitions. [2019-12-07 13:01:49,504 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 175 transitions. Word has length 30 [2019-12-07 13:01:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:49,505 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 175 transitions. [2019-12-07 13:01:49,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:01:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2019-12-07 13:01:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:01:49,506 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:49,506 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, 1, 1, 1, 1, 1] [2019-12-07 13:01:49,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 13:01:49,708 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:49,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:49,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1974587593, now seen corresponding path program 1 times [2019-12-07 13:01:49,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:49,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224789836] [2019-12-07 13:01:49,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 13:01:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:49,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:01:49,939 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:49,951 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 13:01:49,951 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:49,953 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 13:01:49,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224789836] [2019-12-07 13:01:49,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:49,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:01:49,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734391441] [2019-12-07 13:01:49,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:01:49,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:01:49,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:01:49,955 INFO L87 Difference]: Start difference. First operand 128 states and 175 transitions. Second operand 5 states. [2019-12-07 13:01:50,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:50,064 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2019-12-07 13:01:50,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:01:50,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 13:01:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:50,066 INFO L225 Difference]: With dead ends: 366 [2019-12-07 13:01:50,066 INFO L226 Difference]: Without dead ends: 364 [2019-12-07 13:01:50,066 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:01:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-12-07 13:01:50,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-12-07 13:01:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 13:01:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 174 transitions. [2019-12-07 13:01:50,077 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 174 transitions. Word has length 31 [2019-12-07 13:01:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:50,077 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 174 transitions. [2019-12-07 13:01:50,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:01:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2019-12-07 13:01:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:01:50,078 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:50,078 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, 1, 1, 1, 1, 1] [2019-12-07 13:01:50,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 13:01:50,280 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:50,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:50,281 INFO L82 PathProgramCache]: Analyzing trace with hash -735158350, now seen corresponding path program 1 times [2019-12-07 13:01:50,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:50,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035270142] [2019-12-07 13:01:50,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 13:01:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:50,431 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:01:50,432 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:50,439 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 13:01:50,440 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:50,448 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 13:01:50,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035270142] [2019-12-07 13:01:50,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:50,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 13:01:50,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236315360] [2019-12-07 13:01:50,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:01:50,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:50,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:01:50,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:01:50,450 INFO L87 Difference]: Start difference. First operand 128 states and 174 transitions. Second operand 6 states. [2019-12-07 13:01:50,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:50,498 INFO L93 Difference]: Finished difference Result 346 states and 466 transitions. [2019-12-07 13:01:50,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:01:50,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-12-07 13:01:50,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:50,500 INFO L225 Difference]: With dead ends: 346 [2019-12-07 13:01:50,500 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 13:01:50,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:01:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 13:01:50,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 136. [2019-12-07 13:01:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 13:01:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 182 transitions. [2019-12-07 13:01:50,513 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 182 transitions. Word has length 31 [2019-12-07 13:01:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:50,514 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 182 transitions. [2019-12-07 13:01:50,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:01:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 182 transitions. [2019-12-07 13:01:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:01:50,515 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:50,515 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, 1, 1, 1, 1, 1] [2019-12-07 13:01:50,715 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 13:01:50,716 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:50,717 INFO L82 PathProgramCache]: Analyzing trace with hash -476992912, now seen corresponding path program 1 times [2019-12-07 13:01:50,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:50,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165081233] [2019-12-07 13:01:50,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 13:01:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:50,870 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:01:50,871 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:50,876 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 13:01:50,876 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:50,884 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 13:01:50,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165081233] [2019-12-07 13:01:50,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:01:50,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:01:50,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8794055] [2019-12-07 13:01:50,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:01:50,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:01:50,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:01:50,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:01:50,885 INFO L87 Difference]: Start difference. First operand 136 states and 182 transitions. Second operand 4 states. [2019-12-07 13:01:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:50,929 INFO L93 Difference]: Finished difference Result 418 states and 562 transitions. [2019-12-07 13:01:50,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:01:50,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-07 13:01:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:50,931 INFO L225 Difference]: With dead ends: 418 [2019-12-07 13:01:50,931 INFO L226 Difference]: Without dead ends: 288 [2019-12-07 13:01:50,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 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 13:01:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-12-07 13:01:50,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 236. [2019-12-07 13:01:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-12-07 13:01:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 313 transitions. [2019-12-07 13:01:50,945 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 313 transitions. Word has length 31 [2019-12-07 13:01:50,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:50,945 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 313 transitions. [2019-12-07 13:01:50,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:01:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2019-12-07 13:01:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 13:01:50,945 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:50,945 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, 1, 1, 1, 1, 1, 1] [2019-12-07 13:01:51,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 13:01:51,147 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1705214514, now seen corresponding path program 1 times [2019-12-07 13:01:51,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:01:51,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335827944] [2019-12-07 13:01:51,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 13:01:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:01:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:01:53,117 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:01:53,117 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:01:53,317 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 13:01:53,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:01:53 BoogieIcfgContainer [2019-12-07 13:01:53,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:01:53,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:01:53,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:01:53,420 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:01:53,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:01:46" (3/4) ... [2019-12-07 13:01:53,422 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:01:53,480 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b3e0e162-9163-4a70-86b7-1c1ac40b9873/bin/utaipan/witness.graphml [2019-12-07 13:01:53,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:01:53,482 INFO L168 Benchmark]: Toolchain (without parser) took 7663.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -48.6 MB). Peak memory consumption was 172.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,482 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:01:53,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.07 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 13:01:53,483 INFO L168 Benchmark]: Boogie Preprocessor took 32.15 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,483 INFO L168 Benchmark]: RCFGBuilder took 553.73 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: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,483 INFO L168 Benchmark]: TraceAbstraction took 6596.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 94.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,483 INFO L168 Benchmark]: Witness Printer took 60.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:01:53,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.15 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 553.73 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: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6596.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 94.7 MB. Max. memory is 11.5 GB. * Witness Printer took 60.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L487] int retValue_acc ; [L488] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L850] COND TRUE waterLevel < 2 [L851] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] COND FALSE !(\read(methaneLevelCritical)) [L865] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L602] COND TRUE \read(systemActive) [L650] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L653] COND FALSE !(\read(pumpRunning)) [L624] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L627] COND TRUE ! pumpRunning [L747] int retValue_acc ; [L748] int tmp ; [L749] int tmp___0 ; [L912] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L915] COND FALSE !(waterLevel < 2) [L919] retValue_acc = 0 [L920] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L753] tmp = isHighWaterSensorDry() [L755] COND FALSE !(\read(tmp)) [L758] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L760] retValue_acc = tmp___0 [L761] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L629] tmp = isHighWaterLevel() [L631] COND TRUE \read(tmp) [L678] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L514] int tmp ; [L515] int tmp___0 ; [L871] int retValue_acc ; [L874] retValue_acc = methaneLevelCritical [L875] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L519] tmp = isMethaneLevelCritical() [L521] COND TRUE \read(tmp) [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L523] tmp___0 = isPumpRunning() [L525] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L543] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: UNSAFE, OverallTime: 6.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 797 SDtfs, 1002 SDslu, 1163 SDs, 0 SdLazy, 165 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=9, 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, 9 MinimizatonAttempts, 573 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 23099 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...