./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ....................................................................................................................................... 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_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:59:20,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:20,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:20,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:20,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:20,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:20,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:20,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:20,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:20,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:20,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:20,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:20,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:20,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:20,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:20,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:20,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:20,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:20,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:20,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:20,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:20,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:20,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:20,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:20,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:20,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:20,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:20,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:20,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:20,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:20,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:20,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:20,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:20,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:20,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:20,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:20,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:20,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:20,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:20,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:20,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:20,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:59:20,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:20,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:20,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:59:20,248 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:59:20,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:59:20,248 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:59:20,249 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:59:20,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:59:20,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:59:20,250 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:59:20,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:20,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:20,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:20,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:20,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:20,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:20,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:20,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:20,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:20,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:20,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:59:20,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:59:20,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:20,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:20,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:59:20,254 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_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-12-07 12:59:20,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:20,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:20,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:20,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:20,365 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:20,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-12-07 12:59:20,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/f00d3a29b/3c8716ca6b3c4a5d992117983e99a7fe/FLAG47a479c10 [2019-12-07 12:59:20,862 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:20,863 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-12-07 12:59:20,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/f00d3a29b/3c8716ca6b3c4a5d992117983e99a7fe/FLAG47a479c10 [2019-12-07 12:59:20,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/f00d3a29b/3c8716ca6b3c4a5d992117983e99a7fe [2019-12-07 12:59:20,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:20,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:20,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:20,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:20,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:20,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:20" (1/1) ... [2019-12-07 12:59:20,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283a8e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:20, skipping insertion in model container [2019-12-07 12:59:20,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:20" (1/1) ... [2019-12-07 12:59:20,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:20,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:21,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:21,135 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 12:59:21,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@294d63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:21, skipping insertion in model container [2019-12-07 12:59:21,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:21,136 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:59:21,138 INFO L168 Benchmark]: Toolchain (without parser) took 254.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:21,139 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:21,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:21,140 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 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 496]: 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 12:59:22,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:22,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:22,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:22,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:22,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:22,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:22,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:22,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:22,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:22,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:22,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:22,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:22,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:22,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:22,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:22,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:22,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:22,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:22,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:22,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:22,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:22,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:22,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:22,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:22,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:22,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:22,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:22,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:22,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:22,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:22,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:22,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:22,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:22,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:22,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:22,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:22,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:22,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:22,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:22,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:22,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:59:22,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:22,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:22,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:59:22,358 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:59:22,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:59:22,358 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:59:22,358 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:59:22,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:59:22,359 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:59:22,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:22,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:22,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:59:22,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:22,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:59:22,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:22,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:59:22,362 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:59:22,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:22,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:22,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:59:22,363 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_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-12-07 12:59:22,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:22,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:22,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:22,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:22,535 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:22,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-12-07 12:59:22,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/dbe56fd5c/ec716e6ed42d4673a4030c8fa22ace03/FLAGe69e7160c [2019-12-07 12:59:23,048 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:23,048 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-12-07 12:59:23,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/dbe56fd5c/ec716e6ed42d4673a4030c8fa22ace03/FLAGe69e7160c [2019-12-07 12:59:23,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/data/dbe56fd5c/ec716e6ed42d4673a4030c8fa22ace03 [2019-12-07 12:59:23,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:23,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:23,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:23,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:23,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:23,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23, skipping insertion in model container [2019-12-07 12:59:23,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:23,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:23,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:23,373 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:59:23,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:23,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:23,428 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:59:23,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:23,487 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:59:23,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23 WrapperNode [2019-12-07 12:59:23,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:23,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:23,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:59:23,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:59:23,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:23,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:59:23,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:59:23,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:59:23,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... [2019-12-07 12:59:23,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:59:23,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:59:23,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:59:23,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:59:23,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:59:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:59:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:59:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:59:23,993 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:59:23,993 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 12:59:23,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:23 BoogieIcfgContainer [2019-12-07 12:59:23,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:59:23,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:59:23,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:59:23,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:59:23,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:23" (1/3) ... [2019-12-07 12:59:23,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b698564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:23, skipping insertion in model container [2019-12-07 12:59:23,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:23" (2/3) ... [2019-12-07 12:59:23,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b698564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:23, skipping insertion in model container [2019-12-07 12:59:23,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:23" (3/3) ... [2019-12-07 12:59:23,999 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-12-07 12:59:24,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:59:24,010 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:59:24,018 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:59:24,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:59:24,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:59:24,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:59:24,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:59:24,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:59:24,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:59:24,034 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:59:24,034 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:59:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-12-07 12:59:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:59:24,049 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:24,049 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:24,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:24,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:24,054 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2019-12-07 12:59:24,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:24,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249971458] [2019-12-07 12:59:24,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:24,222 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:59:24,225 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:24,236 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 12:59:24,236 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:24,240 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 12:59:24,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249971458] [2019-12-07 12:59:24,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:24,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:59:24,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080078374] [2019-12-07 12:59:24,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:59:24,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:24,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:59:24,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:59:24,260 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-12-07 12:59:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:24,276 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-12-07 12:59:24,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:59:24,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:59:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:24,285 INFO L225 Difference]: With dead ends: 112 [2019-12-07 12:59:24,286 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 12:59:24,288 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:59:24,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 12:59:24,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 12:59:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 12:59:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-12-07 12:59:24,322 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-12-07 12:59:24,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:24,322 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-12-07 12:59:24,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:59:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-12-07 12:59:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:59:24,323 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:24,323 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:24,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:59:24,525 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:24,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:24,525 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2019-12-07 12:59:24,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:24,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273188761] [2019-12-07 12:59:24,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:24,714 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:59:24,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:24,729 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 12:59:24,729 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:24,737 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 12:59:24,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273188761] [2019-12-07 12:59:24,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:24,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:59:24,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235294414] [2019-12-07 12:59:24,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:59:24,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:24,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:59:24,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:59:24,740 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2019-12-07 12:59:24,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:24,750 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-12-07 12:59:24,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:59:24,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 12:59:24,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:24,752 INFO L225 Difference]: With dead ends: 55 [2019-12-07 12:59:24,752 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 12:59:24,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:59:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 12:59:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 12:59:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 12:59:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 12:59:24,757 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-12-07 12:59:24,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:24,758 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 12:59:24,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:59:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 12:59:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:59:24,759 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:24,759 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] [2019-12-07 12:59:24,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:59:24,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:24,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2019-12-07 12:59:24,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:24,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587749000] [2019-12-07 12:59:24,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:25,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:59:25,163 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:25,170 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 12:59:25,170 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:25,176 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 12:59:25,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587749000] [2019-12-07 12:59:25,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:25,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:59:25,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4123025] [2019-12-07 12:59:25,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:59:25,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:25,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:59:25,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:59:25,178 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2019-12-07 12:59:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:25,223 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-12-07 12:59:25,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:59:25,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 12:59:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:25,226 INFO L225 Difference]: With dead ends: 98 [2019-12-07 12:59:25,226 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 12:59:25,226 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:59:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 12:59:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-12-07 12:59:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-12-07 12:59:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-12-07 12:59:25,237 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-12-07 12:59:25,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:25,237 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-12-07 12:59:25,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:59:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-12-07 12:59:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:59:25,238 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:25,239 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:25,439 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:59:25,439 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:25,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:25,440 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2019-12-07 12:59:25,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:25,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551610640] [2019-12-07 12:59:25,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:25,603 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:59:25,604 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:25,619 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 12:59:25,619 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:25,644 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 12:59:25,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551610640] [2019-12-07 12:59:25,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:25,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 12:59:25,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787185101] [2019-12-07 12:59:25,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:59:25,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:25,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:59:25,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:59:25,646 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2019-12-07 12:59:25,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:25,816 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2019-12-07 12:59:25,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 12:59:25,817 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 12:59:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:25,819 INFO L225 Difference]: With dead ends: 307 [2019-12-07 12:59:25,819 INFO L226 Difference]: Without dead ends: 265 [2019-12-07 12:59:25,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 12:59:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-12-07 12:59:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2019-12-07 12:59:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-12-07 12:59:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2019-12-07 12:59:25,836 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2019-12-07 12:59:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:25,836 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2019-12-07 12:59:25,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:59:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2019-12-07 12:59:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 12:59:25,838 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:25,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:26,038 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:59:26,039 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:26,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:26,039 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2019-12-07 12:59:26,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:26,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454108672] [2019-12-07 12:59:26,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/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 12:59:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:26,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:59:26,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:26,198 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 12:59:26,198 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:26,200 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 12:59:26,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454108672] [2019-12-07 12:59:26,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:26,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:59:26,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587583189] [2019-12-07 12:59:26,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:59:26,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:26,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:59:26,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:59:26,201 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2019-12-07 12:59:26,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:26,214 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2019-12-07 12:59:26,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:59:26,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 12:59:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:26,215 INFO L225 Difference]: With dead ends: 224 [2019-12-07 12:59:26,215 INFO L226 Difference]: Without dead ends: 112 [2019-12-07 12:59:26,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:59:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-12-07 12:59:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-12-07 12:59:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 12:59:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-12-07 12:59:26,231 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2019-12-07 12:59:26,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:26,231 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-12-07 12:59:26,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:59:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-12-07 12:59:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 12:59:26,233 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:26,233 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:26,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:59:26,435 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:26,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:26,435 INFO L82 PathProgramCache]: Analyzing trace with hash -699051511, now seen corresponding path program 1 times [2019-12-07 12:59:26,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:59:26,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744390910] [2019-12-07 12:59:26,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 12:59:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:26,561 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:59:26,563 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:26,576 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:26,601 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744390910] [2019-12-07 12:59:26,601 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [772260128] [2019-12-07 12:59:26,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:59:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:26,708 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:59:26,710 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 12:59:26,734 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 12:59:26,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:59:26,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 12:59:26,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9704261] [2019-12-07 12:59:26,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:59:26,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:26,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:59:26,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:59:26,738 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2019-12-07 12:59:26,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:26,808 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2019-12-07 12:59:26,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:59:26,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 12:59:26,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:26,809 INFO L225 Difference]: With dead ends: 228 [2019-12-07 12:59:26,809 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:59:26,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:59:26,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:59:26,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:59:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:59:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:59:26,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 12:59:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:26,811 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:59:26,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:59:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:59:26,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:59:27,212 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:59:27,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:59:27,443 INFO L242 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,443 INFO L242 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2019-12-07 12:59:27,443 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,443 INFO L242 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2019-12-07 12:59:27,443 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 12:59:27,443 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:59:27,444 INFO L242 CegarLoopResult]: At program point L335(lines 330 338) 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 12:59:27,444 INFO L242 CegarLoopResult]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2019-12-07 12:59:27,444 INFO L242 CegarLoopResult]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2019-12-07 12:59:27,444 INFO L246 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L242 CegarLoopResult]: At program point L419-1(lines 419 425) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,444 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L246 CegarLoopResult]: For program point L56-1(lines 276 282) no Hoare annotation was computed. [2019-12-07 12:59:27,444 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L242 CegarLoopResult]: At program point L851-1(lines 1 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L851-2(lines 851 864) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L242 CegarLoopResult]: At program point L851-3(lines 1 867) the Hoare annotation is: false [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L851-4(lines 851 864) no Hoare annotation was computed. [2019-12-07 12:59:27,445 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:59:27,445 INFO L242 CegarLoopResult]: At program point L851-5(lines 1 867) the Hoare annotation is: false [2019-12-07 12:59:27,445 INFO L246 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L258(lines 253 261) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2019-12-07 12:59:27,446 INFO L242 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point L838-2(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,446 INFO L246 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L242 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: false [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L213(lines 213 217) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2019-12-07 12:59:27,447 INFO L242 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,447 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-12-07 12:59:27,448 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-12-07 12:59:27,448 INFO L242 CegarLoopResult]: At program point L429-1(lines 429 435) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,448 INFO L242 CegarLoopResult]: At program point L166(lines 1 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:59:27,448 INFO L246 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2019-12-07 12:59:27,448 INFO L242 CegarLoopResult]: At program point L447-1(lines 276 282) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:59:27,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:59:27 BoogieIcfgContainer [2019-12-07 12:59:27,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:59:27,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:59:27,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:59:27,461 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:59:27,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:23" (3/4) ... [2019-12-07 12:59:27,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:59:27,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:59:27,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:59:27,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:59:27,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:59:27,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:59:27,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:59:27,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:59:27,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 12:59:27,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0cd41d6f-dea3-4dc2-8eca-b4bd2ae29cb5/bin/utaipan/witness.graphml [2019-12-07 12:59:27,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:59:27,522 INFO L168 Benchmark]: Toolchain (without parser) took 4447.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:27,522 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 12:59:27,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:27,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:27,523 INFO L168 Benchmark]: Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:27,523 INFO L168 Benchmark]: RCFGBuilder took 440.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:27,523 INFO L168 Benchmark]: TraceAbstraction took 3465.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:27,523 INFO L168 Benchmark]: Witness Printer took 60.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:27,525 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 413.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3465.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 60.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: 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: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 298 SDtfs, 518 SDslu, 437 SDs, 0 SdLazy, 93 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 122 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 20768 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 46/56 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...