./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 ...................................................................................................................................... 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_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:09:12,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:09:12,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:09:12,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:09:12,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:09:12,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:09:12,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:09:12,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:09:12,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:09:12,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:09:12,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:09:12,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:09:12,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:09:12,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:09:12,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:09:12,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:09:12,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:09:12,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:09:12,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:09:12,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:09:12,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:09:12,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:09:12,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:09:12,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:09:12,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:09:12,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:09:12,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:09:12,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:09:12,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:09:12,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:09:12,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:09:12,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:09:12,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:09:12,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:09:12,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:09:12,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:09:12,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:09:12,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:09:12,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:09:12,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:09:12,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:09:12,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:09:12,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:09:12,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:09:12,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:09:12,188 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:09:12,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:09:12,188 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:09:12,189 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:09:12,189 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:09:12,190 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:09:12,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:09:12,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:09:12,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:09:12,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:09:12,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:09:12,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:09:12,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:09:12,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:09:12,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:09:12,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:09:12,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:09:12,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:09:12,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:09:12,193 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_47cd340c-837e-4175-93d8-5673889d9275/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2019-12-07 20:09:12,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:09:12,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:09:12,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:09:12,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:09:12,303 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:09:12,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-12-07 20:09:12,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/37d7016eb/bad621e926314e2aab2a9931f6839d98/FLAG5fb44df00 [2019-12-07 20:09:12,856 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:09:12,857 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-12-07 20:09:12,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/37d7016eb/bad621e926314e2aab2a9931f6839d98/FLAG5fb44df00 [2019-12-07 20:09:13,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/37d7016eb/bad621e926314e2aab2a9931f6839d98 [2019-12-07 20:09:13,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:09:13,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:09:13,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:09:13,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:09:13,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:09:13,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:09:13" (1/1) ... [2019-12-07 20:09:13,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48db4d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:13, skipping insertion in model container [2019-12-07 20:09:13,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:09:13" (1/1) ... [2019-12-07 20:09:13,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:09:13,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:09:13,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:09:13,581 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 20:09:13,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2de3ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:13, skipping insertion in model container [2019-12-07 20:09:13,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:09:13,582 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:09:13,584 INFO L168 Benchmark]: Toolchain (without parser) took 252.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:09:13,584 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:09:13,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:09:13,586 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 172]: 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 20:09:14,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:09:14,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:09:14,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:09:14,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:09:14,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:09:14,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:09:14,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:09:14,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:09:14,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:09:14,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:09:14,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:09:14,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:09:14,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:09:14,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:09:14,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:09:14,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:09:14,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:09:14,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:09:14,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:09:14,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:09:14,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:09:14,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:09:14,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:09:14,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:09:14,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:09:14,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:09:14,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:09:14,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:09:14,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:09:14,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:09:14,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:09:14,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:09:14,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:09:14,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:09:14,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:09:14,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:09:14,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:09:14,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:09:14,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:09:14,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:09:14,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:09:14,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:09:14,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:09:14,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:09:14,796 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:09:14,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:09:14,796 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:09:14,796 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:09:14,796 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:09:14,797 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:09:14,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:09:14,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:09:14,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:09:14,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:09:14,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:09:14,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:09:14,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:09:14,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:09:14,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:09:14,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:09:14,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:09:14,801 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_47cd340c-837e-4175-93d8-5673889d9275/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2019-12-07 20:09:14,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:09:14,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:09:14,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:09:14,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:09:14,976 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:09:14,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-12-07 20:09:15,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/8e9b14f21/97c8f7937e374d28a860865b8a663c4c/FLAG809995ccf [2019-12-07 20:09:15,560 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:09:15,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-12-07 20:09:15,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/8e9b14f21/97c8f7937e374d28a860865b8a663c4c/FLAG809995ccf [2019-12-07 20:09:16,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/data/8e9b14f21/97c8f7937e374d28a860865b8a663c4c [2019-12-07 20:09:16,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:09:16,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:09:16,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:09:16,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:09:16,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:09:16,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16, skipping insertion in model container [2019-12-07 20:09:16,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:09:16,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:09:16,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:09:16,290 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:09:16,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:09:16,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:09:16,339 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:09:16,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:09:16,403 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:09:16,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16 WrapperNode [2019-12-07 20:09:16,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:09:16,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:09:16,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:09:16,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:09:16,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:09:16,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:09:16,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:09:16,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:09:16,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... [2019-12-07 20:09:16,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:09:16,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:09:16,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:09:16,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:09:16,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:09:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:09:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:09:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:09:17,032 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:09:17,032 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 20:09:17,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:09:17 BoogieIcfgContainer [2019-12-07 20:09:17,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:09:17,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:09:17,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:09:17,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:09:17,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:09:16" (1/3) ... [2019-12-07 20:09:17,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1773d72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:09:17, skipping insertion in model container [2019-12-07 20:09:17,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:09:16" (2/3) ... [2019-12-07 20:09:17,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1773d72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:09:17, skipping insertion in model container [2019-12-07 20:09:17,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:09:17" (3/3) ... [2019-12-07 20:09:17,040 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-12-07 20:09:17,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:09:17,057 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:09:17,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:09:17,080 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:09:17,080 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:09:17,080 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:09:17,080 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:09:17,080 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:09:17,080 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:09:17,080 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:09:17,080 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:09:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 20:09:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:09:17,097 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:17,098 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:17,098 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:17,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:17,102 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2019-12-07 20:09:17,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:17,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472907688] [2019-12-07 20:09:17,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:17,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:09:17,269 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:17,280 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 20:09:17,280 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:17,285 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 20:09:17,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472907688] [2019-12-07 20:09:17,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:17,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:09:17,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106669517] [2019-12-07 20:09:17,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:09:17,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:17,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:09:17,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:09:17,301 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 20:09:17,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:17,329 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-12-07 20:09:17,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:09:17,330 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:09:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:17,339 INFO L225 Difference]: With dead ends: 228 [2019-12-07 20:09:17,339 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 20:09:17,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:09:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 20:09:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 20:09:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 20:09:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-12-07 20:09:17,375 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-12-07 20:09:17,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:17,375 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-12-07 20:09:17,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:09:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-12-07 20:09:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:09:17,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:17,376 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:17,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:09:17,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:17,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2019-12-07 20:09:17,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:17,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627645788] [2019-12-07 20:09:17,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:17,797 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:09:17,799 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:17,812 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 20:09:17,813 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:17,822 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 20:09:17,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627645788] [2019-12-07 20:09:17,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:17,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:09:17,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251112265] [2019-12-07 20:09:17,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:09:17,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:17,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:09:17,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:09:17,825 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 4 states. [2019-12-07 20:09:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:17,841 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 20:09:17,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:09:17,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:09:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:17,843 INFO L225 Difference]: With dead ends: 113 [2019-12-07 20:09:17,843 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 20:09:17,844 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:09:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 20:09:17,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 20:09:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 20:09:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 20:09:17,850 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-12-07 20:09:17,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:17,851 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 20:09:17,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:09:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 20:09:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:09:17,852 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:17,852 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 20:09:18,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:09:18,053 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:18,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:18,053 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2019-12-07 20:09:18,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:18,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455272045] [2019-12-07 20:09:18,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:18,164 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:09:18,166 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:18,175 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 20:09:18,175 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:18,183 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 20:09:18,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455272045] [2019-12-07 20:09:18,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:18,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:09:18,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256251841] [2019-12-07 20:09:18,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:09:18,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:18,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:09:18,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:09:18,185 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2019-12-07 20:09:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:18,192 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-12-07 20:09:18,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:09:18,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:09:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:18,193 INFO L225 Difference]: With dead ends: 88 [2019-12-07 20:09:18,193 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 20:09:18,194 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:09:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 20:09:18,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 20:09:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 20:09:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 20:09:18,198 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-12-07 20:09:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:18,199 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 20:09:18,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:09:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 20:09:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:09:18,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:18,200 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:18,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:09:18,401 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:18,403 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2019-12-07 20:09:18,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:18,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512590348] [2019-12-07 20:09:18,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:18,550 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:09:18,552 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:09:18,557 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:18,559 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 20:09:18,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512590348] [2019-12-07 20:09:18,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:18,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:09:18,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196208312] [2019-12-07 20:09:18,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:09:18,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:18,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:09:18,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:09:18,561 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 20:09:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:18,612 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-12-07 20:09:18,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:09:18,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 20:09:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:18,613 INFO L225 Difference]: With dead ends: 111 [2019-12-07 20:09:18,613 INFO L226 Difference]: Without dead ends: 70 [2019-12-07 20:09:18,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 20:09:18,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-07 20:09:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-12-07 20:09:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 20:09:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-12-07 20:09:18,621 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-12-07 20:09:18,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:18,621 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-12-07 20:09:18,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:09:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-12-07 20:09:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:09:18,622 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:18,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:18,822 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:09:18,824 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:18,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:18,825 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2019-12-07 20:09:18,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:18,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832935745] [2019-12-07 20:09:18,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:18,966 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:18,967 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:18,986 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 20:09:18,986 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:18,992 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 20:09:18,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832935745] [2019-12-07 20:09:18,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:18,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:09:18,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094692780] [2019-12-07 20:09:18,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:09:18,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:09:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:09:18,993 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-12-07 20:09:19,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:19,038 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-12-07 20:09:19,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:09:19,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 20:09:19,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:19,039 INFO L225 Difference]: With dead ends: 183 [2019-12-07 20:09:19,040 INFO L226 Difference]: Without dead ends: 121 [2019-12-07 20:09:19,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 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 20:09:19,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-12-07 20:09:19,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-12-07 20:09:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 20:09:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-12-07 20:09:19,047 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-12-07 20:09:19,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:19,048 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-12-07 20:09:19,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:09:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-12-07 20:09:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 20:09:19,049 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:19,049 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:19,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:09:19,251 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:19,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:19,252 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2019-12-07 20:09:19,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:19,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659532631] [2019-12-07 20:09:19,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:19,392 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:19,394 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:19,409 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 20:09:19,409 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:19,430 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 20:09:19,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659532631] [2019-12-07 20:09:19,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:19,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:09:19,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135627714] [2019-12-07 20:09:19,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:09:19,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:19,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:09:19,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:09:19,431 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 8 states. [2019-12-07 20:09:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:19,718 INFO L93 Difference]: Finished difference Result 815 states and 1157 transitions. [2019-12-07 20:09:19,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:09:19,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 20:09:19,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:19,722 INFO L225 Difference]: With dead ends: 815 [2019-12-07 20:09:19,723 INFO L226 Difference]: Without dead ends: 747 [2019-12-07 20:09:19,724 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:09:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-12-07 20:09:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2019-12-07 20:09:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 20:09:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2019-12-07 20:09:19,742 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 32 [2019-12-07 20:09:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:19,743 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2019-12-07 20:09:19,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:09:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2019-12-07 20:09:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:09:19,744 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:19,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:19,944 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:09:19,945 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:19,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2019-12-07 20:09:19,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:19,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386882248] [2019-12-07 20:09:19,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:20,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:09:20,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:20,040 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 20:09:20,041 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:20,043 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 20:09:20,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386882248] [2019-12-07 20:09:20,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:20,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:09:20,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075754672] [2019-12-07 20:09:20,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:09:20,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:20,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:09:20,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:09:20,044 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand 4 states. [2019-12-07 20:09:20,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:20,088 INFO L93 Difference]: Finished difference Result 458 states and 638 transitions. [2019-12-07 20:09:20,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:09:20,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 20:09:20,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:20,090 INFO L225 Difference]: With dead ends: 458 [2019-12-07 20:09:20,090 INFO L226 Difference]: Without dead ends: 329 [2019-12-07 20:09:20,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:09:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-12-07 20:09:20,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 180. [2019-12-07 20:09:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-12-07 20:09:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 245 transitions. [2019-12-07 20:09:20,104 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 245 transitions. Word has length 33 [2019-12-07 20:09:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:20,104 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 245 transitions. [2019-12-07 20:09:20,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:09:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 245 transitions. [2019-12-07 20:09:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:09:20,105 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:20,105 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:20,306 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:09:20,307 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:20,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2019-12-07 20:09:20,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:20,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958674798] [2019-12-07 20:09:20,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:20,461 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:20,462 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:20,474 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 20:09:20,474 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:20,490 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 20:09:20,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958674798] [2019-12-07 20:09:20,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:20,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:09:20,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311247636] [2019-12-07 20:09:20,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:09:20,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:20,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:09:20,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:09:20,491 INFO L87 Difference]: Start difference. First operand 180 states and 245 transitions. Second operand 8 states. [2019-12-07 20:09:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:20,728 INFO L93 Difference]: Finished difference Result 503 states and 696 transitions. [2019-12-07 20:09:20,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:09:20,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 20:09:20,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:20,730 INFO L225 Difference]: With dead ends: 503 [2019-12-07 20:09:20,730 INFO L226 Difference]: Without dead ends: 329 [2019-12-07 20:09:20,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:09:20,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-12-07 20:09:20,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 151. [2019-12-07 20:09:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-12-07 20:09:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 197 transitions. [2019-12-07 20:09:20,741 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 197 transitions. Word has length 33 [2019-12-07 20:09:20,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:20,741 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 197 transitions. [2019-12-07 20:09:20,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:09:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 197 transitions. [2019-12-07 20:09:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:09:20,742 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:20,742 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:20,943 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:09:20,944 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:20,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:20,944 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2019-12-07 20:09:20,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:20,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997901936] [2019-12-07 20:09:20,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:21,104 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:21,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:21,124 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 20:09:21,125 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:21,151 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 20:09:21,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997901936] [2019-12-07 20:09:21,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:21,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:09:21,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890694905] [2019-12-07 20:09:21,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:09:21,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:21,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:09:21,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:09:21,152 INFO L87 Difference]: Start difference. First operand 151 states and 197 transitions. Second operand 8 states. [2019-12-07 20:09:21,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:21,202 INFO L93 Difference]: Finished difference Result 403 states and 533 transitions. [2019-12-07 20:09:21,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:09:21,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 20:09:21,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:21,204 INFO L225 Difference]: With dead ends: 403 [2019-12-07 20:09:21,204 INFO L226 Difference]: Without dead ends: 258 [2019-12-07 20:09:21,204 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:09:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-12-07 20:09:21,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 151. [2019-12-07 20:09:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-12-07 20:09:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 194 transitions. [2019-12-07 20:09:21,215 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 194 transitions. Word has length 33 [2019-12-07 20:09:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:21,215 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 194 transitions. [2019-12-07 20:09:21,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:09:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 194 transitions. [2019-12-07 20:09:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 20:09:21,216 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:21,216 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:21,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:09:21,417 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:21,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:21,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1351129254, now seen corresponding path program 1 times [2019-12-07 20:09:21,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:21,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188830211] [2019-12-07 20:09:21,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:21,517 INFO L264 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:09:21,518 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:09:21,531 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:09:21,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188830211] [2019-12-07 20:09:21,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:21,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 20:09:21,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473861954] [2019-12-07 20:09:21,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:09:21,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:09:21,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:09:21,552 INFO L87 Difference]: Start difference. First operand 151 states and 194 transitions. Second operand 6 states. [2019-12-07 20:09:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:21,785 INFO L93 Difference]: Finished difference Result 507 states and 676 transitions. [2019-12-07 20:09:21,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:09:21,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-12-07 20:09:21,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:21,787 INFO L225 Difference]: With dead ends: 507 [2019-12-07 20:09:21,787 INFO L226 Difference]: Without dead ends: 409 [2019-12-07 20:09:21,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 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 20:09:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-12-07 20:09:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 343. [2019-12-07 20:09:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-12-07 20:09:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 447 transitions. [2019-12-07 20:09:21,809 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 447 transitions. Word has length 51 [2019-12-07 20:09:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:21,809 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 447 transitions. [2019-12-07 20:09:21,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:09:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 447 transitions. [2019-12-07 20:09:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 20:09:21,810 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:21,810 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:22,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:09:22,012 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:22,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2019-12-07 20:09:22,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:22,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118396202] [2019-12-07 20:09:22,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/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 20:09:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:22,149 INFO L264 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:22,151 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:09:22,166 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:09:22,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118396202] [2019-12-07 20:09:22,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:22,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:09:22,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651022231] [2019-12-07 20:09:22,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:09:22,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:22,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:09:22,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:09:22,172 INFO L87 Difference]: Start difference. First operand 343 states and 447 transitions. Second operand 5 states. [2019-12-07 20:09:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:22,326 INFO L93 Difference]: Finished difference Result 1746 states and 2245 transitions. [2019-12-07 20:09:22,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:09:22,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 20:09:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:22,332 INFO L225 Difference]: With dead ends: 1746 [2019-12-07 20:09:22,332 INFO L226 Difference]: Without dead ends: 1409 [2019-12-07 20:09:22,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 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 20:09:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2019-12-07 20:09:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 678. [2019-12-07 20:09:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2019-12-07 20:09:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 859 transitions. [2019-12-07 20:09:22,382 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 859 transitions. Word has length 51 [2019-12-07 20:09:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:22,382 INFO L462 AbstractCegarLoop]: Abstraction has 678 states and 859 transitions. [2019-12-07 20:09:22,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:09:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 859 transitions. [2019-12-07 20:09:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 20:09:22,383 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:22,383 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] [2019-12-07 20:09:22,586 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 20:09:22,587 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:22,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2019-12-07 20:09:22,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:22,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443354726] [2019-12-07 20:09:22,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 20:09:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:22,692 INFO L264 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:22,693 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,709 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443354726] [2019-12-07 20:09:22,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [193373030] [2019-12-07 20:09:22,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:09:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:22,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:09:22,845 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,849 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314766597] [2019-12-07 20:09:22,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:09:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:22,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:09:22,955 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,959 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:09:22,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:09:22,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 20:09:22,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196753802] [2019-12-07 20:09:22,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:09:22,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:22,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:09:22,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:09:22,966 INFO L87 Difference]: Start difference. First operand 678 states and 859 transitions. Second operand 8 states. [2019-12-07 20:09:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:23,186 INFO L93 Difference]: Finished difference Result 1642 states and 2067 transitions. [2019-12-07 20:09:23,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:09:23,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-12-07 20:09:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:23,190 INFO L225 Difference]: With dead ends: 1642 [2019-12-07 20:09:23,190 INFO L226 Difference]: Without dead ends: 970 [2019-12-07 20:09:23,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:09:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2019-12-07 20:09:23,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 596. [2019-12-07 20:09:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-12-07 20:09:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 733 transitions. [2019-12-07 20:09:23,234 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 733 transitions. Word has length 52 [2019-12-07 20:09:23,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:23,234 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 733 transitions. [2019-12-07 20:09:23,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:09:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 733 transitions. [2019-12-07 20:09:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 20:09:23,235 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:23,235 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:23,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:09:23,837 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:23,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:23,838 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2019-12-07 20:09:23,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:23,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171848019] [2019-12-07 20:09:23,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 20:09:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:23,946 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:09:23,947 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:09:23,964 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:09:23,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171848019] [2019-12-07 20:09:23,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:23,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:09:23,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931713512] [2019-12-07 20:09:23,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:09:23,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:23,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:09:23,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:09:23,972 INFO L87 Difference]: Start difference. First operand 596 states and 733 transitions. Second operand 6 states. [2019-12-07 20:09:24,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:24,366 INFO L93 Difference]: Finished difference Result 2267 states and 2779 transitions. [2019-12-07 20:09:24,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 20:09:24,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-07 20:09:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:24,372 INFO L225 Difference]: With dead ends: 2267 [2019-12-07 20:09:24,372 INFO L226 Difference]: Without dead ends: 1763 [2019-12-07 20:09:24,373 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:09:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2019-12-07 20:09:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 764. [2019-12-07 20:09:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2019-12-07 20:09:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 932 transitions. [2019-12-07 20:09:24,433 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 932 transitions. Word has length 53 [2019-12-07 20:09:24,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:24,433 INFO L462 AbstractCegarLoop]: Abstraction has 764 states and 932 transitions. [2019-12-07 20:09:24,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:09:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 932 transitions. [2019-12-07 20:09:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 20:09:24,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:09:24,433 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:09:24,634 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 20:09:24,635 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:09:24,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:09:24,636 INFO L82 PathProgramCache]: Analyzing trace with hash 251064926, now seen corresponding path program 1 times [2019-12-07 20:09:24,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:09:24,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175149844] [2019-12-07 20:09:24,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-12-07 20:09:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:09:24,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:09:24,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:09:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:09:24,789 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:09:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:09:24,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175149844] [2019-12-07 20:09:24,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:09:24,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-12-07 20:09:24,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067272691] [2019-12-07 20:09:24,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:09:24,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:09:24,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:09:24,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:09:24,792 INFO L87 Difference]: Start difference. First operand 764 states and 932 transitions. Second operand 6 states. [2019-12-07 20:09:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:09:24,981 INFO L93 Difference]: Finished difference Result 1928 states and 2365 transitions. [2019-12-07 20:09:24,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 20:09:24,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-07 20:09:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:09:24,983 INFO L225 Difference]: With dead ends: 1928 [2019-12-07 20:09:24,983 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:09:24,984 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:09:24,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:09:24,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:09:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:09:24,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:09:24,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-12-07 20:09:24,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:09:24,985 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:09:24,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:09:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:09:24,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:09:25,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-12-07 20:09:25,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:09:25,715 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 216 [2019-12-07 20:09:26,740 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 453 DAG size of output: 380 [2019-12-07 20:09:27,217 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 233 [2019-12-07 20:09:27,429 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 175 [2019-12-07 20:09:27,559 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 152 [2019-12-07 20:09:28,690 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 441 DAG size of output: 368 [2019-12-07 20:09:29,962 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 466 DAG size of output: 376 [2019-12-07 20:09:30,217 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 201 [2019-12-07 20:09:31,902 WARN L192 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 211 DAG size of output: 48 [2019-12-07 20:09:37,828 WARN L192 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 368 DAG size of output: 43 [2019-12-07 20:09:38,535 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2019-12-07 20:09:41,255 WARN L192 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 221 DAG size of output: 42 [2019-12-07 20:09:41,429 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2019-12-07 20:09:43,648 WARN L192 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2019-12-07 20:09:44,293 WARN L192 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2019-12-07 20:09:45,279 WARN L192 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 42 [2019-12-07 20:09:51,336 WARN L192 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 357 DAG size of output: 31 [2019-12-07 20:09:59,252 WARN L192 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 362 DAG size of output: 31 [2019-12-07 20:10:00,039 WARN L192 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 32 [2019-12-07 20:10:01,447 WARN L192 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 51 [2019-12-07 20:10:01,450 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse1 .cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse9 .cse5) (and .cse7 .cse2 .cse3 .cse9 .cse5))) [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L532-1(lines 532 538) the Hoare annotation is: false [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L532-2(lines 532 538) the Hoare annotation is: false [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) 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 20:10:01,451 INFO L242 CegarLoopResult]: At program point L929(lines 924 932) 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 20:10:01,451 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 20:10:01,451 INFO L246 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-12-07 20:10:01,451 INFO L246 CegarLoopResult]: For program point L768-3(lines 768 772) no Hoare annotation was computed. [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L636(lines 631 639) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv0 32))) (.cse10 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse8 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse9 .cse4 .cse10))) [2019-12-07 20:10:01,451 INFO L242 CegarLoopResult]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2019-12-07 20:10:01,452 INFO L246 CegarLoopResult]: For program point L768-6(lines 768 772) no Hoare annotation was computed. [2019-12-07 20:10:01,452 INFO L242 CegarLoopResult]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2019-12-07 20:10:01,452 INFO L246 CegarLoopResult]: For program point L736(lines 736 747) no Hoare annotation was computed. [2019-12-07 20:10:01,452 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,452 INFO L242 CegarLoopResult]: At program point L837(lines 832 840) the Hoare annotation is: (let ((.cse9 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse2 .cse9 .cse4 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse6 .cse7) (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))))) [2019-12-07 20:10:01,452 INFO L242 CegarLoopResult]: At program point L837-1(lines 832 840) the Hoare annotation is: false [2019-12-07 20:10:01,452 INFO L242 CegarLoopResult]: At program point L837-2(lines 832 840) the Hoare annotation is: false [2019-12-07 20:10:01,452 INFO L242 CegarLoopResult]: At program point L805(lines 800 808) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse4 .cse5) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5))) [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L805-1(lines 800 808) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse3 .cse2 .cse4 .cse9 .cse6) (and .cse10 .cse8 .cse2 .cse11 .cse9 .cse6) (and .cse10 .cse0 .cse1 .cse2 .cse11 .cse5 .cse6 .cse7))) [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L805-2(lines 800 808) the Hoare annotation is: false [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L805-3(lines 800 808) the Hoare annotation is: false [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L805-4(lines 800 808) the Hoare annotation is: false [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L805-5(lines 800 808) the Hoare annotation is: false [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L874-2(lines 874 894) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L742(lines 742 746) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L874-4(lines 874 894) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L742-2(lines 525 531) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,453 INFO L246 CegarLoopResult]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L845-2(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L845-3(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L845-4(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L845-5(lines 845 851) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L242 CegarLoopResult]: At program point L880-1(lines 1 932) the Hoare annotation is: (let ((.cse12 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv4294967295 32)))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse2 .cse11 .cse12 .cse7 .cse13) (and .cse10 .cse1 .cse2 .cse4 .cse5 .cse12 .cse7) (and .cse9 .cse0 .cse2 .cse3 .cse11 .cse6 .cse7 .cse13 .cse8) (and .cse10 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse11 .cse7))) [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 893) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L242 CegarLoopResult]: At program point L880-3(lines 1 932) the Hoare annotation is: false [2019-12-07 20:10:01,454 INFO L246 CegarLoopResult]: For program point L880-4(lines 880 893) no Hoare annotation was computed. [2019-12-07 20:10:01,454 INFO L242 CegarLoopResult]: At program point L880-5(lines 1 932) the Hoare annotation is: false [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L583-1(lines 583 600) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L583-2(lines 583 600) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L716-1(lines 716 722) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse10 .cse7) (and .cse11 .cse9 .cse2 .cse10 .cse7 .cse12) (and .cse11 .cse0 .cse2 .cse3 .cse10 .cse6 .cse7 .cse12 .cse8) (and .cse9 .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse9 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse10 .cse7))) [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L56-1(lines 525 531) no Hoare annotation was computed. [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L850(lines 841 854) the Hoare annotation is: false [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L850-1(lines 841 854) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse4) (and .cse6 .cse0 .cse2 .cse1 .cse4))) [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L850-2(lines 841 854) the Hoare annotation is: false [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L850-3(lines 841 854) the Hoare annotation is: false [2019-12-07 20:10:01,455 INFO L242 CegarLoopResult]: At program point L850-4(lines 841 854) the Hoare annotation is: false [2019-12-07 20:10:01,455 INFO L246 CegarLoopResult]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L242 CegarLoopResult]: At program point L850-5(lines 841 854) the Hoare annotation is: false [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-3(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-5(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-6(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-8(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-9(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-11(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-12(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-14(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-15(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L685-17(lines 685 689) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L246 CegarLoopResult]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2019-12-07 20:10:01,456 INFO L242 CegarLoopResult]: At program point L752(lines 705 753) the Hoare annotation is: false [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L587-1(lines 587 595) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557-1(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557-2(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557-3(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557-4(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L557-5(lines 557 574) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L242 CegarLoopResult]: At program point L921(lines 1 932) 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 20:10:01,457 INFO L242 CegarLoopResult]: At program point L525(lines 524 543) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse5) (and .cse8 .cse2 .cse7 .cse5))) [2019-12-07 20:10:01,457 INFO L246 CegarLoopResult]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2019-12-07 20:10:01,457 INFO L242 CegarLoopResult]: At program point L525-2(lines 524 543) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L525-3(lines 524 543) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691(lines 676 694) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691-1(lines 676 694) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse9 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse4 .cse3 .cse8 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse8 .cse5 .cse6 .cse7) (and .cse1 .cse4 .cse3 .cse2 .cse5 .cse9 .cse6 .cse7) (and .cse1 .cse4 .cse10 .cse8 .cse11 .cse9 .cse6) (and .cse1 .cse2 .cse4 .cse10 .cse11 .cse9 .cse6))) [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691-2(lines 676 694) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691-3(lines 676 694) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691-4(lines 676 694) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L242 CegarLoopResult]: At program point L691-5(lines 676 694) the Hoare annotation is: false [2019-12-07 20:10:01,458 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 20:10:01,458 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 20:10:01,458 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:10:01,458 INFO L246 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-12-07 20:10:01,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,458 INFO L246 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L242 CegarLoopResult]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse5) (and .cse8 .cse2 .cse7 .cse5))) [2019-12-07 20:10:01,459 INFO L242 CegarLoopResult]: At program point L627(lines 620 630) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5))) [2019-12-07 20:10:01,459 INFO L242 CegarLoopResult]: At program point L627-1(lines 620 630) the Hoare annotation is: false [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L242 CegarLoopResult]: At program point L627-2(lines 620 630) the Hoare annotation is: false [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561-1(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561-3(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561-4(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L561-5(lines 561 569) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,459 INFO L246 CegarLoopResult]: For program point L860-2(line 860) no Hoare annotation was computed. [2019-12-07 20:10:01,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:10:01 BoogieIcfgContainer [2019-12-07 20:10:01,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:10:01,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:10:01,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:10:01,496 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:10:01,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:09:17" (3/4) ... [2019-12-07 20:10:01,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:10:01,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:10:01,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:10:01,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:10:01,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:10:01,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:10:01,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:10:01,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:10:01,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 20:10:01,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 20:10:01,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 0bv32) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 20:10:01,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((((tmp == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 0bv32) [2019-12-07 20:10:01,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 20:10:01,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp___0) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 20:10:01,608 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_47cd340c-837e-4175-93d8-5673889d9275/bin/utaipan/witness.graphml [2019-12-07 20:10:01,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:10:01,609 INFO L168 Benchmark]: Toolchain (without parser) took 45582.97 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 638.1 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -290.6 MB). Peak memory consumption was 347.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:01,610 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 20:10:01,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:01,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:01,611 INFO L168 Benchmark]: Boogie Preprocessor took 33.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:10:01,611 INFO L168 Benchmark]: RCFGBuilder took 551.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:01,611 INFO L168 Benchmark]: TraceAbstraction took 44461.39 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 518.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -238.6 MB). Peak memory consumption was 788.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:01,612 INFO L168 Benchmark]: Witness Printer took 112.29 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-12-07 20:10:01,613 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 376.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 551.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44461.39 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 518.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -238.6 MB). Peak memory consumption was 788.9 MB. Max. memory is 11.5 GB. * Witness Printer took 112.29 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: 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: 832]: 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: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 0bv32) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp___0) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((((tmp == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 0bv32) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || (((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: (((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.2s, HoareTripleCheckerStatistics: 1526 SDtfs, 2879 SDslu, 3524 SDs, 0 SdLazy, 563 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1247 GetRequests, 1159 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 3218 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 474 NumberOfFragments, 1561 HoareAnnotationTreeSize, 45 FomulaSimplifications, 17915479 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4548749 FormulaSimplificationTreeSizeReductionInter, 31.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 123736 SizeOfPredicates, 44 NumberOfNonLiveVariables, 3322 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 190/202 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...