./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.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_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ...................................................................................................................................... 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_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:11:42,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:11:42,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:11:43,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:11:43,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:11:43,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:11:43,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:11:43,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:11:43,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:11:43,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:11:43,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:11:43,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:11:43,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:11:43,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:11:43,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:11:43,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:11:43,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:11:43,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:11:43,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:11:43,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:11:43,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:11:43,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:11:43,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:11:43,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:11:43,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:11:43,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:11:43,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:11:43,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:11:43,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:11:43,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:11:43,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:11:43,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:11:43,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:11:43,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:11:43,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:11:43,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:11:43,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:11:43,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:11:43,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:11:43,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:11:43,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:11:43,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:11:43,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:11:43,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:11:43,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:11:43,035 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:11:43,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:11:43,035 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:11:43,035 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:11:43,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:11:43,036 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:11:43,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:11:43,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:11:43,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:11:43,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:11:43,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:11:43,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:11:43,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:11:43,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:11:43,040 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_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2019-12-07 21:11:43,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:11:43,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:11:43,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:11:43,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:11:43,161 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:11:43,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2019-12-07 21:11:43,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/d46411789/77c55820f95f42a19388c3527e219379/FLAG2c2bfa7b2 [2019-12-07 21:11:43,634 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:11:43,634 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2019-12-07 21:11:43,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/d46411789/77c55820f95f42a19388c3527e219379/FLAG2c2bfa7b2 [2019-12-07 21:11:43,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/d46411789/77c55820f95f42a19388c3527e219379 [2019-12-07 21:11:43,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:11:43,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:11:43,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:43,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:11:43,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:11:43,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:43" (1/1) ... [2019-12-07 21:11:44,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a523291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:44, skipping insertion in model container [2019-12-07 21:11:44,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:43" (1/1) ... [2019-12-07 21:11:44,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:11:44,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:11:44,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:44,281 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 21:11:44,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1edb8de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:44, skipping insertion in model container [2019-12-07 21:11:44,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:44,282 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:11:44,284 INFO L168 Benchmark]: Toolchain (without parser) took 291.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -127.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:44,285 INFO L168 Benchmark]: CDTParser took 0.14 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 21:11:44,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:44,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 287.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 530]: 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 21:11:45,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:11:45,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:11:45,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:11:45,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:11:45,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:11:45,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:11:45,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:11:45,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:11:45,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:11:45,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:11:45,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:11:45,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:11:45,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:11:45,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:11:45,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:11:45,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:11:45,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:11:45,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:11:45,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:11:45,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:11:45,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:11:45,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:11:45,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:11:45,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:11:45,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:11:45,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:11:45,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:11:45,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:11:45,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:11:45,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:11:45,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:11:45,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:11:45,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:11:45,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:11:45,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:11:45,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:11:45,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:11:45,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:11:45,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:11:45,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:11:45,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:11:45,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:11:45,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:11:45,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:11:45,507 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:11:45,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:11:45,508 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:11:45,508 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:11:45,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:11:45,508 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:11:45,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:11:45,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:11:45,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:11:45,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:11:45,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:11:45,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:11:45,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:11:45,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:11:45,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:11:45,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:11:45,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:11:45,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:11:45,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:11:45,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:11:45,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:11:45,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:11:45,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:11:45,513 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:11:45,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:11:45,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:11:45,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:11:45,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:11:45,514 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_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2019-12-07 21:11:45,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:11:45,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:11:45,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:11:45,699 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:11:45,699 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:11:45,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2019-12-07 21:11:45,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/6eb74815b/7c0cfb4935ae477aa76f749662bf9de1/FLAG4173ef9e7 [2019-12-07 21:11:46,095 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:11:46,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2019-12-07 21:11:46,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/6eb74815b/7c0cfb4935ae477aa76f749662bf9de1/FLAG4173ef9e7 [2019-12-07 21:11:46,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/data/6eb74815b/7c0cfb4935ae477aa76f749662bf9de1 [2019-12-07 21:11:46,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:11:46,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:11:46,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:46,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:11:46,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:11:46,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46, skipping insertion in model container [2019-12-07 21:11:46,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:11:46,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:11:46,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:46,412 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:11:46,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:11:46,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:46,461 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:11:46,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:46,536 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:11:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46 WrapperNode [2019-12-07 21:11:46,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:46,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:46,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:11:46,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:11:46,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:46,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:11:46,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:11:46,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:11:46,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... [2019-12-07 21:11:46,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:11:46,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:11:46,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:11:46,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:11:46,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:11:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:11:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:11:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:11:47,365 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:11:47,365 INFO L287 CfgBuilder]: Removed 282 assume(true) statements. [2019-12-07 21:11:47,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:47 BoogieIcfgContainer [2019-12-07 21:11:47,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:11:47,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:11:47,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:11:47,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:11:47,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:11:46" (1/3) ... [2019-12-07 21:11:47,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1262df9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:47, skipping insertion in model container [2019-12-07 21:11:47,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:46" (2/3) ... [2019-12-07 21:11:47,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1262df9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:47, skipping insertion in model container [2019-12-07 21:11:47,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:47" (3/3) ... [2019-12-07 21:11:47,371 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2019-12-07 21:11:47,378 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:11:47,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:11:47,391 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:11:47,408 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:11:47,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:11:47,408 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:11:47,409 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:11:47,409 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:11:47,409 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:11:47,409 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:11:47,409 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:11:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-12-07 21:11:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:11:47,428 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:47,428 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:11:47,429 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:47,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:47,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1685888364, now seen corresponding path program 1 times [2019-12-07 21:11:47,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:47,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047314762] [2019-12-07 21:11:47,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:47,577 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:11:47,581 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:47,592 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 21:11:47,592 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:47,597 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 21:11:47,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047314762] [2019-12-07 21:11:47,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:47,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:11:47,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350174631] [2019-12-07 21:11:47,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:11:47,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:47,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:11:47,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:11:47,618 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-12-07 21:11:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:47,648 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2019-12-07 21:11:47,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:11:47,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 21:11:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:47,659 INFO L225 Difference]: With dead ends: 383 [2019-12-07 21:11:47,659 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 21:11:47,662 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:11:47,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 21:11:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-07 21:11:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 21:11:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2019-12-07 21:11:47,697 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2019-12-07 21:11:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:47,697 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2019-12-07 21:11:47,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:11:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2019-12-07 21:11:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:11:47,699 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:47,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:11:47,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:11:47,900 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:47,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1092357789, now seen corresponding path program 1 times [2019-12-07 21:11:47,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:47,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080069610] [2019-12-07 21:11:47,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:48,132 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:48,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:48,147 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 21:11:48,147 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:48,155 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 21:11:48,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080069610] [2019-12-07 21:11:48,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:48,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:11:48,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419377484] [2019-12-07 21:11:48,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:11:48,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:48,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:11:48,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:48,158 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand 4 states. [2019-12-07 21:11:48,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:48,172 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2019-12-07 21:11:48,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:48,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 21:11:48,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:48,174 INFO L225 Difference]: With dead ends: 191 [2019-12-07 21:11:48,175 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 21:11:48,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 21:11:48,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 21:11:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 21:11:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2019-12-07 21:11:48,183 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2019-12-07 21:11:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:48,183 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2019-12-07 21:11:48,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:11:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2019-12-07 21:11:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:11:48,184 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:48,184 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 21:11:48,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:11:48,385 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:48,386 INFO L82 PathProgramCache]: Analyzing trace with hash 359640127, now seen corresponding path program 1 times [2019-12-07 21:11:48,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:48,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001676448] [2019-12-07 21:11:48,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:48,541 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:48,543 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:48,550 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 21:11:48,551 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:48,557 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 21:11:48,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001676448] [2019-12-07 21:11:48,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:48,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:11:48,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095612229] [2019-12-07 21:11:48,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:11:48,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:48,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:11:48,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:48,559 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 4 states. [2019-12-07 21:11:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:48,577 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2019-12-07 21:11:48,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:11:48,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 21:11:48,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:48,579 INFO L225 Difference]: With dead ends: 235 [2019-12-07 21:11:48,580 INFO L226 Difference]: Without dead ends: 167 [2019-12-07 21:11:48,580 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 21:11:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-07 21:11:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 95. [2019-12-07 21:11:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 21:11:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2019-12-07 21:11:48,591 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2019-12-07 21:11:48,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:48,591 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2019-12-07 21:11:48,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:11:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2019-12-07 21:11:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 21:11:48,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:48,592 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] [2019-12-07 21:11:48,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:11:48,794 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:48,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:48,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1777034885, now seen corresponding path program 1 times [2019-12-07 21:11:48,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:48,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880927743] [2019-12-07 21:11:48,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:49,044 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:49,045 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:49,051 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 21:11:49,051 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:49,053 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 21:11:49,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880927743] [2019-12-07 21:11:49,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:49,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:11:49,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099199656] [2019-12-07 21:11:49,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:49,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:49,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:49,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:49,055 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand 3 states. [2019-12-07 21:11:49,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:49,087 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2019-12-07 21:11:49,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:49,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 21:11:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:49,089 INFO L225 Difference]: With dead ends: 193 [2019-12-07 21:11:49,089 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 21:11:49,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 21:11:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 21:11:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2019-12-07 21:11:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 21:11:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2019-12-07 21:11:49,097 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2019-12-07 21:11:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:49,097 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2019-12-07 21:11:49,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2019-12-07 21:11:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 21:11:49,098 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:49,098 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] [2019-12-07 21:11:49,299 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:11:49,300 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:49,301 INFO L82 PathProgramCache]: Analyzing trace with hash 681148104, now seen corresponding path program 1 times [2019-12-07 21:11:49,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:49,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921744695] [2019-12-07 21:11:49,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:49,563 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:11:49,565 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:49,578 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 21:11:49,578 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:49,584 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 21:11:49,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921744695] [2019-12-07 21:11:49,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:49,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:11:49,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580259350] [2019-12-07 21:11:49,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:11:49,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:49,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:11:49,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:11:49,586 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand 5 states. [2019-12-07 21:11:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:49,677 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2019-12-07 21:11:49,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:11:49,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 21:11:49,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:49,680 INFO L225 Difference]: With dead ends: 492 [2019-12-07 21:11:49,680 INFO L226 Difference]: Without dead ends: 396 [2019-12-07 21:11:49,681 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:11:49,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-12-07 21:11:49,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2019-12-07 21:11:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 21:11:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2019-12-07 21:11:49,698 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2019-12-07 21:11:49,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:49,698 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2019-12-07 21:11:49,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:11:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2019-12-07 21:11:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 21:11:49,699 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:49,699 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] [2019-12-07 21:11:49,900 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:11:49,901 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:49,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:49,902 INFO L82 PathProgramCache]: Analyzing trace with hash -752997056, now seen corresponding path program 1 times [2019-12-07 21:11:49,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:49,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787595343] [2019-12-07 21:11:49,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:50,051 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:11:50,053 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:50,065 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 21:11:50,065 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:50,068 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 21:11:50,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787595343] [2019-12-07 21:11:50,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:50,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:11:50,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440772] [2019-12-07 21:11:50,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:11:50,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:50,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:11:50,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:11:50,070 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand 5 states. [2019-12-07 21:11:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:50,227 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2019-12-07 21:11:50,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:11:50,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 21:11:50,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:50,230 INFO L225 Difference]: With dead ends: 703 [2019-12-07 21:11:50,230 INFO L226 Difference]: Without dead ends: 522 [2019-12-07 21:11:50,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:11:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-12-07 21:11:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2019-12-07 21:11:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-12-07 21:11:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2019-12-07 21:11:50,244 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2019-12-07 21:11:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:50,244 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2019-12-07 21:11:50,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:11:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2019-12-07 21:11:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 21:11:50,245 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:50,245 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, 1] [2019-12-07 21:11:50,446 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:11:50,447 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:50,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:50,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1409801979, now seen corresponding path program 1 times [2019-12-07 21:11:50,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:50,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102222543] [2019-12-07 21:11:50,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:50,657 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:11:50,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:50,669 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 21:11:50,669 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:50,672 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 21:11:50,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102222543] [2019-12-07 21:11:50,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:50,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:11:50,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57483924] [2019-12-07 21:11:50,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:11:50,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:50,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:11:50,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:11:50,674 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand 5 states. [2019-12-07 21:11:50,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:50,748 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2019-12-07 21:11:50,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:11:50,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 21:11:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:50,750 INFO L225 Difference]: With dead ends: 537 [2019-12-07 21:11:50,750 INFO L226 Difference]: Without dead ends: 358 [2019-12-07 21:11:50,751 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 21:11:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2019-12-07 21:11:50,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2019-12-07 21:11:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 21:11:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2019-12-07 21:11:50,764 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2019-12-07 21:11:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:50,764 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2019-12-07 21:11:50,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:11:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2019-12-07 21:11:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 21:11:50,765 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:50,765 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, 1] [2019-12-07 21:11:50,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:11:50,966 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2110866557, now seen corresponding path program 1 times [2019-12-07 21:11:50,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:50,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642695307] [2019-12-07 21:11:50,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:51,059 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:11:51,060 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:51,068 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 21:11:51,068 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:51,079 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 21:11:51,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642695307] [2019-12-07 21:11:51,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:51,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:11:51,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208467575] [2019-12-07 21:11:51,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:11:51,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:51,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:11:51,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:11:51,080 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand 6 states. [2019-12-07 21:11:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:51,147 INFO L93 Difference]: Finished difference Result 587 states and 795 transitions. [2019-12-07 21:11:51,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:11:51,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 21:11:51,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:51,149 INFO L225 Difference]: With dead ends: 587 [2019-12-07 21:11:51,149 INFO L226 Difference]: Without dead ends: 390 [2019-12-07 21:11:51,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 21:11:51,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-12-07 21:11:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 216. [2019-12-07 21:11:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 21:11:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2019-12-07 21:11:51,162 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2019-12-07 21:11:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:51,162 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2019-12-07 21:11:51,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:11:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2019-12-07 21:11:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 21:11:51,163 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:51,163 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, 1] [2019-12-07 21:11:51,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:11:51,365 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1524060543, now seen corresponding path program 1 times [2019-12-07 21:11:51,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:51,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424832018] [2019-12-07 21:11:51,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:51,500 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:51,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:51,506 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 21:11:51,507 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:51,513 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 21:11:51,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424832018] [2019-12-07 21:11:51,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:51,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:11:51,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581830003] [2019-12-07 21:11:51,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:11:51,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:51,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:11:51,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:51,515 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand 4 states. [2019-12-07 21:11:51,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:51,592 INFO L93 Difference]: Finished difference Result 682 states and 923 transitions. [2019-12-07 21:11:51,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:11:51,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 21:11:51,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:51,595 INFO L225 Difference]: With dead ends: 682 [2019-12-07 21:11:51,595 INFO L226 Difference]: Without dead ends: 473 [2019-12-07 21:11:51,596 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 21:11:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-12-07 21:11:51,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 381. [2019-12-07 21:11:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-12-07 21:11:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 508 transitions. [2019-12-07 21:11:51,632 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 508 transitions. Word has length 34 [2019-12-07 21:11:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:51,632 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 508 transitions. [2019-12-07 21:11:51,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:11:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 508 transitions. [2019-12-07 21:11:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 21:11:51,633 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:51,633 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, 1, 1] [2019-12-07 21:11:51,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 21:11:51,835 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:51,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash 128114367, now seen corresponding path program 1 times [2019-12-07 21:11:51,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:51,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313038181] [2019-12-07 21:11:51,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:51,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:51,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:51,996 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 21:11:51,996 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:51,999 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 21:11:51,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313038181] [2019-12-07 21:11:51,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:51,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:51,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396644674] [2019-12-07 21:11:51,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:51,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:52,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:52,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:52,000 INFO L87 Difference]: Start difference. First operand 381 states and 508 transitions. Second operand 3 states. [2019-12-07 21:11:52,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:52,057 INFO L93 Difference]: Finished difference Result 643 states and 852 transitions. [2019-12-07 21:11:52,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:52,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 21:11:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:52,060 INFO L225 Difference]: With dead ends: 643 [2019-12-07 21:11:52,060 INFO L226 Difference]: Without dead ends: 641 [2019-12-07 21:11:52,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 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 21:11:52,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-12-07 21:11:52,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 470. [2019-12-07 21:11:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-12-07 21:11:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 639 transitions. [2019-12-07 21:11:52,085 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 639 transitions. Word has length 35 [2019-12-07 21:11:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:52,085 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 639 transitions. [2019-12-07 21:11:52,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 639 transitions. [2019-12-07 21:11:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 21:11:52,086 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:52,086 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 21:11:52,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 21:11:52,287 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:52,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:52,287 INFO L82 PathProgramCache]: Analyzing trace with hash -74059363, now seen corresponding path program 1 times [2019-12-07 21:11:52,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:52,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055234930] [2019-12-07 21:11:52,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/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 21:11:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:52,403 INFO L264 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:52,405 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:52,414 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:52,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055234930] [2019-12-07 21:11:52,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:52,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:11:52,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107837580] [2019-12-07 21:11:52,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:11:52,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:52,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:11:52,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:52,425 INFO L87 Difference]: Start difference. First operand 470 states and 639 transitions. Second operand 4 states. [2019-12-07 21:11:52,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:52,635 INFO L93 Difference]: Finished difference Result 855 states and 1175 transitions. [2019-12-07 21:11:52,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:52,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-12-07 21:11:52,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:52,637 INFO L225 Difference]: With dead ends: 855 [2019-12-07 21:11:52,637 INFO L226 Difference]: Without dead ends: 392 [2019-12-07 21:11:52,638 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 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 21:11:52,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-12-07 21:11:52,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-12-07 21:11:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-12-07 21:11:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 514 transitions. [2019-12-07 21:11:52,665 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 514 transitions. Word has length 60 [2019-12-07 21:11:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:52,665 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 514 transitions. [2019-12-07 21:11:52,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:11:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 514 transitions. [2019-12-07 21:11:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 21:11:52,666 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:52,667 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 21:11:52,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 21:11:52,867 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1742925099, now seen corresponding path program 1 times [2019-12-07 21:11:52,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:52,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242120841] [2019-12-07 21:11:52,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:52,982 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:52,983 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 21:11:52,989 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 21:11:52,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242120841] [2019-12-07 21:11:52,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:52,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:52,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913928231] [2019-12-07 21:11:52,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:52,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:52,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:52,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:52,993 INFO L87 Difference]: Start difference. First operand 392 states and 514 transitions. Second operand 3 states. [2019-12-07 21:11:53,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:53,152 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2019-12-07 21:11:53,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:53,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-12-07 21:11:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:53,154 INFO L225 Difference]: With dead ends: 776 [2019-12-07 21:11:53,154 INFO L226 Difference]: Without dead ends: 299 [2019-12-07 21:11:53,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 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 21:11:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-12-07 21:11:53,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2019-12-07 21:11:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-12-07 21:11:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 381 transitions. [2019-12-07 21:11:53,168 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 381 transitions. Word has length 63 [2019-12-07 21:11:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:53,168 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 381 transitions. [2019-12-07 21:11:53,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2019-12-07 21:11:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 21:11:53,169 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:53,169 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-12-07 21:11:53,369 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 21:11:53,370 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:53,371 INFO L82 PathProgramCache]: Analyzing trace with hash 753888454, now seen corresponding path program 1 times [2019-12-07 21:11:53,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:53,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581115182] [2019-12-07 21:11:53,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:53,499 INFO L264 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:11:53,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:11:53,521 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:11:53,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581115182] [2019-12-07 21:11:53,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:53,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 21:11:53,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625203280] [2019-12-07 21:11:53,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 21:11:53,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 21:11:53,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:11:53,561 INFO L87 Difference]: Start difference. First operand 299 states and 381 transitions. Second operand 10 states. [2019-12-07 21:11:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:53,847 INFO L93 Difference]: Finished difference Result 952 states and 1186 transitions. [2019-12-07 21:11:53,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 21:11:53,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2019-12-07 21:11:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:53,848 INFO L225 Difference]: With dead ends: 952 [2019-12-07 21:11:53,848 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:11:53,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:11:53,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:11:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:11:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:11:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:11:53,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-12-07 21:11:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:53,849 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:11:53,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 21:11:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:11:53,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:11:54,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 21:11:54,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:11:54,284 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2019-12-07 21:11:54,558 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 170 [2019-12-07 21:11:54,759 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 181 [2019-12-07 21:11:54,899 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 176 [2019-12-07 21:11:55,789 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2019-12-07 21:11:56,050 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 6 [2019-12-07 21:11:57,341 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 170 DAG size of output: 36 [2019-12-07 21:11:58,683 WARN L192 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2019-12-07 21:11:59,770 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2019-12-07 21:11:59,931 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 26 [2019-12-07 21:12:00,473 WARN L192 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2019-12-07 21:12:01,151 WARN L192 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 31 [2019-12-07 21:12:01,360 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-12-07 21:12:01,685 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-12-07 21:12:02,135 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2019-12-07 21:12:03,011 WARN L192 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2019-12-07 21:12:03,349 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-12-07 21:12:03,354 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L242 CegarLoopResult]: At program point L399(lines 392 402) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))))) [2019-12-07 21:12:03,355 INFO L242 CegarLoopResult]: At program point L399-1(lines 392 402) the Hoare annotation is: false [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L242 CegarLoopResult]: At program point L399-2(lines 392 402) the Hoare annotation is: false [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333-1(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333-3(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333-4(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L333-5(lines 333 341) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-6(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,355 INFO L246 CegarLoopResult]: For program point L169-7(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L169-8(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L169-9(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L169-10(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L169-11(lines 169 175) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L203(lines 202 249) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-1(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-2(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L204(lines 204 208) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-3(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-4(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-5(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-6(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-7(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-8(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-9(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,356 INFO L246 CegarLoopResult]: For program point L303-10(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,357 INFO L246 CegarLoopResult]: For program point L303-11(lines 303 320) no Hoare annotation was computed. [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L271(lines 270 289) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not .cse5)) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse4 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse1 .cse5 .cse3) (and .cse0 .cse1 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse7 .cse3) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse4 .cse2 .cse6 .cse3)))) [2019-12-07 21:12:03,357 INFO L246 CegarLoopResult]: For program point L238(lines 238 244) no Hoare annotation was computed. [2019-12-07 21:12:03,357 INFO L246 CegarLoopResult]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L238-1(lines 271 277) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not .cse7)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse1 .cse7 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse4)))) [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L271-2(lines 270 289) the Hoare annotation is: false [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L271-3(lines 270 289) the Hoare annotation is: false [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L174(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L174-1(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L174-2(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,357 INFO L242 CegarLoopResult]: At program point L174-3(lines 165 178) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-4(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-5(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-6(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L249 CegarLoopResult]: At program point L1000(lines 981 1003) the Hoare annotation is: true [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L967(lines 963 969) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-7(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-8(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-9(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-10(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L242 CegarLoopResult]: At program point L174-11(lines 165 178) the Hoare annotation is: false [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307-1(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307-2(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307-3(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307-4(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,358 INFO L246 CegarLoopResult]: For program point L307-5(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-6(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-7(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-8(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-9(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-10(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L307-11(lines 307 315) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L242 CegarLoopResult]: At program point L408(lines 403 411) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse6)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3)))) [2019-12-07 21:12:03,359 INFO L242 CegarLoopResult]: At program point L408-1(lines 403 411) the Hoare annotation is: false [2019-12-07 21:12:03,359 INFO L242 CegarLoopResult]: At program point L408-2(lines 403 411) the Hoare annotation is: false [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476-5(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L242 CegarLoopResult]: At program point L278(lines 278 284) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not .cse1)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse2) (and .cse3 .cse5 .cse6 .cse2) (and .cse3 .cse0 .cse6 .cse2) (and .cse3 .cse5 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2)))) [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476-6(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L242 CegarLoopResult]: At program point L278-1(lines 278 284) the Hoare annotation is: false [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L212(lines 212 218) no Hoare annotation was computed. [2019-12-07 21:12:03,359 INFO L246 CegarLoopResult]: For program point L476-8(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L278-2(lines 278 284) the Hoare annotation is: false [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L212-1(lines 212 218) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not .cse8)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse1 .cse2 .cse8 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse3 .cse4)))) [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-9(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-11(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-12(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-14(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-15(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L476-17(lines 476 480) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L875(lines 870 877) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L1009(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L1009-1(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L246 CegarLoopResult]: For program point L1009-2(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L250(lines 201 251) the Hoare annotation is: false [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L184(lines 179 187) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L184-1(lines 179 187) the Hoare annotation is: false [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2019-12-07 21:12:03,360 INFO L242 CegarLoopResult]: At program point L184-3(lines 179 187) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L184-4(lines 179 187) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L184-5(lines 179 187) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482(lines 467 485) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482-1(lines 467 485) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482-2(lines 467 485) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482-3(lines 467 485) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482-4(lines 467 485) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L482-5(lines 467 485) the Hoare annotation is: false [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L242 CegarLoopResult]: At program point L222-1(lines 222 228) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not .cse7)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse1 .cse2 .cse7 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse4)))) [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L355(lines 355 372) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L355-1(lines 355 372) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L355-2(lines 355 372) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2019-12-07 21:12:03,361 INFO L246 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L886(lines 886 903) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L242 CegarLoopResult]: At program point L886-1(lines 1 1012) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not .cse8)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse1 .cse2 .cse8 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse3 .cse4)))) [2019-12-07 21:12:03,362 INFO L242 CegarLoopResult]: At program point L919-2(lines 919 933) the Hoare annotation is: false [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L886-2(lines 886 903) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L242 CegarLoopResult]: At program point L886-3(lines 1 1012) the Hoare annotation is: false [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L886-4(lines 886 903) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L242 CegarLoopResult]: At program point L886-5(lines 1 1012) the Hoare annotation is: false [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L242 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-5(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-8(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-9(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-11(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point L457-12(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-14(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-15(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-17(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-18(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-20(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-21(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-23(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-24(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-26(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-27(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-29(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-30(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-32(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-33(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L359(lines 359 367) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L359-1(lines 359 367) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L457-35(lines 457 461) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L246 CegarLoopResult]: For program point L359-2(lines 359 367) no Hoare annotation was computed. [2019-12-07 21:12:03,363 INFO L242 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not .cse8)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse7 .cse4) (and .cse2 .cse8 .cse4) (and .cse0 .cse2 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4)))) [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L129-3(lines 124 132) the Hoare annotation is: false [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L129-4(lines 124 132) the Hoare annotation is: false [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L129-5(lines 124 132) the Hoare annotation is: false [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L890(lines 890 900) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L923-1(lines 271 277) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L890-2(lines 890 900) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L890-4(lines 890 900) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329-1(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329-3(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L329-5(lines 329 346) no Hoare annotation was computed. [2019-12-07 21:12:03,364 INFO L242 CegarLoopResult]: At program point L65(lines 1 1012) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:12:03,364 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point L891-2(lines 891 897) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point L891-4(lines 891 897) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point L991(lines 991 998) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L249 CegarLoopResult]: At program point L991-1(lines 991 998) the Hoare annotation is: true [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-1(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-2(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-3(lines 448 466) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-4(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-5(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-6(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L246 CegarLoopResult]: For program point L232(lines 232 245) no Hoare annotation was computed. [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-7(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-8(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,365 INFO L242 CegarLoopResult]: At program point L463-9(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,366 INFO L242 CegarLoopResult]: At program point L463-10(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,366 INFO L242 CegarLoopResult]: At program point L463-11(lines 448 466) the Hoare annotation is: false [2019-12-07 21:12:03,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:12:03 BoogieIcfgContainer [2019-12-07 21:12:03,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:12:03,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:12:03,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:12:03,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:12:03,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:47" (3/4) ... [2019-12-07 21:12:03,402 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:12:03,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:12:03,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:12:03,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:12:03,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:12:03,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:12:03,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:12:03,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:12:03,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 21:12:03,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:12:03,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:12:03,462 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:12:03,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22e1f970-15e8-4a69-ad0a-508a7560b5c2/bin/utaipan/witness.graphml [2019-12-07 21:12:03,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:12:03,525 INFO L168 Benchmark]: Toolchain (without parser) took 17408.68 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 945.7 MB in the beginning and 870.7 MB in the end (delta: 74.9 MB). Peak memory consumption was 441.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,525 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:12:03,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,526 INFO L168 Benchmark]: Boogie Preprocessor took 48.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,527 INFO L168 Benchmark]: RCFGBuilder took 724.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,527 INFO L168 Benchmark]: TraceAbstraction took 16031.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.5 MB). Free memory was 1.0 GB in the beginning and 892.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 428.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,527 INFO L168 Benchmark]: Witness Printer took 125.07 ms. Allocated memory is still 1.4 GB. Free memory was 892.5 MB in the beginning and 870.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:03,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 724.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16031.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.5 MB). Free memory was 1.0 GB in the beginning and 892.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 428.1 MB. Max. memory is 11.5 GB. * Witness Printer took 125.07 ms. Allocated memory is still 1.4 GB. Free memory was 892.5 MB in the beginning and 870.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Result: SAFE, OverallTime: 6.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, HoareTripleCheckerStatistics: 1677 SDtfs, 1831 SDslu, 2869 SDs, 0 SdLazy, 355 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 932 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred 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, 13 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 376 NumberOfFragments, 1116 HoareAnnotationTreeSize, 69 FomulaSimplifications, 261257 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 665086 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 74486 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2642 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 134/134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...