./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.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_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 cc5b595de9a81353e40cb89360f6656c22ce2f6a ...................................................................................................................................... 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_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 cc5b595de9a81353e40cb89360f6656c22ce2f6a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:55:37,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:55:37,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:55:37,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:55:37,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:55:37,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:55:37,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:55:37,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:55:37,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:55:37,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:55:37,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:55:37,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:55:37,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:55:37,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:55:37,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:55:37,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:55:37,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:55:37,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:55:37,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:55:37,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:55:37,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:55:37,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:55:37,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:55:37,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:55:37,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:55:37,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:55:37,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:55:37,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:55:37,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:55:37,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:55:37,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:55:37,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:55:37,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:55:37,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:55:37,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:55:37,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:55:37,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:55:37,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:55:37,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:55:37,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:55:37,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:55:37,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:55:37,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:55:37,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:55:37,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:55:37,143 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:55:37,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:55:37,143 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:55:37,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:55:37,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:55:37,144 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:55:37,145 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:55:37,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:55:37,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:55:37,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:55:37,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:55:37,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:55:37,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:55:37,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:55:37,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:55:37,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:55:37,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:55:37,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:55:37,148 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_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 -> cc5b595de9a81353e40cb89360f6656c22ce2f6a [2019-12-07 15:55:37,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:55:37,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:55:37,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:55:37,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:55:37,254 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:55:37,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 15:55:37,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/147a918e7/4df0f2197e5c4c788164e93a0ee200dc/FLAG54c26dcfe [2019-12-07 15:55:37,732 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:55:37,732 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 15:55:37,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/147a918e7/4df0f2197e5c4c788164e93a0ee200dc/FLAG54c26dcfe [2019-12-07 15:55:37,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/147a918e7/4df0f2197e5c4c788164e93a0ee200dc [2019-12-07 15:55:37,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:55:37,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:55:37,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:37,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:55:37,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:55:37,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:37" (1/1) ... [2019-12-07 15:55:37,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:37, skipping insertion in model container [2019-12-07 15:55:37,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:37" (1/1) ... [2019-12-07 15:55:37,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:55:37,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:38,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:38,051 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 15:55:38,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46745214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:38, skipping insertion in model container [2019-12-07 15:55:38,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:38,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:55:38,055 INFO L168 Benchmark]: Toolchain (without parser) took 301.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:38,055 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:55:38,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:38,057 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 635]: 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 15:55:39,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:55:39,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:55:39,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:55:39,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:55:39,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:55:39,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:55:39,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:55:39,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:55:39,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:55:39,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:55:39,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:55:39,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:55:39,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:55:39,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:55:39,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:55:39,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:55:39,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:55:39,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:55:39,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:55:39,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:55:39,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:55:39,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:55:39,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:55:39,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:55:39,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:55:39,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:55:39,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:55:39,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:55:39,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:55:39,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:55:39,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:55:39,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:55:39,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:55:39,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:55:39,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:55:39,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:55:39,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:55:39,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:55:39,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:55:39,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:55:39,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:55:39,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:55:39,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:55:39,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:55:39,234 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:55:39,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:55:39,234 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:55:39,235 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:55:39,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:55:39,235 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:55:39,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:55:39,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:55:39,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:55:39,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:55:39,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:55:39,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:55:39,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:55:39,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:55:39,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:55:39,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:55:39,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:55:39,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:55:39,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:55:39,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:55:39,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:55:39,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:55:39,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:55:39,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:55:39,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:55:39,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:55:39,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:55:39,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:55:39,241 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_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 -> cc5b595de9a81353e40cb89360f6656c22ce2f6a [2019-12-07 15:55:39,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:55:39,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:55:39,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:55:39,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:55:39,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:55:39,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 15:55:39,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/b4f003691/eae8603b34d44ed0aae0c3026e5bae4d/FLAGe2f67961b [2019-12-07 15:55:39,922 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:55:39,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 15:55:39,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/b4f003691/eae8603b34d44ed0aae0c3026e5bae4d/FLAGe2f67961b [2019-12-07 15:55:40,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/data/b4f003691/eae8603b34d44ed0aae0c3026e5bae4d [2019-12-07 15:55:40,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:55:40,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:55:40,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:40,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:55:40,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:55:40,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40, skipping insertion in model container [2019-12-07 15:55:40,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:55:40,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:40,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:40,723 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:55:40,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:40,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:40,777 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:55:40,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:40,850 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:55:40,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40 WrapperNode [2019-12-07 15:55:40,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:40,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:55:40,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:55:40,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:55:40,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:55:40,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:55:40,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:55:40,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:55:40,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... [2019-12-07 15:55:40,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:55:40,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:55:40,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:55:40,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:55:40,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:55:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:55:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:55:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:55:42,138 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:55:42,138 INFO L287 CfgBuilder]: Removed 900 assume(true) statements. [2019-12-07 15:55:42,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:42 BoogieIcfgContainer [2019-12-07 15:55:42,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:55:42,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:55:42,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:55:42,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:55:42,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:55:40" (1/3) ... [2019-12-07 15:55:42,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16965118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:55:42, skipping insertion in model container [2019-12-07 15:55:42,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:40" (2/3) ... [2019-12-07 15:55:42,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16965118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:55:42, skipping insertion in model container [2019-12-07 15:55:42,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:42" (3/3) ... [2019-12-07 15:55:42,146 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2019-12-07 15:55:42,152 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:55:42,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:55:42,167 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:55:42,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:55:42,187 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:55:42,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:55:42,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:55:42,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:55:42,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:55:42,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:55:42,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:55:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-12-07 15:55:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 15:55:42,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:42,212 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] [2019-12-07 15:55:42,212 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:42,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2019-12-07 15:55:42,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:42,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949612238] [2019-12-07 15:55:42,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:42,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:55:42,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:42,382 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 15:55:42,382 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:42,386 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 15:55:42,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949612238] [2019-12-07 15:55:42,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:42,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:55:42,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968032688] [2019-12-07 15:55:42,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:55:42,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:42,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:55:42,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:55:42,402 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-12-07 15:55:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:42,447 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2019-12-07 15:55:42,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:55:42,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-12-07 15:55:42,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:42,460 INFO L225 Difference]: With dead ends: 927 [2019-12-07 15:55:42,460 INFO L226 Difference]: Without dead ends: 466 [2019-12-07 15:55:42,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 15:55:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-12-07 15:55:42,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2019-12-07 15:55:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-12-07 15:55:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2019-12-07 15:55:42,512 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2019-12-07 15:55:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:42,512 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2019-12-07 15:55:42,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:55:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2019-12-07 15:55:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:55:42,513 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:42,513 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 15:55:42,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:55:42,715 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:42,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:42,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2019-12-07 15:55:42,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:42,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288488539] [2019-12-07 15:55:42,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:42,983 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:55:42,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:42,997 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 15:55:42,997 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:43,005 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 15:55:43,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288488539] [2019-12-07 15:55:43,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:43,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:55:43,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014874629] [2019-12-07 15:55:43,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:55:43,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:43,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:55:43,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:55:43,007 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 4 states. [2019-12-07 15:55:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:43,027 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2019-12-07 15:55:43,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:55:43,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 15:55:43,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:43,029 INFO L225 Difference]: With dead ends: 466 [2019-12-07 15:55:43,029 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 15:55:43,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:55:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 15:55:43,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-12-07 15:55:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 15:55:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2019-12-07 15:55:43,040 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2019-12-07 15:55:43,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:43,041 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2019-12-07 15:55:43,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:55:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2019-12-07 15:55:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 15:55:43,042 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:43,042 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 15:55:43,243 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:55:43,244 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:43,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:43,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2019-12-07 15:55:43,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:43,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549449693] [2019-12-07 15:55:43,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:43,414 INFO L264 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:55:43,416 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:43,438 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 15:55:43,438 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:43,448 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 15:55:43,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549449693] [2019-12-07 15:55:43,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:43,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:55:43,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584046694] [2019-12-07 15:55:43,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:55:43,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:43,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:55:43,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:55:43,449 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 4 states. [2019-12-07 15:55:43,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:43,477 INFO L93 Difference]: Finished difference Result 515 states and 801 transitions. [2019-12-07 15:55:43,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:55:43,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-07 15:55:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:43,479 INFO L225 Difference]: With dead ends: 515 [2019-12-07 15:55:43,480 INFO L226 Difference]: Without dead ends: 356 [2019-12-07 15:55:43,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 15:55:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-07 15:55:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 193. [2019-12-07 15:55:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 15:55:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2019-12-07 15:55:43,491 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 30 [2019-12-07 15:55:43,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:43,491 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2019-12-07 15:55:43,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:55:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2019-12-07 15:55:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:55:43,492 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:43,493 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, 1] [2019-12-07 15:55:43,693 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:55:43,694 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2019-12-07 15:55:43,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:43,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756742354] [2019-12-07 15:55:43,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:43,871 INFO L264 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:55:43,872 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:43,878 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 15:55:43,878 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:43,881 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 15:55:43,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756742354] [2019-12-07 15:55:43,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:43,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:55:43,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237534130] [2019-12-07 15:55:43,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:55:43,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:43,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:55:43,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:55:43,882 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand 3 states. [2019-12-07 15:55:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:43,955 INFO L93 Difference]: Finished difference Result 384 states and 597 transitions. [2019-12-07 15:55:43,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:55:43,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 15:55:43,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:43,957 INFO L225 Difference]: With dead ends: 384 [2019-12-07 15:55:43,957 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 15:55:43,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 15:55:43,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 15:55:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2019-12-07 15:55:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 15:55:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2019-12-07 15:55:43,971 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 33 [2019-12-07 15:55:43,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:43,971 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2019-12-07 15:55:43,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:55:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2019-12-07 15:55:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:55:43,973 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:43,973 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, 1] [2019-12-07 15:55:44,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:55:44,176 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:44,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:44,177 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2019-12-07 15:55:44,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:44,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85549104] [2019-12-07 15:55:44,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:44,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:55:44,345 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:44,359 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 15:55:44,359 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:44,380 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 15:55:44,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85549104] [2019-12-07 15:55:44,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:44,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 15:55:44,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709991559] [2019-12-07 15:55:44,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:55:44,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:44,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:55:44,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:55:44,382 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 8 states. [2019-12-07 15:55:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:44,852 INFO L93 Difference]: Finished difference Result 1694 states and 2601 transitions. [2019-12-07 15:55:44,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 15:55:44,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 15:55:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:44,859 INFO L225 Difference]: With dead ends: 1694 [2019-12-07 15:55:44,859 INFO L226 Difference]: Without dead ends: 1505 [2019-12-07 15:55:44,860 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 15:55:44,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2019-12-07 15:55:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 491. [2019-12-07 15:55:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-12-07 15:55:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 730 transitions. [2019-12-07 15:55:44,893 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 730 transitions. Word has length 33 [2019-12-07 15:55:44,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:44,893 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 730 transitions. [2019-12-07 15:55:44,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:55:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 730 transitions. [2019-12-07 15:55:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 15:55:44,895 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:44,895 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:45,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:55:45,096 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:45,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:45,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1610564718, now seen corresponding path program 1 times [2019-12-07 15:55:45,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:45,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324113989] [2019-12-07 15:55:45,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:45,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:55:45,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:45,222 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:45,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324113989] [2019-12-07 15:55:45,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1548495859] [2019-12-07 15:55:45,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:55:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:45,374 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:55:45,375 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:55:45,401 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:55:45,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:55:45,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 15:55:45,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116209756] [2019-12-07 15:55:45,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:55:45,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:45,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:55:45,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:55:45,405 INFO L87 Difference]: Start difference. First operand 491 states and 730 transitions. Second operand 5 states. [2019-12-07 15:55:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:45,673 INFO L93 Difference]: Finished difference Result 1309 states and 1977 transitions. [2019-12-07 15:55:45,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:55:45,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2019-12-07 15:55:45,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:45,679 INFO L225 Difference]: With dead ends: 1309 [2019-12-07 15:55:45,680 INFO L226 Difference]: Without dead ends: 1307 [2019-12-07 15:55:45,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:55:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-12-07 15:55:45,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 491. [2019-12-07 15:55:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-12-07 15:55:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 728 transitions. [2019-12-07 15:55:45,715 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 728 transitions. Word has length 49 [2019-12-07 15:55:45,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:45,715 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 728 transitions. [2019-12-07 15:55:45,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:55:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 728 transitions. [2019-12-07 15:55:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 15:55:45,716 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:45,717 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:46,117 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:55:46,118 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:46,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:46,118 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2019-12-07 15:55:46,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:46,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178932884] [2019-12-07 15:55:46,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:46,245 INFO L264 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:55:46,247 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:46,271 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 15:55:46,272 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 15:55:46,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178932884] [2019-12-07 15:55:46,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:46,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:55:46,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677936559] [2019-12-07 15:55:46,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:55:46,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:46,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:55:46,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:55:46,277 INFO L87 Difference]: Start difference. First operand 491 states and 728 transitions. Second operand 5 states. [2019-12-07 15:55:46,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:46,426 INFO L93 Difference]: Finished difference Result 1333 states and 1967 transitions. [2019-12-07 15:55:46,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:55:46,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-12-07 15:55:46,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:46,431 INFO L225 Difference]: With dead ends: 1333 [2019-12-07 15:55:46,431 INFO L226 Difference]: Without dead ends: 855 [2019-12-07 15:55:46,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 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 15:55:46,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-12-07 15:55:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 551. [2019-12-07 15:55:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-12-07 15:55:46,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 788 transitions. [2019-12-07 15:55:46,470 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 788 transitions. Word has length 59 [2019-12-07 15:55:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:46,470 INFO L462 AbstractCegarLoop]: Abstraction has 551 states and 788 transitions. [2019-12-07 15:55:46,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:55:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 788 transitions. [2019-12-07 15:55:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 15:55:46,472 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:46,472 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:55:46,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 15:55:46,673 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:46,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:46,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2019-12-07 15:55:46,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:46,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202329662] [2019-12-07 15:55:46,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:46,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:55:46,837 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 15:55:46,846 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 15:55:46,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202329662] [2019-12-07 15:55:46,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:46,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 15:55:46,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584650393] [2019-12-07 15:55:46,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:55:46,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:46,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:55:46,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:55:46,859 INFO L87 Difference]: Start difference. First operand 551 states and 788 transitions. Second operand 6 states. [2019-12-07 15:55:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:46,996 INFO L93 Difference]: Finished difference Result 1290 states and 1845 transitions. [2019-12-07 15:55:46,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:55:46,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-07 15:55:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:46,999 INFO L225 Difference]: With dead ends: 1290 [2019-12-07 15:55:46,999 INFO L226 Difference]: Without dead ends: 752 [2019-12-07 15:55:47,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 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 15:55:47,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2019-12-07 15:55:47,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 464. [2019-12-07 15:55:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-12-07 15:55:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 644 transitions. [2019-12-07 15:55:47,022 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 644 transitions. Word has length 59 [2019-12-07 15:55:47,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:47,022 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 644 transitions. [2019-12-07 15:55:47,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:55:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 644 transitions. [2019-12-07 15:55:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 15:55:47,023 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:47,024 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2019-12-07 15:55:47,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 15:55:47,224 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:47,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:47,225 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2019-12-07 15:55:47,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:47,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644949686] [2019-12-07 15:55:47,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/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 15:55:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:47,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:55:47,345 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:47,353 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:47,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644949686] [2019-12-07 15:55:47,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:47,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 15:55:47,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595694646] [2019-12-07 15:55:47,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:55:47,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:47,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:55:47,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:55:47,359 INFO L87 Difference]: Start difference. First operand 464 states and 644 transitions. Second operand 3 states. [2019-12-07 15:55:47,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:47,529 INFO L93 Difference]: Finished difference Result 1061 states and 1491 transitions. [2019-12-07 15:55:47,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:55:47,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-12-07 15:55:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:47,532 INFO L225 Difference]: With dead ends: 1061 [2019-12-07 15:55:47,532 INFO L226 Difference]: Without dead ends: 610 [2019-12-07 15:55:47,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 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 15:55:47,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2019-12-07 15:55:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2019-12-07 15:55:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-12-07 15:55:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 838 transitions. [2019-12-07 15:55:47,561 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 838 transitions. Word has length 60 [2019-12-07 15:55:47,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:47,562 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 838 transitions. [2019-12-07 15:55:47,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:55:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 838 transitions. [2019-12-07 15:55:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 15:55:47,562 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:47,563 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2019-12-07 15:55:47,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 15:55:47,763 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:47,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:47,764 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2019-12-07 15:55:47,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:47,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219500751] [2019-12-07 15:55:47,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:47,862 INFO L264 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:55:47,864 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:47,887 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:47,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219500751] [2019-12-07 15:55:47,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1281302201] [2019-12-07 15:55:47,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:55:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:48,009 INFO L264 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:55:48,010 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:48,021 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:48,028 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870150748] [2019-12-07 15:55:48,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:55:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:48,132 INFO L264 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:55:48,133 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:48,142 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:55:48,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 15:55:48,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2019-12-07 15:55:48,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275391257] [2019-12-07 15:55:48,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 15:55:48,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:55:48,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 15:55:48,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:55:48,152 INFO L87 Difference]: Start difference. First operand 610 states and 838 transitions. Second operand 10 states. [2019-12-07 15:55:49,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:49,143 INFO L93 Difference]: Finished difference Result 3472 states and 4761 transitions. [2019-12-07 15:55:49,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-12-07 15:55:49,143 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2019-12-07 15:55:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:49,153 INFO L225 Difference]: With dead ends: 3472 [2019-12-07 15:55:49,153 INFO L226 Difference]: Without dead ends: 2999 [2019-12-07 15:55:49,154 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 350 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2019-12-07 15:55:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2019-12-07 15:55:49,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 849. [2019-12-07 15:55:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2019-12-07 15:55:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1169 transitions. [2019-12-07 15:55:49,205 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1169 transitions. Word has length 61 [2019-12-07 15:55:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:49,205 INFO L462 AbstractCegarLoop]: Abstraction has 849 states and 1169 transitions. [2019-12-07 15:55:49,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 15:55:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1169 transitions. [2019-12-07 15:55:49,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-07 15:55:49,206 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:49,206 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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 15:55:49,807 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 15:55:49,808 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:55:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2019-12-07 15:55:49,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:55:49,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8494419] [2019-12-07 15:55:49,811 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:50,830 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 15:55:50,830 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 15:55:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:55:51,751 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 15:55:51,751 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:55:51,951 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 15:55:52,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:55:52 BoogieIcfgContainer [2019-12-07 15:55:52,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:55:52,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:55:52,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:55:52,086 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:55:52,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:42" (3/4) ... [2019-12-07 15:55:52,088 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:55:52,182 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b3dadc9-68f6-4609-bf69-ffa775a25327/bin/utaipan/witness.graphml [2019-12-07 15:55:52,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:55:52,183 INFO L168 Benchmark]: Toolchain (without parser) took 11733.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 947.0 MB in the beginning and 923.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 345.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,184 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 15:55:52,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.85 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,184 INFO L168 Benchmark]: Boogie Preprocessor took 73.80 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,184 INFO L168 Benchmark]: RCFGBuilder took 1141.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.6 MB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,185 INFO L168 Benchmark]: TraceAbstraction took 9945.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 912.6 MB in the beginning and 960.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,185 INFO L168 Benchmark]: Witness Printer took 96.45 ms. Allocated memory is still 1.4 GB. Free memory was 960.8 MB in the beginning and 923.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:52,186 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 400.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.85 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.80 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1141.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.6 MB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9945.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 912.6 MB in the beginning and 960.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. * Witness Printer took 96.45 ms. Allocated memory is still 1.4 GB. Free memory was 960.8 MB in the beginning and 923.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 602]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L145] int __SELECTED_FEATURE_base ; [L146] int __SELECTED_FEATURE_highWaterSensor ; [L147] int __SELECTED_FEATURE_lowWaterSensor ; [L148] int __SELECTED_FEATURE_methaneQuery ; [L149] int __SELECTED_FEATURE_methaneAlarm ; [L150] int __SELECTED_FEATURE_stopCommand ; [L151] int __SELECTED_FEATURE_startCommand ; [L152] int __GUIDSL_ROOT_PRODUCTION ; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L973] int waterLevel = 1; [L974] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; [L1107] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1092] __SELECTED_FEATURE_base = 1 [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1093] __SELECTED_FEATURE_highWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1094] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1095] __SELECTED_FEATURE_methaneQuery = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1096] __SELECTED_FEATURE_methaneAlarm = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1097] __SELECTED_FEATURE_stopCommand = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1098] __SELECTED_FEATURE_startCommand = select_one() [L1112] int retValue_acc ; [L1115] retValue_acc = __SELECTED_FEATURE_base [L1116] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L991] COND TRUE waterLevel < 2 [L992] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] COND TRUE ! pumpRunning [L460] int retValue_acc ; [L461] int tmp ; [L462] int tmp___0 ; [L1053] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1056] COND FALSE !(waterLevel < 2) [L1060] retValue_acc = 0 [L1061] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L466] tmp = isHighWaterSensorDry() [L468] COND FALSE !(\read(tmp)) [L471] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L473] retValue_acc = tmp___0 [L474] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] tmp = isHighWaterLevel() [L233] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L382] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L357] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L197] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L979] COND TRUE waterLevel > 0 [L980] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L197] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L979] COND TRUE waterLevel > 0 [L980] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L204] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L254] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L226] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L229] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L161] tmp = getWaterLevel() [L163] COND TRUE tmp == 0 [L415] int retValue_acc ; [L418] retValue_acc = pumpRunning [L419] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] tmp___0 = isPumpRunning() [L167] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L602] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483904, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Result: UNSAFE, OverallTime: 9.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3833 SDtfs, 9741 SDslu, 8056 SDs, 0 SdLazy, 1216 SolverSat, 296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1217 GetRequests, 1148 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=849occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 4737 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 169867 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3014 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 188/270 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...