./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 40fed9ba382e53b697a1093810870166e2d037a9 ...................................................................................................................................... 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_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 40fed9ba382e53b697a1093810870166e2d037a9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:02:20,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:02:20,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:02:20,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:02:20,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:02:20,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:02:20,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:02:20,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:02:20,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:02:20,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:02:20,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:02:20,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:02:20,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:02:20,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:02:20,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:02:20,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:02:20,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:02:20,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:02:20,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:02:20,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:02:20,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:02:20,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:02:20,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:02:20,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:02:20,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:02:20,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:02:20,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:02:20,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:02:20,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:02:20,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:02:20,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:02:20,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:02:20,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:02:20,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:02:20,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:02:20,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:02:20,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:02:20,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:02:20,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:02:20,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:02:20,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:02:20,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:02:20,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:02:20,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:02:20,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:02:20,349 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:02:20,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:02:20,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:02:20,351 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:02:20,351 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:02:20,351 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:02:20,351 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:02:20,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:02:20,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:02:20,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:02:20,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:02:20,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:02:20,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:02:20,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:02:20,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:02:20,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:02:20,354 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_b846200a-75b5-483f-9411-7e6c551b8363/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-12-07 15:02:20,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:02:20,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:02:20,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:02:20,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:02:20,467 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:02:20,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 15:02:20,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/0f333b71e/d2906dc3405546fd807cccb80de26c77/FLAG10422858e [2019-12-07 15:02:20,939 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:02:20,939 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 15:02:20,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/0f333b71e/d2906dc3405546fd807cccb80de26c77/FLAG10422858e [2019-12-07 15:02:20,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/0f333b71e/d2906dc3405546fd807cccb80de26c77 [2019-12-07 15:02:20,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:02:20,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:02:20,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:02:20,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:02:20,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:02:20,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:02:20" (1/1) ... [2019-12-07 15:02:20,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33735268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:20, skipping insertion in model container [2019-12-07 15:02:20,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:02:20" (1/1) ... [2019-12-07 15:02:20,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:02:21,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:02:21,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:02:21,227 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 15:02:21,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fa7a29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:21, skipping insertion in model container [2019-12-07 15:02:21,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:02:21,228 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:02:21,230 INFO L168 Benchmark]: Toolchain (without parser) took 270.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:21,230 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:02:21,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:21,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 15:02:22,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:02:22,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:02:22,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:02:22,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:02:22,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:02:22,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:02:22,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:02:22,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:02:22,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:02:22,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:02:22,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:02:22,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:02:22,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:02:22,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:02:22,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:02:22,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:02:22,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:02:22,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:02:22,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:02:22,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:02:22,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:02:22,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:02:22,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:02:22,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:02:22,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:02:22,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:02:22,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:02:22,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:02:22,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:02:22,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:02:22,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:02:22,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:02:22,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:02:22,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:02:22,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:02:22,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:02:22,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:02:22,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:02:22,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:02:22,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:02:22,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:02:22,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:02:22,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:02:22,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:02:22,416 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:02:22,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:02:22,416 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:02:22,416 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:02:22,416 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:02:22,417 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:02:22,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:02:22,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:02:22,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:02:22,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:02:22,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:02:22,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:02:22,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:02:22,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:02:22,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:02:22,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:02:22,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:02:22,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:02:22,420 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:02:22,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:02:22,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:02:22,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:02:22,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:02:22,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:02:22,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:02:22,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:02:22,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:02:22,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:02:22,421 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:02:22,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:02:22,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:02:22,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:02:22,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:02:22,422 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_b846200a-75b5-483f-9411-7e6c551b8363/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-12-07 15:02:22,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:02:22,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:02:22,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:02:22,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:02:22,603 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:02:22,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 15:02:22,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/621ad00cc/7c731ca5ceb84ee2a2de4723ea4adcae/FLAGf101bdc91 [2019-12-07 15:02:23,107 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:02:23,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 15:02:23,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/621ad00cc/7c731ca5ceb84ee2a2de4723ea4adcae/FLAGf101bdc91 [2019-12-07 15:02:23,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/data/621ad00cc/7c731ca5ceb84ee2a2de4723ea4adcae [2019-12-07 15:02:23,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:02:23,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:02:23,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:02:23,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:02:23,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:02:23,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,132 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 03:02:23, skipping insertion in model container [2019-12-07 15:02:23,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:02:23,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:02:23,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:02:23,382 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:02:23,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:02:23,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:02:23,429 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:02:23,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:02:23,488 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:02:23,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23 WrapperNode [2019-12-07 15:02:23,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:02:23,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:02:23,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:02:23,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:02:23,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:02:23,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:02:23,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:02:23,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:02:23,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... [2019-12-07 15:02:23,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:02:23,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:02:23,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:02:23,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:02:23,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:02:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:02:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:02:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:02:24,118 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:02:24,119 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-12-07 15:02:24,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:02:24 BoogieIcfgContainer [2019-12-07 15:02:24,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:02:24,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:02:24,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:02:24,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:02:24,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:02:23" (1/3) ... [2019-12-07 15:02:24,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bb8fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:02:24, skipping insertion in model container [2019-12-07 15:02:24,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:02:23" (2/3) ... [2019-12-07 15:02:24,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bb8fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:02:24, skipping insertion in model container [2019-12-07 15:02:24,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:02:24" (3/3) ... [2019-12-07 15:02:24,127 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2019-12-07 15:02:24,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:02:24,139 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:02:24,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:02:24,166 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:02:24,166 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:02:24,167 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:02:24,167 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:02:24,167 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:02:24,167 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:02:24,167 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:02:24,167 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:02:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-12-07 15:02:24,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:02:24,185 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:02:24,186 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:02:24,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:02:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:02:24,190 INFO L82 PathProgramCache]: Analyzing trace with hash -509663600, now seen corresponding path program 1 times [2019-12-07 15:02:24,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:02:24,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465765352] [2019-12-07 15:02:24,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:02:24,336 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:02:24,340 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:02:24,350 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 15:02:24,350 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:02:24,354 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 15:02:24,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465765352] [2019-12-07 15:02:24,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:02:24,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:02:24,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817015926] [2019-12-07 15:02:24,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:02:24,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:02:24,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:02:24,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:02:24,369 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-12-07 15:02:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:02:24,390 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-12-07 15:02:24,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:02:24,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 15:02:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:02:24,399 INFO L225 Difference]: With dead ends: 211 [2019-12-07 15:02:24,400 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 15:02:24,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:02:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 15:02:24,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-12-07 15:02:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 15:02:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-12-07 15:02:24,432 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-12-07 15:02:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:02:24,433 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-12-07 15:02:24,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:02:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-12-07 15:02:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:02:24,434 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:02:24,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:02:24,634 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:02:24,635 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:02:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:02:24,636 INFO L82 PathProgramCache]: Analyzing trace with hash -890511133, now seen corresponding path program 1 times [2019-12-07 15:02:24,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:02:24,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72155603] [2019-12-07 15:02:24,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:02:24,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:02:24,905 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:02:24,918 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 15:02:24,918 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:02:24,928 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 15:02:24,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72155603] [2019-12-07 15:02:24,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:02:24,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:02:24,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237355490] [2019-12-07 15:02:24,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:02:24,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:02:24,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:02:24,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:02:24,930 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 4 states. [2019-12-07 15:02:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:02:24,944 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-12-07 15:02:24,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:02:24,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 15:02:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:02:24,946 INFO L225 Difference]: With dead ends: 105 [2019-12-07 15:02:24,946 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 15:02:24,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:02:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 15:02:24,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 15:02:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 15:02:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 15:02:24,954 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-12-07 15:02:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:02:24,954 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 15:02:24,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:02:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 15:02:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:02:24,955 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:02:24,955 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:02:25,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:02:25,156 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:02:25,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:02:25,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2019-12-07 15:02:25,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:02:25,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115801099] [2019-12-07 15:02:25,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:02:25,285 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:02:25,286 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:02:25,293 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 15:02:25,293 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:02:25,299 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 15:02:25,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115801099] [2019-12-07 15:02:25,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:02:25,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:02:25,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115831345] [2019-12-07 15:02:25,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:02:25,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:02:25,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:02:25,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:02:25,301 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2019-12-07 15:02:25,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:02:25,346 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-12-07 15:02:25,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:02:25,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 15:02:25,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:02:25,347 INFO L225 Difference]: With dead ends: 83 [2019-12-07 15:02:25,348 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 15:02:25,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:02:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 15:02:25,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 15:02:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 15:02:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-12-07 15:02:25,353 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-12-07 15:02:25,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:02:25,353 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-12-07 15:02:25,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:02:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-12-07 15:02:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:02:25,354 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:02:25,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:02:25,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:02:25,556 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:02:25,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:02:25,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2019-12-07 15:02:25,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:02:25,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549835837] [2019-12-07 15:02:25,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:02:25,668 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:02:25,669 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:02:25,684 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 15:02:25,685 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:02:25,692 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 15:02:25,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549835837] [2019-12-07 15:02:25,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:02:25,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 15:02:25,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235401784] [2019-12-07 15:02:25,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:02:25,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:02:25,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:02:25,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:02:25,694 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-12-07 15:02:25,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:02:25,793 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-12-07 15:02:25,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:02:25,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 15:02:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:02:25,795 INFO L225 Difference]: With dead ends: 207 [2019-12-07 15:02:25,795 INFO L226 Difference]: Without dead ends: 169 [2019-12-07 15:02:25,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:02:25,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-12-07 15:02:25,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-12-07 15:02:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 15:02:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-12-07 15:02:25,810 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-12-07 15:02:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:02:25,811 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-12-07 15:02:25,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:02:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-12-07 15:02:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 15:02:25,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:02:25,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:02:26,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:02:26,013 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:02:26,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:02:26,014 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2019-12-07 15:02:26,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:02:26,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193503067] [2019-12-07 15:02:26,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/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 15:02:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:02:26,106 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:02:26,107 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:02:26,118 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 15:02:26,118 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:02:26,121 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 15:02:26,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193503067] [2019-12-07 15:02:26,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:02:26,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:02:26,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111769495] [2019-12-07 15:02:26,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:02:26,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:02:26,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:02:26,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:02:26,122 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-12-07 15:02:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:02:26,194 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-12-07 15:02:26,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:02:26,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 15:02:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:02:26,195 INFO L225 Difference]: With dead ends: 176 [2019-12-07 15:02:26,195 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:02:26,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:02:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:02:26,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:02:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:02:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:02:26,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-07 15:02:26,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:02:26,196 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:02:26,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:02:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:02:26,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:02:26,397 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:02:26,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:02:26,720 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,720 INFO L242 CegarLoopResult]: At program point L630(lines 623 633) the Hoare annotation is: false [2019-12-07 15:02:26,721 INFO L242 CegarLoopResult]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2019-12-07 15:02:26,721 INFO L246 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,721 INFO L242 CegarLoopResult]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2019-12-07 15:02:26,721 INFO L246 CegarLoopResult]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,721 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-12-07 15:02:26,721 INFO L246 CegarLoopResult]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,721 INFO L246 CegarLoopResult]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,721 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-12-07 15:02:26,722 INFO L246 CegarLoopResult]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,722 INFO L246 CegarLoopResult]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2019-12-07 15:02:26,722 INFO L246 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-12-07 15:02:26,722 INFO L246 CegarLoopResult]: For program point L829-3(lines 829 833) no Hoare annotation was computed. [2019-12-07 15:02:26,722 INFO L246 CegarLoopResult]: For program point L829-6(lines 829 833) no Hoare annotation was computed. [2019-12-07 15:02:26,722 INFO L242 CegarLoopResult]: At program point L765(lines 716 766) the Hoare annotation is: false [2019-12-07 15:02:26,722 INFO L242 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,722 INFO L242 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: false [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L866-1(lines 861 869) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,723 INFO L246 CegarLoopResult]: For program point L800(lines 800 817) no Hoare annotation was computed. [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2019-12-07 15:02:26,723 INFO L242 CegarLoopResult]: At program point L800-1(lines 1 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L866-3(lines 861 869) the Hoare annotation is: false [2019-12-07 15:02:26,724 INFO L246 CegarLoopResult]: For program point L800-2(lines 800 817) no Hoare annotation was computed. [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L866-4(lines 861 869) the Hoare annotation is: false [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L800-3(lines 1 945) the Hoare annotation is: false [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L866-5(lines 861 869) the Hoare annotation is: false [2019-12-07 15:02:26,724 INFO L246 CegarLoopResult]: For program point L800-4(lines 800 817) no Hoare annotation was computed. [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L800-5(lines 1 945) the Hoare annotation is: false [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L934(lines 1 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:02:26,724 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,724 INFO L246 CegarLoopResult]: For program point L737(lines 737 743) no Hoare annotation was computed. [2019-12-07 15:02:26,724 INFO L242 CegarLoopResult]: At program point L737-1(lines 737 743) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L804(lines 804 814) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L804-2(lines 804 814) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L804-4(lines 804 814) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L242 CegarLoopResult]: At program point L639(lines 634 642) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,725 INFO L242 CegarLoopResult]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2019-12-07 15:02:26,725 INFO L242 CegarLoopResult]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2019-12-07 15:02:26,725 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 811) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L246 CegarLoopResult]: For program point L805-4(lines 805 811) no Hoare annotation was computed. [2019-12-07 15:02:26,725 INFO L242 CegarLoopResult]: At program point L907(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L907-1(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L246 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L907-2(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L907-3(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L907-4(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L907-5(lines 902 910) the Hoare annotation is: false [2019-12-07 15:02:26,726 INFO L242 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L778-2(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L718(lines 717 764) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L586(lines 586 603) no Hoare annotation was computed. [2019-12-07 15:02:26,727 INFO L246 CegarLoopResult]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L422-1(lines 528 534) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L853(lines 853 857) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,728 INFO L246 CegarLoopResult]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2019-12-07 15:02:26,729 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:02:26,730 INFO L246 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2019-12-07 15:02:26,730 INFO L242 CegarLoopResult]: At program point L755-2(lines 528 534) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,730 INFO L246 CegarLoopResult]: For program point L590(lines 590 598) no Hoare annotation was computed. [2019-12-07 15:02:26,730 INFO L246 CegarLoopResult]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2019-12-07 15:02:26,730 INFO L246 CegarLoopResult]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2019-12-07 15:02:26,730 INFO L242 CegarLoopResult]: At program point L789(lines 784 791) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:02:26,730 INFO L246 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-12-07 15:02:26,731 INFO L242 CegarLoopResult]: At program point L528(lines 527 546) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,732 INFO L246 CegarLoopResult]: For program point L528-1(lines 528 534) no Hoare annotation was computed. [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L528-2(lines 527 546) the Hoare annotation is: false [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L528-3(lines 527 546) the Hoare annotation is: false [2019-12-07 15:02:26,732 INFO L246 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L727-1(lines 727 733) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L694(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L694-1(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,732 INFO L242 CegarLoopResult]: At program point L694-3(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,733 INFO L242 CegarLoopResult]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,733 INFO L242 CegarLoopResult]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2019-12-07 15:02:26,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:02:26 BoogieIcfgContainer [2019-12-07 15:02:26,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:02:26,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:02:26,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:02:26,750 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:02:26,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:02:24" (3/4) ... [2019-12-07 15:02:26,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:02:26,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:02:26,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:02:26,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:02:26,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:02:26,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:02:26,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:02:26,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:02:26,801 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 15:02:26,858 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b846200a-75b5-483f-9411-7e6c551b8363/bin/utaipan/witness.graphml [2019-12-07 15:02:26,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:02:26,860 INFO L168 Benchmark]: Toolchain (without parser) took 3731.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -218.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:02:26,860 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 15:02:26,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:26,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:26,860 INFO L168 Benchmark]: Boogie Preprocessor took 31.62 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 15:02:26,861 INFO L168 Benchmark]: RCFGBuilder took 553.33 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:26,861 INFO L168 Benchmark]: TraceAbstraction took 2628.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.9 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:26,861 INFO L168 Benchmark]: Witness Printer took 107.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:02:26,862 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 360.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 553.33 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2628.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.9 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. * Witness Printer took 107.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 778]: 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: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 429 SDtfs, 403 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 179 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1367 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 8284 SizeOfPredicates, 8 NumberOfNonLiveVariables, 923 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...