./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.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_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ...................................................................................................................................... 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_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:09:08,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:09:08,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:09:08,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:09:08,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:09:08,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:09:08,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:09:08,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:09:08,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:09:08,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:09:08,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:09:08,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:09:08,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:09:08,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:09:08,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:09:08,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:09:08,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:09:08,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:09:08,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:09:08,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:09:08,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:09:08,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:09:08,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:09:08,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:09:08,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:09:08,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:09:08,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:09:08,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:09:08,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:09:08,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:09:08,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:09:08,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:09:08,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:09:08,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:09:08,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:09:08,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:09:08,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:09:08,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:09:08,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:09:08,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:09:08,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:09:08,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:09:08,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:09:08,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:09:08,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:09:08,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:09:08,824 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:09:08,825 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:09:08,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:09:08,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:09:08,825 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:09:08,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:09:08,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:09:08,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:09:08,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:09:08,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:09:08,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:09:08,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:09:08,828 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_c1d39849-bd96-49f7-af24-3005e7fc7303/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2019-12-07 19:09:08,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:09:08,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:09:08,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:09:08,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:09:08,940 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:09:08,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-12-07 19:09:08,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/30e020686/9fec745473914ecbae69b13367f2701c/FLAG996f97f40 [2019-12-07 19:09:09,393 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:09:09,394 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-12-07 19:09:09,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/30e020686/9fec745473914ecbae69b13367f2701c/FLAG996f97f40 [2019-12-07 19:09:09,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/30e020686/9fec745473914ecbae69b13367f2701c [2019-12-07 19:09:09,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:09:09,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:09:09,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:09,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:09:09,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:09:09,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:09" (1/1) ... [2019-12-07 19:09:09,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:09, skipping insertion in model container [2019-12-07 19:09:09,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:09" (1/1) ... [2019-12-07 19:09:09,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:09:09,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:10,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:10,057 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 19:09:10,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6125cc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:10, skipping insertion in model container [2019-12-07 19:09:10,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:10,058 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:09:10,060 INFO L168 Benchmark]: Toolchain (without parser) took 290.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:10,061 INFO L168 Benchmark]: CDTParser took 0.17 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 19:09:10,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:10,062 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 472]: 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 19:09:11,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:09:11,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:09:11,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:09:11,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:09:11,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:09:11,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:09:11,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:09:11,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:09:11,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:09:11,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:09:11,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:09:11,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:09:11,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:09:11,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:09:11,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:09:11,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:09:11,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:09:11,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:09:11,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:09:11,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:09:11,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:09:11,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:09:11,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:09:11,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:09:11,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:09:11,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:09:11,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:09:11,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:09:11,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:09:11,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:09:11,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:09:11,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:09:11,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:09:11,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:09:11,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:09:11,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:09:11,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:09:11,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:09:11,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:09:11,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:09:11,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:09:11,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:09:11,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:09:11,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:09:11,263 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:09:11,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:09:11,263 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:09:11,263 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:09:11,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:09:11,263 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:09:11,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:09:11,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:09:11,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:09:11,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:09:11,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:09:11,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:09:11,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:09:11,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:09:11,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:09:11,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:09:11,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:09:11,268 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_c1d39849-bd96-49f7-af24-3005e7fc7303/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2019-12-07 19:09:11,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:09:11,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:09:11,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:09:11,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:09:11,446 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:09:11,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-12-07 19:09:11,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/103316502/e79f90154d1748abade245effba5838f/FLAG27262307d [2019-12-07 19:09:11,967 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:09:11,967 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-12-07 19:09:11,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/103316502/e79f90154d1748abade245effba5838f/FLAG27262307d [2019-12-07 19:09:11,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/data/103316502/e79f90154d1748abade245effba5838f [2019-12-07 19:09:11,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:09:11,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:09:11,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:11,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:09:11,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:09:11,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:11" (1/1) ... [2019-12-07 19:09:11,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:11, skipping insertion in model container [2019-12-07 19:09:11,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:11" (1/1) ... [2019-12-07 19:09:11,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:09:12,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:12,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:12,256 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:09:12,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:12,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:12,307 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:09:12,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:12,372 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:09:12,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12 WrapperNode [2019-12-07 19:09:12,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:12,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:09:12,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:09:12,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:09:12,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:09:12,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:09:12,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:09:12,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:09:12,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... [2019-12-07 19:09:12,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:09:12,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:09:12,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:09:12,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:09:12,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:09:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:09:13,013 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:09:13,013 INFO L287 CfgBuilder]: Removed 172 assume(true) statements. [2019-12-07 19:09:13,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:13 BoogieIcfgContainer [2019-12-07 19:09:13,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:09:13,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:09:13,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:09:13,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:09:13,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:09:11" (1/3) ... [2019-12-07 19:09:13,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da41c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:09:13, skipping insertion in model container [2019-12-07 19:09:13,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:12" (2/3) ... [2019-12-07 19:09:13,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da41c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:09:13, skipping insertion in model container [2019-12-07 19:09:13,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:13" (3/3) ... [2019-12-07 19:09:13,019 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2019-12-07 19:09:13,027 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:09:13,032 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:09:13,040 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:09:13,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:09:13,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:09:13,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:09:13,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:09:13,057 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:09:13,057 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:09:13,057 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:09:13,057 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:09:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-12-07 19:09:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 19:09:13,074 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:13,075 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 19:09:13,075 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:13,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2019-12-07 19:09:13,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:13,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917899791] [2019-12-07 19:09:13,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:13,235 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:09:13,239 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:13,249 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 19:09:13,249 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:13,253 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 19:09:13,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917899791] [2019-12-07 19:09:13,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:13,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:09:13,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860114869] [2019-12-07 19:09:13,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:09:13,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:13,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:09:13,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:09:13,269 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-12-07 19:09:13,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:13,291 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2019-12-07 19:09:13,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:09:13,292 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 19:09:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:13,300 INFO L225 Difference]: With dead ends: 245 [2019-12-07 19:09:13,300 INFO L226 Difference]: Without dead ends: 122 [2019-12-07 19:09:13,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 19:09:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-12-07 19:09:13,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-12-07 19:09:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 19:09:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2019-12-07 19:09:13,334 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2019-12-07 19:09:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:13,334 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2019-12-07 19:09:13,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:09:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2019-12-07 19:09:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 19:09:13,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:13,335 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] [2019-12-07 19:09:13,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:09:13,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:13,538 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2019-12-07 19:09:13,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:13,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442519142] [2019-12-07 19:09:13,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:13,754 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:13,755 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:13,769 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 19:09:13,769 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:13,778 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 19:09:13,778 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442519142] [2019-12-07 19:09:13,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:13,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:09:13,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205259648] [2019-12-07 19:09:13,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:09:13,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:13,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:09:13,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:13,781 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 4 states. [2019-12-07 19:09:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:13,794 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2019-12-07 19:09:13,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:09:13,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 19:09:13,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:13,796 INFO L225 Difference]: With dead ends: 122 [2019-12-07 19:09:13,796 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 19:09:13,797 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 19:09:13,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 19:09:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 19:09:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 19:09:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-12-07 19:09:13,804 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-12-07 19:09:13,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:13,804 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-12-07 19:09:13,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:09:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-12-07 19:09:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 19:09:13,805 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:13,805 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 19:09:14,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:09:14,006 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:14,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2019-12-07 19:09:14,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:14,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854703592] [2019-12-07 19:09:14,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:14,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:14,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:14,146 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 19:09:14,146 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:14,154 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 19:09:14,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854703592] [2019-12-07 19:09:14,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:14,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:09:14,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142069125] [2019-12-07 19:09:14,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:09:14,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:14,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:09:14,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:14,156 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 4 states. [2019-12-07 19:09:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:14,195 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2019-12-07 19:09:14,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:09:14,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 19:09:14,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:14,197 INFO L225 Difference]: With dead ends: 95 [2019-12-07 19:09:14,197 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 19:09:14,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 19:09:14,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 19:09:14,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 19:09:14,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 19:09:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-12-07 19:09:14,205 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2019-12-07 19:09:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:14,205 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-12-07 19:09:14,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:09:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-12-07 19:09:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 19:09:14,207 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:14,207 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:14,407 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:09:14,408 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:14,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:14,409 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2019-12-07 19:09:14,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:14,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796685588] [2019-12-07 19:09:14,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:14,588 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:14,589 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:14,595 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 19:09:14,595 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:14,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796685588] [2019-12-07 19:09:14,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:14,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:09:14,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958841127] [2019-12-07 19:09:14,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:09:14,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:14,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:09:14,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:09:14,599 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-12-07 19:09:14,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:14,655 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2019-12-07 19:09:14,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:09:14,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 19:09:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:14,656 INFO L225 Difference]: With dead ends: 119 [2019-12-07 19:09:14,656 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 19:09:14,657 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 19:09:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 19:09:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-12-07 19:09:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 19:09:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 19:09:14,664 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2019-12-07 19:09:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:14,664 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 19:09:14,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:09:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 19:09:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:09:14,665 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:14,665 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:14,866 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:09:14,867 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2019-12-07 19:09:14,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:14,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456534827] [2019-12-07 19:09:14,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:15,014 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:09:15,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:15,025 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 19:09:15,026 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:15,041 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 19:09:15,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456534827] [2019-12-07 19:09:15,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:15,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 19:09:15,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621144956] [2019-12-07 19:09:15,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:09:15,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:15,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:09:15,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:09:15,043 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2019-12-07 19:09:15,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:15,091 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2019-12-07 19:09:15,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:09:15,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 19:09:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:15,093 INFO L225 Difference]: With dead ends: 263 [2019-12-07 19:09:15,093 INFO L226 Difference]: Without dead ends: 197 [2019-12-07 19:09:15,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:09:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-12-07 19:09:15,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-12-07 19:09:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 19:09:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2019-12-07 19:09:15,107 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2019-12-07 19:09:15,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:15,107 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2019-12-07 19:09:15,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:09:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2019-12-07 19:09:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:09:15,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:15,109 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:15,309 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:09:15,311 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:15,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:15,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2019-12-07 19:09:15,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:15,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125212678] [2019-12-07 19:09:15,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:15,514 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:15,515 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:15,528 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 19:09:15,528 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:15,531 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 19:09:15,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125212678] [2019-12-07 19:09:15,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:15,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:09:15,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955169756] [2019-12-07 19:09:15,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:09:15,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:15,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:09:15,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:09:15,532 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2019-12-07 19:09:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:15,605 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2019-12-07 19:09:15,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:09:15,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 19:09:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:15,606 INFO L225 Difference]: With dead ends: 202 [2019-12-07 19:09:15,606 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 19:09:15,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:09:15,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 19:09:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2019-12-07 19:09:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 19:09:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2019-12-07 19:09:15,614 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2019-12-07 19:09:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:15,614 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2019-12-07 19:09:15,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:09:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2019-12-07 19:09:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:09:15,615 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:15,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:15,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 19:09:15,817 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:15,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:15,817 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2019-12-07 19:09:15,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:15,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743682976] [2019-12-07 19:09:15,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:15,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:15,976 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:15,991 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 19:09:15,991 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:15,994 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 19:09:15,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743682976] [2019-12-07 19:09:15,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:15,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:09:15,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290581662] [2019-12-07 19:09:15,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:09:15,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:15,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:09:15,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:09:15,995 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2019-12-07 19:09:16,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:16,114 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2019-12-07 19:09:16,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 19:09:16,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 19:09:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:16,116 INFO L225 Difference]: With dead ends: 282 [2019-12-07 19:09:16,116 INFO L226 Difference]: Without dead ends: 206 [2019-12-07 19:09:16,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 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 19:09:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-12-07 19:09:16,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2019-12-07 19:09:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 19:09:16,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2019-12-07 19:09:16,124 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2019-12-07 19:09:16,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:16,124 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2019-12-07 19:09:16,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:09:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-12-07 19:09:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:09:16,125 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:16,125 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:16,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 19:09:16,326 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:16,327 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2019-12-07 19:09:16,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:16,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120830388] [2019-12-07 19:09:16,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:16,479 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:16,480 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:16,486 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 19:09:16,486 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:16,493 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 19:09:16,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120830388] [2019-12-07 19:09:16,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:16,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 19:09:16,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291368038] [2019-12-07 19:09:16,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:09:16,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:16,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:09:16,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:16,495 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 4 states. [2019-12-07 19:09:16,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:16,544 INFO L93 Difference]: Finished difference Result 246 states and 331 transitions. [2019-12-07 19:09:16,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:09:16,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 19:09:16,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:16,546 INFO L225 Difference]: With dead ends: 246 [2019-12-07 19:09:16,546 INFO L226 Difference]: Without dead ends: 171 [2019-12-07 19:09:16,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:16,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-12-07 19:09:16,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2019-12-07 19:09:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-12-07 19:09:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 188 transitions. [2019-12-07 19:09:16,559 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 188 transitions. Word has length 34 [2019-12-07 19:09:16,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:16,560 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 188 transitions. [2019-12-07 19:09:16,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:09:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2019-12-07 19:09:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 19:09:16,561 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:16,561 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:16,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 19:09:16,763 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:16,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:16,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2019-12-07 19:09:16,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:16,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067696337] [2019-12-07 19:09:16,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:16,916 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 19:09:16,917 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:16,938 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:16,942 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 19:09:16,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067696337] [2019-12-07 19:09:16,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:16,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:09:16,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451025905] [2019-12-07 19:09:16,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:09:16,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:16,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:09:16,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:09:16,943 INFO L87 Difference]: Start difference. First operand 141 states and 188 transitions. Second operand 6 states. [2019-12-07 19:09:17,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:17,239 INFO L93 Difference]: Finished difference Result 687 states and 926 transitions. [2019-12-07 19:09:17,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 19:09:17,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 19:09:17,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:17,242 INFO L225 Difference]: With dead ends: 687 [2019-12-07 19:09:17,243 INFO L226 Difference]: Without dead ends: 553 [2019-12-07 19:09:17,243 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 19:09:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-12-07 19:09:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 251. [2019-12-07 19:09:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-12-07 19:09:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2019-12-07 19:09:17,264 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 35 [2019-12-07 19:09:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:17,265 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2019-12-07 19:09:17,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:09:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2019-12-07 19:09:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 19:09:17,266 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:17,266 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:17,466 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 19:09:17,467 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:17,467 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2019-12-07 19:09:17,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:17,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868511987] [2019-12-07 19:09:17,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/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 19:09:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:17,565 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:09:17,567 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 19:09:17,589 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:17,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:09:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 19:09:17,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868511987] [2019-12-07 19:09:17,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1693465602] [2019-12-07 19:09:17,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:09:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:17,700 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:09:17,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:17,738 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:17,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895614551] [2019-12-07 19:09:17,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 19:09:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:17,864 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:17,865 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:17,868 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:17,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 19:09:17,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 15 [2019-12-07 19:09:17,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152344442] [2019-12-07 19:09:17,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 19:09:17,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 19:09:17,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-12-07 19:09:17,874 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand 15 states. [2019-12-07 19:09:20,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:20,093 INFO L93 Difference]: Finished difference Result 1905 states and 2626 transitions. [2019-12-07 19:09:20,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2019-12-07 19:09:20,093 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2019-12-07 19:09:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:20,102 INFO L225 Difference]: With dead ends: 1905 [2019-12-07 19:09:20,102 INFO L226 Difference]: Without dead ends: 1661 [2019-12-07 19:09:20,107 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1549, Invalid=6641, Unknown=0, NotChecked=0, Total=8190 [2019-12-07 19:09:20,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2019-12-07 19:09:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 392. [2019-12-07 19:09:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-12-07 19:09:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2019-12-07 19:09:20,159 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 58 [2019-12-07 19:09:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:20,160 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2019-12-07 19:09:20,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 19:09:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2019-12-07 19:09:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-07 19:09:20,162 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:20,162 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:20,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 19:09:20,764 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:20,765 INFO L82 PathProgramCache]: Analyzing trace with hash -741655465, now seen corresponding path program 1 times [2019-12-07 19:09:20,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:20,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542051369] [2019-12-07 19:09:20,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:20,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:20,891 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 19:09:20,909 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 19:09:20,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542051369] [2019-12-07 19:09:20,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:20,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 19:09:20,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809880810] [2019-12-07 19:09:20,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:09:20,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:20,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:09:20,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:09:20,938 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand 8 states. [2019-12-07 19:09:20,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:20,990 INFO L93 Difference]: Finished difference Result 581 states and 747 transitions. [2019-12-07 19:09:20,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:09:20,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-12-07 19:09:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:20,991 INFO L225 Difference]: With dead ends: 581 [2019-12-07 19:09:20,991 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:09:20,991 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 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 19:09:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:09:20,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:09:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:09:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:09:20,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2019-12-07 19:09:20,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:20,992 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:09:20,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:09:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:09:20,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:09:21,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 19:09:21,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:09:21,356 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2019-12-07 19:09:21,996 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-12-07 19:09:22,162 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-12-07 19:09:22,470 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2019-12-07 19:09:22,776 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2019-12-07 19:09:23,012 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2019-12-07 19:09:23,391 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-12-07 19:09:23,619 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 28 [2019-12-07 19:09:23,934 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2019-12-07 19:09:24,169 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2019-12-07 19:09:25,134 WARN L192 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2019-12-07 19:09:25,716 WARN L192 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L246 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2019-12-07 19:09:25,725 INFO L242 CegarLoopResult]: At program point L303-1(lines 303 309) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse2 .cse3))) [2019-12-07 19:09:25,725 INFO L242 CegarLoopResult]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 .cse3))) [2019-12-07 19:09:25,725 INFO L242 CegarLoopResult]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238(lines 223 241) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 .cse3))) [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L242 CegarLoopResult]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,726 INFO L246 CegarLoopResult]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L837-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse4 .cse5))) [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L837-2(lines 837 854) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L837-3(lines 1 992) the Hoare annotation is: false [2019-12-07 19:09:25,727 INFO L246 CegarLoopResult]: For program point L837-4(lines 837 854) no Hoare annotation was computed. [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L837-5(lines 1 992) the Hoare annotation is: false [2019-12-07 19:09:25,727 INFO L242 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2019-12-07 19:09:25,728 INFO L242 CegarLoopResult]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2019-12-07 19:09:25,728 INFO L242 CegarLoopResult]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L841-2(lines 841 851) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L841-4(lines 841 851) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L242 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L246 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2019-12-07 19:09:25,728 INFO L242 CegarLoopResult]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse4 .cse5) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4 .cse5))) [2019-12-07 19:09:25,728 INFO L242 CegarLoopResult]: At program point L183-1(lines 178 186) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L416(lines 411 419) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3 .cse4))) [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L242 CegarLoopResult]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2019-12-07 19:09:25,729 INFO L246 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L912-1(lines 912 916) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L249 CegarLoopResult]: At program point L980-1(lines 980 987) the Hoare annotation is: true [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L816(lines 811 818) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L321-2(lines 321 325) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse2 .cse3))) [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L884(lines 1 992) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L257(lines 242 260) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2019-12-07 19:09:25,730 INFO L242 CegarLoopResult]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,730 INFO L246 CegarLoopResult]: For program point L424-1(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L424-2(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L424-3(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L424-4(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L424-5(lines 424 430) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L242 CegarLoopResult]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .cse2 .cse3))) [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L249 CegarLoopResult]: At program point L989(lines 970 992) the Hoare annotation is: true [2019-12-07 19:09:25,731 INFO L242 CegarLoopResult]: At program point L956(lines 952 958) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:09:25,731 INFO L242 CegarLoopResult]: At program point L429(lines 420 433) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L429-1(lines 420 433) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3))) [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L429-2(lines 420 433) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L429-3(lines 420 433) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L429-4(lines 420 433) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L429-5(lines 420 433) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L826(lines 72 78) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse4 .cse5))) [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L826-1(lines 72 78) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L826-2(lines 72 78) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L242 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: false [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,732 INFO L246 CegarLoopResult]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2019-12-07 19:09:25,733 INFO L246 CegarLoopResult]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2019-12-07 19:09:25,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:09:25 BoogieIcfgContainer [2019-12-07 19:09:25,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:09:25,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:09:25,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:09:25,754 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:09:25,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:13" (3/4) ... [2019-12-07 19:09:25,757 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:09:25,768 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:09:25,769 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:09:25,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:09:25,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:09:25,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:09:25,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:09:25,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == tmp && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((((1bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 19:09:25,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 19:09:25,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) [2019-12-07 19:09:25,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 19:09:25,833 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c1d39849-bd96-49f7-af24-3005e7fc7303/bin/utaipan/witness.graphml [2019-12-07 19:09:25,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:09:25,834 INFO L168 Benchmark]: Toolchain (without parser) took 13846.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -252.4 MB). Peak memory consumption was 92.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,834 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 19:09:25,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,834 INFO L168 Benchmark]: Boogie Preprocessor took 32.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:09:25,835 INFO L168 Benchmark]: RCFGBuilder took 561.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,835 INFO L168 Benchmark]: TraceAbstraction took 12738.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 371.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,835 INFO L168 Benchmark]: Witness Printer took 78.99 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:25,836 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 384.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 561.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12738.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 371.5 MB. Max. memory is 11.5 GB. * Witness Printer took 78.99 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 1]: Loop Invariant Derived loop invariant: (((((((2bv32 == tmp && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((((1bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, HoareTripleCheckerStatistics: 1296 SDtfs, 3432 SDslu, 3432 SDs, 0 SdLazy, 849 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1225 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2865 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1896 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 136 NumberOfFragments, 874 HoareAnnotationTreeSize, 50 FomulaSimplifications, 336961 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 64133 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 105356 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2756 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 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...