./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ...................................................................................................................................... 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_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:25:57,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:25:57,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:25:57,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:25:57,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:25:57,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:25:57,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:25:57,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:25:57,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:25:57,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:25:57,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:25:57,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:25:57,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:25:57,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:25:57,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:25:57,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:25:57,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:25:57,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:25:57,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:25:57,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:25:57,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:25:57,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:25:57,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:25:57,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:25:57,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:25:57,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:25:57,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:25:57,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:25:57,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:25:57,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:25:57,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:25:57,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:25:57,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:25:57,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:25:57,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:25:57,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:25:57,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:25:57,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:25:57,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:25:57,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:25:57,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:25:57,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:25:57,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:25:57,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:25:57,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:25:57,219 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:25:57,220 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:25:57,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:25:57,221 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:25:57,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:25:57,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:25:57,221 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:25:57,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:25:57,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:25:57,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:25:57,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:25:57,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:25:57,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:25:57,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:25:57,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:25:57,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:25:57,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:25:57,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:25:57,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:25:57,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:25:57,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:25:57,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:25:57,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:25:57,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:25:57,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:25:57,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:25:57,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:25:57,226 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_9964aafb-ff13-47eb-b671-560cf9b47390/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-12-07 16:25:57,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:25:57,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:25:57,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:25:57,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:25:57,357 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:25:57,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-12-07 16:25:57,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/8da1d7a2e/c98701422e4c46b98580d66bbe0b311e/FLAG1c943aef9 [2019-12-07 16:25:57,884 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:25:57,884 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-12-07 16:25:57,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/8da1d7a2e/c98701422e4c46b98580d66bbe0b311e/FLAG1c943aef9 [2019-12-07 16:25:58,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/8da1d7a2e/c98701422e4c46b98580d66bbe0b311e [2019-12-07 16:25:58,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:25:58,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:25:58,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:25:58,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:25:58,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:25:58,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:25:58" (1/1) ... [2019-12-07 16:25:58,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c18d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:25:58, skipping insertion in model container [2019-12-07 16:25:58,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:25:58" (1/1) ... [2019-12-07 16:25:58,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:25:58,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:25:58,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:25:58,637 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 16:25:58,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1643c956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:25:58, skipping insertion in model container [2019-12-07 16:25:58,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:25:58,638 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:25:58,640 INFO L168 Benchmark]: Toolchain (without parser) took 258.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:58,640 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:25:58,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:58,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 201]: 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 16:25:59,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:25:59,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:25:59,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:25:59,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:25:59,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:25:59,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:25:59,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:25:59,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:25:59,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:25:59,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:25:59,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:25:59,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:25:59,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:25:59,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:25:59,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:25:59,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:25:59,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:25:59,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:25:59,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:25:59,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:25:59,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:25:59,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:25:59,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:25:59,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:25:59,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:25:59,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:25:59,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:25:59,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:25:59,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:25:59,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:25:59,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:25:59,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:25:59,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:25:59,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:25:59,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:25:59,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:25:59,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:25:59,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:25:59,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:25:59,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:25:59,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:25:59,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:25:59,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:25:59,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:25:59,813 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:25:59,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:25:59,814 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:25:59,814 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:25:59,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:25:59,814 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:25:59,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:25:59,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:25:59,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:25:59,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:25:59,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:25:59,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:25:59,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:25:59,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:25:59,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:25:59,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:25:59,819 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_9964aafb-ff13-47eb-b671-560cf9b47390/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-12-07 16:25:59,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:25:59,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:25:59,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:25:59,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:25:59,995 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:25:59,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-12-07 16:26:00,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/4abf89646/c173718b9a5b40aa849fa9d722aa264f/FLAG8fc1c2bea [2019-12-07 16:26:00,503 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:26:00,504 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-12-07 16:26:00,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/4abf89646/c173718b9a5b40aa849fa9d722aa264f/FLAG8fc1c2bea [2019-12-07 16:26:01,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/data/4abf89646/c173718b9a5b40aa849fa9d722aa264f [2019-12-07 16:26:01,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:26:01,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:26:01,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:26:01,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:26:01,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:26:01,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,024 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 04:26:01, skipping insertion in model container [2019-12-07 16:26:01,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:26:01,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:26:01,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:26:01,267 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:26:01,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:26:01,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:26:01,316 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:26:01,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:26:01,381 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:26:01,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01 WrapperNode [2019-12-07 16:26:01,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:26:01,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:26:01,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:26:01,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:26:01,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:26:01,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:26:01,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:26:01,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:26:01,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... [2019-12-07 16:26:01,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:26:01,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:26:01,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:26:01,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:26:01,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:26:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:26:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:26:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:26:01,962 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:26:01,962 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 16:26:01,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:26:01 BoogieIcfgContainer [2019-12-07 16:26:01,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:26:01,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:26:01,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:26:01,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:26:01,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:26:01" (1/3) ... [2019-12-07 16:26:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7d11ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:26:01, skipping insertion in model container [2019-12-07 16:26:01,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:26:01" (2/3) ... [2019-12-07 16:26:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7d11ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:26:01, skipping insertion in model container [2019-12-07 16:26:01,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:26:01" (3/3) ... [2019-12-07 16:26:01,968 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-12-07 16:26:01,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:26:01,980 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:26:01,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:26:02,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:26:02,004 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:26:02,004 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:26:02,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:26:02,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:26:02,004 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:26:02,005 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:26:02,005 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:26:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 16:26:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:26:02,019 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:26:02,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:26:02,020 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:26:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:26:02,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2019-12-07 16:26:02,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:26:02,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091416263] [2019-12-07 16:26:02,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:26:02,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:26:02,182 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:26:02,192 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 16:26:02,192 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:26:02,196 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 16:26:02,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091416263] [2019-12-07 16:26:02,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:26:02,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:26:02,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599994224] [2019-12-07 16:26:02,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:26:02,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:26:02,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:26:02,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:26:02,211 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 16:26:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:26:02,229 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 16:26:02,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:26:02,231 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:26:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:26:02,241 INFO L225 Difference]: With dead ends: 148 [2019-12-07 16:26:02,241 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 16:26:02,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:26:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 16:26:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:26:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:26:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 16:26:02,275 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 16:26:02,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:26:02,275 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 16:26:02,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:26:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 16:26:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:26:02,276 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:26:02,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:26:02,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:26:02,478 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:26:02,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:26:02,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2019-12-07 16:26:02,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:26:02,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656985725] [2019-12-07 16:26:02,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:26:02,654 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:26:02,655 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:26:02,668 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 16:26:02,668 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:26:02,675 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 16:26:02,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656985725] [2019-12-07 16:26:02,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:26:02,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:26:02,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116754282] [2019-12-07 16:26:02,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:26:02,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:26:02,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:26:02,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:26:02,678 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 16:26:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:26:02,687 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 16:26:02,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:26:02,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:26:02,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:26:02,689 INFO L225 Difference]: With dead ends: 73 [2019-12-07 16:26:02,689 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 16:26:02,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:26:02,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 16:26:02,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 16:26:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 16:26:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 16:26:02,693 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 16:26:02,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:26:02,694 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 16:26:02,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:26:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 16:26:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:26:02,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:26:02,695 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:26:02,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:26:02,896 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:26:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:26:02,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2019-12-07 16:26:02,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:26:02,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246068363] [2019-12-07 16:26:02,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:26:03,118 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:26:03,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:26:03,128 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 16:26:03,129 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:26:03,136 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 16:26:03,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246068363] [2019-12-07 16:26:03,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:26:03,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:26:03,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583132432] [2019-12-07 16:26:03,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:26:03,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:26:03,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:26:03,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:26:03,138 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 16:26:03,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:26:03,154 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-12-07 16:26:03,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:26:03,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:26:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:26:03,156 INFO L225 Difference]: With dead ends: 116 [2019-12-07 16:26:03,156 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 16:26:03,156 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:26:03,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 16:26:03,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-12-07 16:26:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 16:26:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 16:26:03,164 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 16:26:03,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:26:03,165 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 16:26:03,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:26:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 16:26:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 16:26:03,166 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:26:03,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:26:03,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:26:03,367 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:26:03,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:26:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2019-12-07 16:26:03,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:26:03,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469175789] [2019-12-07 16:26:03,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:26:03,551 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:26:03,552 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:26:03,566 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 16:26:03,567 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:26:03,574 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 16:26:03,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469175789] [2019-12-07 16:26:03,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:26:03,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:26:03,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100551934] [2019-12-07 16:26:03,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:26:03,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:26:03,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:26:03,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:26:03,576 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-12-07 16:26:03,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:26:03,650 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2019-12-07 16:26:03,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:26:03,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 16:26:03,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:26:03,653 INFO L225 Difference]: With dead ends: 256 [2019-12-07 16:26:03,654 INFO L226 Difference]: Without dead ends: 208 [2019-12-07 16:26:03,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 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 16:26:03,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-12-07 16:26:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2019-12-07 16:26:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 16:26:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2019-12-07 16:26:03,671 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2019-12-07 16:26:03,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:26:03,672 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2019-12-07 16:26:03,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:26:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2019-12-07 16:26:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:26:03,673 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:26:03,673 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 16:26:03,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:26:03,875 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:26:03,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:26:03,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2019-12-07 16:26:03,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:26:03,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072926506] [2019-12-07 16:26:03,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/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 16:26:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:26:04,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:26:04,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:26:04,091 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 16:26:04,091 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:26:04,093 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 16:26:04,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072926506] [2019-12-07 16:26:04,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:26:04,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:26:04,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398977081] [2019-12-07 16:26:04,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:26:04,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:26:04,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:26:04,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:26:04,094 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand 5 states. [2019-12-07 16:26:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:26:04,187 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2019-12-07 16:26:04,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:26:04,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:26:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:26:04,188 INFO L225 Difference]: With dead ends: 286 [2019-12-07 16:26:04,188 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:26:04,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 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 16:26:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:26:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:26:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:26:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:26:04,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 16:26:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:26:04,191 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:26:04,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:26:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:26:04,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:26:04,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:26:04,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:26:04,652 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,652 INFO L242 CegarLoopResult]: At program point L564(lines 1 911) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:26:04,652 INFO L242 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: false [2019-12-07 16:26:04,653 INFO L242 CegarLoopResult]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L242 CegarLoopResult]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L73-2(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,653 INFO L246 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L242 CegarLoopResult]: At program point L866-1(lines 866 872) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L246 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-12-07 16:26:04,654 INFO L242 CegarLoopResult]: At program point L834-1(lines 834 840) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,655 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:26:04,655 INFO L242 CegarLoopResult]: At program point L686(lines 685 704) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,655 INFO L246 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 16:26:04,655 INFO L242 CegarLoopResult]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-12-07 16:26:04,655 INFO L242 CegarLoopResult]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-12-07 16:26:04,655 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,655 INFO L249 CegarLoopResult]: At program point L671(lines 652 674) the Hoare annotation is: true [2019-12-07 16:26:04,655 INFO L242 CegarLoopResult]: At program point L638(lines 634 640) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:26:04,655 INFO L242 CegarLoopResult]: At program point L572(lines 567 575) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L886(lines 886 899) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820-3(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820-5(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820-6(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,656 INFO L246 CegarLoopResult]: For program point L820-8(lines 820 824) no Hoare annotation was computed. [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L589-2(lines 589 603) the Hoare annotation is: false [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L771(lines 766 774) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L127(lines 122 130) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2019-12-07 16:26:04,657 INFO L242 CegarLoopResult]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2019-12-07 16:26:04,658 INFO L242 CegarLoopResult]: At program point L904(lines 855 905) the Hoare annotation is: false [2019-12-07 16:26:04,658 INFO L246 CegarLoopResult]: For program point L857(lines 856 903) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point L593-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 16:26:04,659 INFO L242 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-12-07 16:26:04,660 INFO L246 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L892-1(lines 686 692) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L826(lines 811 829) the Hoare annotation is: false [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L826-1(lines 811 829) the Hoare annotation is: false [2019-12-07 16:26:04,660 INFO L242 CegarLoopResult]: At program point L826-2(lines 811 829) the Hoare annotation is: false [2019-12-07 16:26:04,661 INFO L246 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2019-12-07 16:26:04,661 INFO L242 CegarLoopResult]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,661 INFO L246 CegarLoopResult]: For program point L662(lines 662 669) no Hoare annotation was computed. [2019-12-07 16:26:04,661 INFO L249 CegarLoopResult]: At program point L662-1(lines 662 669) the Hoare annotation is: true [2019-12-07 16:26:04,661 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:26:04,661 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 911) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:26:04,661 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:26:04,662 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 911) the Hoare annotation is: false [2019-12-07 16:26:04,662 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:26:04,662 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 911) the Hoare annotation is: false [2019-12-07 16:26:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:26:04 BoogieIcfgContainer [2019-12-07 16:26:04,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:26:04,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:26:04,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:26:04,677 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:26:04,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:26:01" (3/4) ... [2019-12-07 16:26:04,681 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:26:04,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:26:04,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:26:04,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:26:04,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:26:04,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:26:04,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:26:04,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:26:04,723 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 16:26:04,752 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9964aafb-ff13-47eb-b671-560cf9b47390/bin/utaipan/witness.graphml [2019-12-07 16:26:04,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:26:04,754 INFO L168 Benchmark]: Toolchain (without parser) took 3734.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 951.0 MB in the beginning and 772.5 MB in the end (delta: 178.5 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,754 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:26:04,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.35 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,755 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 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 16:26:04,755 INFO L168 Benchmark]: RCFGBuilder took 510.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,755 INFO L168 Benchmark]: TraceAbstraction took 2712.89 ms. Allocated memory is still 1.1 GB. Free memory was 998.0 MB in the beginning and 778.0 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,755 INFO L168 Benchmark]: Witness Printer took 75.47 ms. Allocated memory is still 1.1 GB. Free memory was 778.0 MB in the beginning and 772.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:26:04,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.35 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.04 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 510.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2712.89 ms. Allocated memory is still 1.1 GB. Free memory was 998.0 MB in the beginning and 778.0 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.47 ms. Allocated memory is still 1.1 GB. Free memory was 778.0 MB in the beginning and 772.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: 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: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 333 SDtfs, 427 SDslu, 396 SDs, 0 SdLazy, 50 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...