./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 c01215307b2c8189e4e6745962a1a26d113e8096 ...................................................................................................................................... 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_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 c01215307b2c8189e4e6745962a1a26d113e8096 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:21:14,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:21:14,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:21:14,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:21:14,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:21:14,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:21:14,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:21:14,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:21:14,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:21:14,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:21:14,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:21:14,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:21:14,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:21:14,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:21:14,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:21:14,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:21:14,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:21:14,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:21:14,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:21:14,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:21:14,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:21:14,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:21:14,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:21:14,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:21:14,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:21:14,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:21:14,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:21:14,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:21:14,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:21:14,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:21:14,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:21:14,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:21:14,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:21:14,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:21:14,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:21:14,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:21:14,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:21:14,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:21:14,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:21:14,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:21:14,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:21:14,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:21:14,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:21:14,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:21:14,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:21:14,151 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:21:14,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:21:14,151 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:21:14,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:21:14,151 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:21:14,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:21:14,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:21:14,152 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:21:14,152 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:21:14,152 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:21:14,152 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:21:14,153 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:21:14,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:21:14,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:21:14,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:21:14,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:21:14,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:21:14,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:21:14,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:21:14,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:21:14,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:21:14,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:21:14,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:21:14,156 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_e2bf8a23-82a4-4b76-b061-efee648391d9/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-12-07 12:21:14,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:21:14,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:21:14,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:21:14,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:21:14,280 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:21:14,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 12:21:14,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/7c37b01cb/442f3b666cad41b8bad8014f2730de9e/FLAG2a153606d [2019-12-07 12:21:14,790 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:21:14,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 12:21:14,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/7c37b01cb/442f3b666cad41b8bad8014f2730de9e/FLAG2a153606d [2019-12-07 12:21:14,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/7c37b01cb/442f3b666cad41b8bad8014f2730de9e [2019-12-07 12:21:14,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:21:14,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:21:14,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:21:14,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:21:14,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:21:14,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:21:14" (1/1) ... [2019-12-07 12:21:14,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:14, skipping insertion in model container [2019-12-07 12:21:14,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:21:14" (1/1) ... [2019-12-07 12:21:14,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:21:14,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:21:15,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:21:15,101 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 12:21:15,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@af2d766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:15, skipping insertion in model container [2019-12-07 12:21:15,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:21:15,103 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:21:15,105 INFO L168 Benchmark]: Toolchain (without parser) took 292.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:15,105 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:21:15,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:15,108 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 406]: 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 12:21:16,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:21:16,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:21:16,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:21:16,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:21:16,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:21:16,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:21:16,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:21:16,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:21:16,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:21:16,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:21:16,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:21:16,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:21:16,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:21:16,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:21:16,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:21:16,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:21:16,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:21:16,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:21:16,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:21:16,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:21:16,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:21:16,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:21:16,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:21:16,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:21:16,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:21:16,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:21:16,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:21:16,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:21:16,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:21:16,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:21:16,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:21:16,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:21:16,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:21:16,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:21:16,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:21:16,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:21:16,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:21:16,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:21:16,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:21:16,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:21:16,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:21:16,335 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:21:16,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:21:16,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:21:16,336 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:21:16,336 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:21:16,337 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:21:16,337 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:21:16,337 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:21:16,337 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:21:16,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:21:16,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:21:16,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:21:16,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:21:16,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:21:16,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:21:16,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:21:16,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:21:16,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:21:16,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:21:16,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:21:16,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:21:16,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:21:16,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:21:16,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:21:16,341 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_e2bf8a23-82a4-4b76-b061-efee648391d9/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-12-07 12:21:16,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:21:16,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:21:16,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:21:16,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:21:16,525 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:21:16,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 12:21:16,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/0bb505ac3/10c17ef6c6ea4ff6a57624f422ea3bc0/FLAGb6441028e [2019-12-07 12:21:17,044 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:21:17,045 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 12:21:17,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/0bb505ac3/10c17ef6c6ea4ff6a57624f422ea3bc0/FLAGb6441028e [2019-12-07 12:21:17,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/data/0bb505ac3/10c17ef6c6ea4ff6a57624f422ea3bc0 [2019-12-07 12:21:17,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:21:17,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:21:17,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:21:17,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:21:17,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:21:17,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17, skipping insertion in model container [2019-12-07 12:21:17,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:21:17,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:21:17,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:21:17,817 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:21:17,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:21:17,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:21:17,870 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:21:17,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:21:17,938 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:21:17,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17 WrapperNode [2019-12-07 12:21:17,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:21:17,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:21:17,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:21:17,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:21:17,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:21:17,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:21:17,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:21:17,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:21:17,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:17,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:18,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:18,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:18,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... [2019-12-07 12:21:18,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:21:18,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:21:18,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:21:18,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:21:18,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:21:18,599 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:21:18,599 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 12:21:18,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:21:18 BoogieIcfgContainer [2019-12-07 12:21:18,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:21:18,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:21:18,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:21:18,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:21:18,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:21:17" (1/3) ... [2019-12-07 12:21:18,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad3b164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:21:18, skipping insertion in model container [2019-12-07 12:21:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:21:17" (2/3) ... [2019-12-07 12:21:18,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad3b164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:21:18, skipping insertion in model container [2019-12-07 12:21:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:21:18" (3/3) ... [2019-12-07 12:21:18,606 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2019-12-07 12:21:18,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:21:18,618 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:21:18,625 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:21:18,642 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:21:18,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:21:18,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:21:18,642 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:21:18,642 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:21:18,642 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:21:18,642 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:21:18,642 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:21:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 12:21:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:21:18,659 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:21:18,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:21:18,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:21:18,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:21:18,663 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2019-12-07 12:21:18,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:21:18,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802711270] [2019-12-07 12:21:18,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:21:18,812 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:21:18,816 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:21:18,827 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 12:21:18,827 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:21:18,831 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 12:21:18,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802711270] [2019-12-07 12:21:18,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:21:18,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:21:18,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267130143] [2019-12-07 12:21:18,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:21:18,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:21:18,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:21:18,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:21:18,848 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 12:21:18,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:21:18,877 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-12-07 12:21:18,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:21:18,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:21:18,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:21:18,886 INFO L225 Difference]: With dead ends: 215 [2019-12-07 12:21:18,887 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 12:21:18,889 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:21:18,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 12:21:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 12:21:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 12:21:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-12-07 12:21:18,921 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-12-07 12:21:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:21:18,921 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-12-07 12:21:18,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:21:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-12-07 12:21:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:21:18,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:21:18,923 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 12:21:19,123 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:21:19,124 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:21:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:21:19,124 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2019-12-07 12:21:19,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:21:19,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270868721] [2019-12-07 12:21:19,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:21:19,248 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:21:19,250 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:21:19,264 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 12:21:19,264 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:21:19,275 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 12:21:19,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270868721] [2019-12-07 12:21:19,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:21:19,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:21:19,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717487419] [2019-12-07 12:21:19,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:21:19,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:21:19,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:21:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:21:19,278 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 4 states. [2019-12-07 12:21:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:21:19,293 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-12-07 12:21:19,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:21:19,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 12:21:19,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:21:19,295 INFO L225 Difference]: With dead ends: 107 [2019-12-07 12:21:19,295 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 12:21:19,296 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:21:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 12:21:19,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 12:21:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 12:21:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 12:21:19,303 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-12-07 12:21:19,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:21:19,303 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 12:21:19,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:21:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 12:21:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:21:19,304 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:21:19,304 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:21:19,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:21:19,506 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:21:19,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:21:19,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2019-12-07 12:21:19,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:21:19,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962177362] [2019-12-07 12:21:19,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:21:19,699 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:21:19,701 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:21:19,710 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 12:21:19,711 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:21:19,721 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 12:21:19,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962177362] [2019-12-07 12:21:19,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:21:19,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:21:19,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762425389] [2019-12-07 12:21:19,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:21:19,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:21:19,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:21:19,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:21:19,724 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 4 states. [2019-12-07 12:21:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:21:19,743 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 12:21:19,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:21:19,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 12:21:19,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:21:19,745 INFO L225 Difference]: With dead ends: 151 [2019-12-07 12:21:19,745 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 12:21:19,746 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:21:19,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 12:21:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2019-12-07 12:21:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 12:21:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2019-12-07 12:21:19,757 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2019-12-07 12:21:19,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:21:19,757 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2019-12-07 12:21:19,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:21:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2019-12-07 12:21:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:21:19,758 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:21:19,759 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 12:21:19,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:21:19,960 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:21:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:21:19,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2019-12-07 12:21:19,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:21:19,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92803740] [2019-12-07 12:21:19,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:21:20,174 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:21:20,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:21:20,191 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 12:21:20,191 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:21:20,199 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 12:21:20,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92803740] [2019-12-07 12:21:20,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:21:20,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 12:21:20,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512590348] [2019-12-07 12:21:20,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:21:20,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:21:20,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:21:20,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:21:20,201 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2019-12-07 12:21:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:21:20,292 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2019-12-07 12:21:20,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:21:20,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 12:21:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:21:20,294 INFO L225 Difference]: With dead ends: 314 [2019-12-07 12:21:20,294 INFO L226 Difference]: Without dead ends: 254 [2019-12-07 12:21:20,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 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 12:21:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-07 12:21:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2019-12-07 12:21:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 12:21:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-12-07 12:21:20,308 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2019-12-07 12:21:20,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:21:20,309 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-12-07 12:21:20,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:21:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-12-07 12:21:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 12:21:20,310 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:21:20,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:21:20,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:21:20,512 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:21:20,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:21:20,513 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2019-12-07 12:21:20,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:21:20,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606072047] [2019-12-07 12:21:20,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/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 12:21:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:21:20,651 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:21:20,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:21:20,665 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 12:21:20,665 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:21:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:21:20,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606072047] [2019-12-07 12:21:20,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:21:20,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:21:20,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983847396] [2019-12-07 12:21:20,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:21:20,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:21:20,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:21:20,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:21:20,671 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2019-12-07 12:21:20,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:21:20,764 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2019-12-07 12:21:20,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:21:20,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 12:21:20,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:21:20,765 INFO L225 Difference]: With dead ends: 315 [2019-12-07 12:21:20,765 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:21:20,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 12:21:20,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:21:20,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:21:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:21:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:21:20,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-07 12:21:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:21:20,768 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:21:20,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:21:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:21:20,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:21:20,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:21:20,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:21:21,227 INFO L246 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2019-12-07 12:21:21,227 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,227 INFO L246 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,227 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,227 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 12:21:21,227 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 186) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L242 CegarLoopResult]: At program point L137(lines 136 155) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L137-1(lines 137 143) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L242 CegarLoopResult]: At program point L137-2(lines 136 155) the Hoare annotation is: false [2019-12-07 12:21:21,228 INFO L242 CegarLoopResult]: At program point L137-3(lines 136 155) the Hoare annotation is: false [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2019-12-07 12:21:21,228 INFO L246 CegarLoopResult]: For program point L765(lines 765 775) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L798-1(lines 137 143) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L765-2(lines 765 775) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L765-4(lines 765 775) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L766(lines 766 772) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L766-2(lines 766 772) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L766-4(lines 766 772) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L242 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,229 INFO L242 CegarLoopResult]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,229 INFO L246 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2019-12-07 12:21:21,229 INFO L242 CegarLoopResult]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2019-12-07 12:21:21,230 INFO L242 CegarLoopResult]: At program point L965-3(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,230 INFO L242 CegarLoopResult]: At program point L965-4(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,230 INFO L249 CegarLoopResult]: At program point L866-1(lines 866 873) the Hoare annotation is: true [2019-12-07 12:21:21,230 INFO L242 CegarLoopResult]: At program point L965-5(lines 960 968) the Hoare annotation is: false [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L173-3(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,230 INFO L246 CegarLoopResult]: For program point L173-4(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,231 INFO L246 CegarLoopResult]: For program point L173-5(lines 173 181) no Hoare annotation was computed. [2019-12-07 12:21:21,231 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 12:21:21,231 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,231 INFO L242 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:21:21,231 INFO L242 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,231 INFO L242 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: false [2019-12-07 12:21:21,231 INFO L242 CegarLoopResult]: At program point L144-2(lines 144 150) the Hoare annotation is: false [2019-12-07 12:21:21,232 INFO L249 CegarLoopResult]: At program point L875(lines 856 878) the Hoare annotation is: true [2019-12-07 12:21:21,232 INFO L242 CegarLoopResult]: At program point L842(lines 838 844) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314-3(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314-5(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314-6(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L314-8(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,232 INFO L246 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-9(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-11(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-12(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-14(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-15(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L314-17(lines 314 318) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:21:21,233 INFO L242 CegarLoopResult]: At program point L320(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L320-1(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L320-2(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L320-3(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L320-4(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L320-5(lines 305 323) the Hoare annotation is: false [2019-12-07 12:21:21,234 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 12:21:21,234 INFO L242 CegarLoopResult]: At program point L750(lines 745 752) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:21:21,234 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 12:21:21,234 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:21:21,235 INFO L242 CegarLoopResult]: At program point L256(lines 249 259) the Hoare annotation is: false [2019-12-07 12:21:21,235 INFO L242 CegarLoopResult]: At program point L256-1(lines 249 259) the Hoare annotation is: false [2019-12-07 12:21:21,235 INFO L242 CegarLoopResult]: At program point L256-2(lines 249 259) the Hoare annotation is: false [2019-12-07 12:21:21,235 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 12:21:21,235 INFO L242 CegarLoopResult]: At program point L91-1(lines 137 143) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:21:21,235 INFO L246 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-12-07 12:21:21,235 INFO L246 CegarLoopResult]: For program point L887-3(lines 887 891) no Hoare annotation was computed. [2019-12-07 12:21:21,235 INFO L246 CegarLoopResult]: For program point L887-6(lines 887 891) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L195(lines 195 212) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L195-1(lines 195 212) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L195-2(lines 195 212) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L242 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,236 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:21:21,236 INFO L242 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: false [2019-12-07 12:21:21,236 INFO L242 CegarLoopResult]: At program point L924-1(lines 919 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L924-2(lines 919 927) the Hoare annotation is: false [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L924-3(lines 919 927) the Hoare annotation is: false [2019-12-07 12:21:21,237 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L924-4(lines 919 927) the Hoare annotation is: false [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L924-5(lines 919 927) the Hoare annotation is: false [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L265(lines 260 268) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L265-1(lines 260 268) the Hoare annotation is: false [2019-12-07 12:21:21,237 INFO L246 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2019-12-07 12:21:21,237 INFO L242 CegarLoopResult]: At program point L265-2(lines 260 268) the Hoare annotation is: false [2019-12-07 12:21:21,238 INFO L246 CegarLoopResult]: For program point L199-1(lines 199 207) no Hoare annotation was computed. [2019-12-07 12:21:21,238 INFO L246 CegarLoopResult]: For program point L199-2(lines 199 207) no Hoare annotation was computed. [2019-12-07 12:21:21,238 INFO L246 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2019-12-07 12:21:21,238 INFO L242 CegarLoopResult]: At program point L761-1(lines 1 968) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:21:21,238 INFO L242 CegarLoopResult]: At program point L794-2(lines 794 808) the Hoare annotation is: false [2019-12-07 12:21:21,238 INFO L246 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2019-12-07 12:21:21,238 INFO L242 CegarLoopResult]: At program point L761-3(lines 1 968) the Hoare annotation is: false [2019-12-07 12:21:21,238 INFO L246 CegarLoopResult]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2019-12-07 12:21:21,238 INFO L242 CegarLoopResult]: At program point L761-5(lines 1 968) the Hoare annotation is: false [2019-12-07 12:21:21,239 INFO L242 CegarLoopResult]: At program point L365(lines 1 968) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:21:21,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:21:21 BoogieIcfgContainer [2019-12-07 12:21:21,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:21:21,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:21:21,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:21:21,255 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:21:21,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:21:18" (3/4) ... [2019-12-07 12:21:21,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:21:21,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:21:21,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:21:21,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:21:21,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:21:21,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:21:21,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:21:21,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:21:21,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 12:21:21,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2bf8a23-82a4-4b76-b061-efee648391d9/bin/utaipan/witness.graphml [2019-12-07 12:21:21,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:21:21,353 INFO L168 Benchmark]: Toolchain (without parser) took 3804.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -200.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:21:21,353 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 12:21:21,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:21,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:21:21,354 INFO L168 Benchmark]: Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:21,354 INFO L168 Benchmark]: RCFGBuilder took 579.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:21,354 INFO L168 Benchmark]: TraceAbstraction took 2652.81 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -161.4 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:21,355 INFO L168 Benchmark]: Witness Printer took 96.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:21:21,356 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 390.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 579.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2652.81 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -161.4 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. * Witness Printer took 96.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 116]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 116]: 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: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 451 SDtfs, 524 SDslu, 493 SDs, 0 SdLazy, 71 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 146 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...