./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ...................................................................................................................................... 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_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:43:25,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:43:25,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:43:25,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:43:25,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:43:25,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:43:25,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:43:25,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:43:25,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:43:25,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:43:25,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:43:25,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:43:25,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:43:25,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:43:25,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:43:25,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:43:25,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:43:25,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:43:25,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:43:25,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:43:25,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:43:25,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:43:25,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:43:25,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:43:25,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:43:25,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:43:25,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:43:25,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:43:25,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:43:25,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:43:25,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:43:25,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:43:25,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:43:25,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:43:25,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:43:25,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:43:25,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:43:25,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:43:25,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:43:25,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:43:25,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:43:25,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:43:25,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:43:25,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:43:25,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:43:25,811 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:43:25,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:43:25,812 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:43:25,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:43:25,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:43:25,813 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:43:25,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:43:25,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:43:25,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:43:25,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:43:25,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:43:25,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:43:25,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:43:25,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:43:25,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:43:25,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:43:25,816 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_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2019-12-07 14:43:25,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:43:25,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:43:25,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:43:25,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:43:25,925 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:43:25,925 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 14:43:25,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/0034b4bbb/55ff2b6af0344250b3d61368c6b9a5a8/FLAG7a08873b2 [2019-12-07 14:43:26,432 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:43:26,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 14:43:26,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/0034b4bbb/55ff2b6af0344250b3d61368c6b9a5a8/FLAG7a08873b2 [2019-12-07 14:43:26,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/0034b4bbb/55ff2b6af0344250b3d61368c6b9a5a8 [2019-12-07 14:43:26,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:43:26,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:43:26,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:26,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:43:26,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:43:26,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:26" (1/1) ... [2019-12-07 14:43:26,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:26, skipping insertion in model container [2019-12-07 14:43:26,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:26" (1/1) ... [2019-12-07 14:43:26,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:43:26,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:43:27,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:27,214 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 14:43:27,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2adc3811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:27, skipping insertion in model container [2019-12-07 14:43:27,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:27,215 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:43:27,216 INFO L168 Benchmark]: Toolchain (without parser) took 268.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:27,217 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:43:27,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:27,219 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 616]: 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 14:43:28,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:43:28,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:43:28,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:43:28,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:43:28,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:43:28,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:43:28,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:43:28,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:43:28,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:43:28,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:43:28,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:43:28,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:43:28,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:43:28,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:43:28,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:43:28,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:43:28,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:43:28,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:43:28,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:43:28,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:43:28,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:43:28,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:43:28,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:43:28,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:43:28,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:43:28,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:43:28,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:43:28,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:43:28,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:43:28,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:43:28,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:43:28,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:43:28,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:43:28,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:43:28,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:43:28,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:43:28,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:43:28,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:43:28,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:43:28,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:43:28,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:43:28,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:43:28,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:43:28,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:43:28,398 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:43:28,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:43:28,398 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:43:28,398 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:43:28,399 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:43:28,399 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:43:28,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:43:28,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:43:28,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:43:28,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:43:28,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:43:28,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:43:28,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:43:28,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:43:28,403 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_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2019-12-07 14:43:28,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:43:28,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:43:28,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:43:28,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:43:28,576 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:43:28,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 14:43:28,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/f3760110b/eee59417dd0e481b8a421b17dde11a69/FLAG86f7f2854 [2019-12-07 14:43:29,060 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:43:29,061 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 14:43:29,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/f3760110b/eee59417dd0e481b8a421b17dde11a69/FLAG86f7f2854 [2019-12-07 14:43:29,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/data/f3760110b/eee59417dd0e481b8a421b17dde11a69 [2019-12-07 14:43:29,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:43:29,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:43:29,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:29,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:43:29,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:43:29,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29, skipping insertion in model container [2019-12-07 14:43:29,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:43:29,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:43:29,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:29,679 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:43:29,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:43:29,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:29,740 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:43:29,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:29,806 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:43:29,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29 WrapperNode [2019-12-07 14:43:29,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:29,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:29,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:43:29,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:43:29,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:29,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:43:29,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:43:29,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:43:29,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... [2019-12-07 14:43:29,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:43:29,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:43:29,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:43:29,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:43:29,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:43:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:43:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:43:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:43:30,503 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:43:30,504 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-12-07 14:43:30,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:30 BoogieIcfgContainer [2019-12-07 14:43:30,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:43:30,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:43:30,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:43:30,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:43:30,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:43:29" (1/3) ... [2019-12-07 14:43:30,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de96b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:30, skipping insertion in model container [2019-12-07 14:43:30,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:29" (2/3) ... [2019-12-07 14:43:30,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de96b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:30, skipping insertion in model container [2019-12-07 14:43:30,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:30" (3/3) ... [2019-12-07 14:43:30,510 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-12-07 14:43:30,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:43:30,523 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:43:30,531 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:43:30,549 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:43:30,549 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:43:30,549 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:43:30,549 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:43:30,549 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:43:30,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:43:30,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:43:30,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:43:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 14:43:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:43:30,566 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:30,567 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:30,567 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:30,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:30,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2019-12-07 14:43:30,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:30,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536442457] [2019-12-07 14:43:30,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:30,706 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:43:30,710 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:30,720 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 14:43:30,720 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:30,724 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 14:43:30,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536442457] [2019-12-07 14:43:30,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:30,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:43:30,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731482170] [2019-12-07 14:43:30,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:43:30,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:30,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:43:30,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:30,739 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 14:43:30,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:30,762 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2019-12-07 14:43:30,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:43:30,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:43:30,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:30,772 INFO L225 Difference]: With dead ends: 252 [2019-12-07 14:43:30,772 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 14:43:30,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:30,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 14:43:30,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 14:43:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 14:43:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-12-07 14:43:30,807 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2019-12-07 14:43:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:30,807 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 14:43:30,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:43:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2019-12-07 14:43:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:43:30,808 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:30,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:31,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:43:31,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:31,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:31,010 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2019-12-07 14:43:31,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:31,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412538826] [2019-12-07 14:43:31,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:31,140 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:43:31,142 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:31,155 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 14:43:31,155 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:31,163 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 14:43:31,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412538826] [2019-12-07 14:43:31,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:31,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:43:31,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590589543] [2019-12-07 14:43:31,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:43:31,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:31,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:43:31,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:43:31,165 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 4 states. [2019-12-07 14:43:31,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:31,178 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2019-12-07 14:43:31,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:43:31,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:43:31,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:31,179 INFO L225 Difference]: With dead ends: 125 [2019-12-07 14:43:31,179 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 14:43:31,180 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:43:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 14:43:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 14:43:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 14:43:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-12-07 14:43:31,185 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2019-12-07 14:43:31,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:31,185 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-12-07 14:43:31,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:43:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-12-07 14:43:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:43:31,186 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:31,186 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:31,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:43:31,387 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:31,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:31,388 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2019-12-07 14:43:31,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:31,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936425907] [2019-12-07 14:43:31,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:31,528 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:43:31,529 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:31,536 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 14:43:31,536 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:31,542 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 14:43:31,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936425907] [2019-12-07 14:43:31,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:31,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:43:31,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354421144] [2019-12-07 14:43:31,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:43:31,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:31,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:43:31,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:43:31,545 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 4 states. [2019-12-07 14:43:31,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:31,583 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2019-12-07 14:43:31,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:43:31,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:43:31,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:31,585 INFO L225 Difference]: With dead ends: 96 [2019-12-07 14:43:31,585 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 14:43:31,586 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:43:31,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 14:43:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 14:43:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 14:43:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-12-07 14:43:31,593 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2019-12-07 14:43:31,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:31,593 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-12-07 14:43:31,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:43:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-12-07 14:43:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:43:31,595 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:31,595 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 14:43:31,796 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:43:31,797 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:31,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:31,797 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2019-12-07 14:43:31,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:31,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188830211] [2019-12-07 14:43:31,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:31,929 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:43:31,930 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:43:31,936 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:31,938 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 14:43:31,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188830211] [2019-12-07 14:43:31,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:31,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:43:31,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753002463] [2019-12-07 14:43:31,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:43:31,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:31,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:43:31,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:43:31,939 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-12-07 14:43:31,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:31,989 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2019-12-07 14:43:31,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:43:31,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:43:31,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:31,990 INFO L225 Difference]: With dead ends: 117 [2019-12-07 14:43:31,990 INFO L226 Difference]: Without dead ends: 72 [2019-12-07 14:43:31,991 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:43:31,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-07 14:43:31,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-12-07 14:43:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 14:43:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2019-12-07 14:43:31,997 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2019-12-07 14:43:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:31,998 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2019-12-07 14:43:31,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:43:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-12-07 14:43:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 14:43:31,999 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:31,999 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:32,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:43:32,200 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:32,201 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2019-12-07 14:43:32,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:32,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125433587] [2019-12-07 14:43:32,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:32,335 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:43:32,336 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:32,349 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 14:43:32,349 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:32,357 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 14:43:32,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125433587] [2019-12-07 14:43:32,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:32,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 14:43:32,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723727934] [2019-12-07 14:43:32,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:43:32,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:32,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:43:32,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:43:32,358 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2019-12-07 14:43:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:32,453 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2019-12-07 14:43:32,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:43:32,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 14:43:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:32,456 INFO L225 Difference]: With dead ends: 335 [2019-12-07 14:43:32,456 INFO L226 Difference]: Without dead ends: 271 [2019-12-07 14:43:32,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:43:32,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-12-07 14:43:32,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2019-12-07 14:43:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 14:43:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-07 14:43:32,477 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2019-12-07 14:43:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:32,478 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-07 14:43:32,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:43:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-07 14:43:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 14:43:32,479 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:32,479 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:32,680 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:43:32,681 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:32,682 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2019-12-07 14:43:32,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:32,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156033770] [2019-12-07 14:43:32,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:32,828 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:43:32,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:32,841 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 14:43:32,841 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:32,845 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 14:43:32,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156033770] [2019-12-07 14:43:32,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:32,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:43:32,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352577373] [2019-12-07 14:43:32,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:43:32,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:32,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:43:32,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:43:32,848 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2019-12-07 14:43:32,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:32,971 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2019-12-07 14:43:32,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:43:32,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 14:43:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:32,973 INFO L225 Difference]: With dead ends: 366 [2019-12-07 14:43:32,973 INFO L226 Difference]: Without dead ends: 364 [2019-12-07 14:43:32,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:43:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-12-07 14:43:32,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-12-07 14:43:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 14:43:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2019-12-07 14:43:32,984 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2019-12-07 14:43:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:32,984 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2019-12-07 14:43:32,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:43:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2019-12-07 14:43:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:43:32,985 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:32,985 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 14:43:33,186 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:43:33,187 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:33,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:33,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2019-12-07 14:43:33,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:33,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575152694] [2019-12-07 14:43:33,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:33,379 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:43:33,380 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:33,391 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 14:43:33,391 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:33,393 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 14:43:33,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575152694] [2019-12-07 14:43:33,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:33,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:43:33,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152868639] [2019-12-07 14:43:33,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:43:33,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:43:33,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:43:33,394 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2019-12-07 14:43:33,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:33,444 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2019-12-07 14:43:33,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:43:33,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 14:43:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:33,446 INFO L225 Difference]: With dead ends: 336 [2019-12-07 14:43:33,447 INFO L226 Difference]: Without dead ends: 214 [2019-12-07 14:43:33,448 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 14:43:33,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-12-07 14:43:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2019-12-07 14:43:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 14:43:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2019-12-07 14:43:33,460 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2019-12-07 14:43:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:33,461 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2019-12-07 14:43:33,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:43:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2019-12-07 14:43:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:43:33,462 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:33,462 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 14:43:33,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 14:43:33,663 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:33,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:33,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2019-12-07 14:43:33,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:33,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669039541] [2019-12-07 14:43:33,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:33,804 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:43:33,805 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:33,812 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 14:43:33,812 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:33,822 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 14:43:33,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669039541] [2019-12-07 14:43:33,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:33,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:43:33,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919286057] [2019-12-07 14:43:33,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:43:33,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:33,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:43:33,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:43:33,823 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2019-12-07 14:43:33,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:33,866 INFO L93 Difference]: Finished difference Result 370 states and 498 transitions. [2019-12-07 14:43:33,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:43:33,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 14:43:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:33,868 INFO L225 Difference]: With dead ends: 370 [2019-12-07 14:43:33,868 INFO L226 Difference]: Without dead ends: 236 [2019-12-07 14:43:33,869 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 14:43:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-12-07 14:43:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 148. [2019-12-07 14:43:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 14:43:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2019-12-07 14:43:33,883 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2019-12-07 14:43:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:33,883 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2019-12-07 14:43:33,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:43:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2019-12-07 14:43:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:43:33,885 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:33,885 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 14:43:34,085 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 14:43:34,085 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:34,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:34,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2019-12-07 14:43:34,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:34,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325016944] [2019-12-07 14:43:34,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:34,174 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:43:34,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:34,180 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 14:43:34,180 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:34,187 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 14:43:34,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325016944] [2019-12-07 14:43:34,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:34,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:43:34,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386617260] [2019-12-07 14:43:34,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:43:34,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:34,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:43:34,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:43:34,188 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 4 states. [2019-12-07 14:43:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:34,240 INFO L93 Difference]: Finished difference Result 442 states and 594 transitions. [2019-12-07 14:43:34,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:43:34,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 14:43:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:34,243 INFO L225 Difference]: With dead ends: 442 [2019-12-07 14:43:34,243 INFO L226 Difference]: Without dead ends: 300 [2019-12-07 14:43:34,243 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 14:43:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-12-07 14:43:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 248. [2019-12-07 14:43:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-12-07 14:43:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 329 transitions. [2019-12-07 14:43:34,264 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 329 transitions. Word has length 34 [2019-12-07 14:43:34,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:34,265 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 329 transitions. [2019-12-07 14:43:34,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:43:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 329 transitions. [2019-12-07 14:43:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 14:43:34,265 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:34,266 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 14:43:34,466 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 14:43:34,467 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:34,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2019-12-07 14:43:34,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:34,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119308884] [2019-12-07 14:43:34,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:34,604 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:43:34,605 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:34,624 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 14:43:34,624 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:34,654 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 14:43:34,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119308884] [2019-12-07 14:43:34,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:34,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:43:34,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172183614] [2019-12-07 14:43:34,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:43:34,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:34,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:43:34,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:43:34,655 INFO L87 Difference]: Start difference. First operand 248 states and 329 transitions. Second operand 10 states. [2019-12-07 14:43:35,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:35,091 INFO L93 Difference]: Finished difference Result 1084 states and 1406 transitions. [2019-12-07 14:43:35,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 14:43:35,091 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 14:43:35,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:35,096 INFO L225 Difference]: With dead ends: 1084 [2019-12-07 14:43:35,096 INFO L226 Difference]: Without dead ends: 842 [2019-12-07 14:43:35,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 14:43:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2019-12-07 14:43:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 248. [2019-12-07 14:43:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-12-07 14:43:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2019-12-07 14:43:35,124 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 35 [2019-12-07 14:43:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:35,125 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2019-12-07 14:43:35,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:43:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2019-12-07 14:43:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 14:43:35,125 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:35,126 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 14:43:35,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 14:43:35,326 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:35,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:35,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2019-12-07 14:43:35,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:43:35,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284817441] [2019-12-07 14:43:35,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/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 14:43:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:35,429 INFO L264 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:43:35,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 14:43:35,451 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 14:43:35,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284817441] [2019-12-07 14:43:35,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:35,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:43:35,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908644555] [2019-12-07 14:43:35,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:43:35,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:43:35,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:43:35,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:43:35,484 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand 10 states. [2019-12-07 14:43:35,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:35,857 INFO L93 Difference]: Finished difference Result 760 states and 979 transitions. [2019-12-07 14:43:35,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:43:35,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-12-07 14:43:35,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:35,858 INFO L225 Difference]: With dead ends: 760 [2019-12-07 14:43:35,858 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:43:35,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-12-07 14:43:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:43:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:43:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:43:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:43:35,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 14:43:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:35,860 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:43:35,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:43:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:43:35,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:43:36,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 14:43:36,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:43:36,372 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2019-12-07 14:43:36,648 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 109 [2019-12-07 14:43:36,802 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 137 [2019-12-07 14:43:37,018 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 116 [2019-12-07 14:43:37,139 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 116 [2019-12-07 14:43:38,164 WARN L192 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2019-12-07 14:43:38,603 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 21 [2019-12-07 14:43:39,464 WARN L192 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 24 [2019-12-07 14:43:40,517 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 24 [2019-12-07 14:43:40,784 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 14 [2019-12-07 14:43:41,438 WARN L192 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 17 [2019-12-07 14:43:42,461 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 135 DAG size of output: 14 [2019-12-07 14:43:42,701 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 19 [2019-12-07 14:43:42,825 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2019-12-07 14:43:43,245 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17 [2019-12-07 14:43:43,955 WARN L192 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 14 [2019-12-07 14:43:44,935 WARN L192 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 14 [2019-12-07 14:43:45,085 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L242 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse3 .cse2))) [2019-12-07 14:43:45,086 INFO L242 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2019-12-07 14:43:45,086 INFO L242 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2019-12-07 14:43:45,086 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L500-3(lines 500 504) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L500-6(lines 500 504) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L242 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,086 INFO L246 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L246 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2019-12-07 14:43:45,087 INFO L242 CegarLoopResult]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,087 INFO L242 CegarLoopResult]: At program point L537-1(lines 532 540) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:43:45,087 INFO L242 CegarLoopResult]: At program point L537-2(lines 532 540) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-12-07 14:43:45,087 INFO L242 CegarLoopResult]: At program point L537-3(lines 532 540) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,087 INFO L242 CegarLoopResult]: At program point L537-4(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-5(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-6(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-7(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L246 CegarLoopResult]: For program point L339-1(lines 128 134) no Hoare annotation was computed. [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-8(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-9(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-10(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L537-11(lines 532 540) the Hoare annotation is: false [2019-12-07 14:43:45,088 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,088 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,088 INFO L246 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-12-07 14:43:45,088 INFO L242 CegarLoopResult]: At program point L475-1(lines 1 952) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse0 .cse1 .cse2) (and .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2019-12-07 14:43:45,089 INFO L246 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-12-07 14:43:45,089 INFO L246 CegarLoopResult]: For program point L475-2(lines 475 488) no Hoare annotation was computed. [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L475-3(lines 1 952) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L249 CegarLoopResult]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2019-12-07 14:43:45,089 INFO L246 CegarLoopResult]: For program point L475-4(lines 475 488) no Hoare annotation was computed. [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L475-5(lines 1 952) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L242 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2019-12-07 14:43:45,089 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,089 INFO L246 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,090 INFO L246 CegarLoopResult]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,090 INFO L246 CegarLoopResult]: For program point L577-3(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L445(lines 1 952) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:43:45,090 INFO L246 CegarLoopResult]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,090 INFO L246 CegarLoopResult]: For program point L577-5(lines 577 583) no Hoare annotation was computed. [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))))) [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-3(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-4(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-5(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-6(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-7(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,090 INFO L242 CegarLoopResult]: At program point L247-8(lines 240 250) the Hoare annotation is: false [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582(lines 573 586) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582-1(lines 573 586) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582-2(lines 573 586) the Hoare annotation is: false [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582-3(lines 573 586) the Hoare annotation is: false [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582-4(lines 573 586) the Hoare annotation is: false [2019-12-07 14:43:45,091 INFO L242 CegarLoopResult]: At program point L582-5(lines 573 586) the Hoare annotation is: false [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-12-07 14:43:45,091 INFO L246 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L249 CegarLoopResult]: At program point L418(lines 399 421) the Hoare annotation is: true [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L242 CegarLoopResult]: At program point L453(lines 448 456) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222-4(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222-6(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222-8(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L222-10(lines 222 228) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:43:45,092 INFO L242 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:43:45,092 INFO L242 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2019-12-07 14:43:45,092 INFO L246 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L242 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L242 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L242 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:43:45,093 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-12-07 14:43:45,093 INFO L242 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2019-12-07 14:43:45,094 INFO L242 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse0 .cse1 .cse2) (and .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,094 INFO L246 CegarLoopResult]: For program point L462-2(line 462) no Hoare annotation was computed. [2019-12-07 14:43:45,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:43:45 BoogieIcfgContainer [2019-12-07 14:43:45,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:43:45,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:43:45,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:43:45,123 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:43:45,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:30" (3/4) ... [2019-12-07 14:43:45,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:43:45,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:43:45,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:43:45,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:43:45,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:43:45,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:43:45,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:43:45,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:43:45,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:43:45,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:43:45,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:43:45,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:43:45,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) [2019-12-07 14:43:45,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:43:45,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:43:45,213 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_afdeb485-92cc-43e0-af5a-d20a87b168bd/bin/utaipan/witness.graphml [2019-12-07 14:43:45,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:43:45,214 INFO L168 Benchmark]: Toolchain (without parser) took 15808.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 359.7 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -294.2 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,214 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:43:45,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,215 INFO L168 Benchmark]: Boogie Preprocessor took 36.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:43:45,215 INFO L168 Benchmark]: RCFGBuilder took 613.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,215 INFO L168 Benchmark]: TraceAbstraction took 14616.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -236.0 MB). Peak memory consumption was 444.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,215 INFO L168 Benchmark]: Witness Printer took 90.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:45,216 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 613.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14616.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -236.0 MB). Peak memory consumption was 444.2 MB. Max. memory is 11.5 GB. * Witness Printer took 90.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: 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: 532]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || (((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, HoareTripleCheckerStatistics: 1297 SDtfs, 1997 SDslu, 3150 SDs, 0 SdLazy, 449 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 270 NumberOfFragments, 685 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2013081 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 468473 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 37531 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2162 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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...